# AlgoVoi Platform

- [Compliance-aware agentic payments](https://docs.algovoi.co.uk/introduction.md): Compliance aware payment infrastructure for agentic commerce: an x402, AP2, A2A and MPP facilitator across seven chains with verifiable audit receipts.
- [Quickstart: your first payment](https://docs.algovoi.co.uk/quickstart.md): Take your first AlgoVoi USDC payment in five minutes: sign up, add a testnet payout address, create a hosted checkout link, confirm settlement on chain.
- [Trial and pricing](https://docs.algovoi.co.uk/trial-and-pricing.md): 60 days free on testnet, then KYC unlocks $1,000 of free mainnet USDC across seven chains, then a flat 0.50% per confirmed payment with volume tiers.
- [Platform schema reference](https://docs.algovoi.co.uk/platform-schema.md): Consolidated schema reference for the AlgoVoi agentic payment platform: data models, API surface, x402, MPP, AP2 and A2A schemas, and the webhook catalog.
- [Agent Payment Module (APM)](https://docs.algovoi.co.uk/platform/apm.md): The AlgoVoi production agentic payment platform: non custodial live rails and Recurr, plus a separate in development custodial mandate runtime.
- [Payment Gateway](https://docs.algovoi.co.uk/platform/gateway.md): AlgoVoi's public payment gateway is the x402, MPP, AP2 and A2A entry point that routes, verifies and enforces compliance on every payment, across chains.
- [Facilitator](https://docs.algovoi.co.uk/platform/facilitator.md): AlgoVoi's stateless on chain x402 facilitator confirms a transaction matches the payment request and returns a verdict only, with no custody and no state.
- [Control Plane](https://docs.algovoi.co.uk/platform/control-plane.md): AlgoVoi's control plane: tenant onboarding, KYC and KYB verification, API key and credential lifecycle, webhook registration, and mandate state.
- [Compliance Engine](https://docs.algovoi.co.uk/platform/compliance-engine.md): AlgoVoi's compliance engine: non bypassable sanctions screening (OFSI, OFAC, EU), KYC identity gating and threat intelligence on every agentic payment.
- [Audit Chain](https://docs.algovoi.co.uk/platform/audit-chain.md): AlgoVoi's tamper evident audit chain: SHA-256 JCS hash chained ledgers on write once storage, with selective disclosure bundles you verify offline.
- [Recurring Payment Engine](https://docs.algovoi.co.uk/platform/recurr-engine.md): Two tier recurring payment execution: MPP subscription invoicing and standing authority pull payments, with a customer self serve portal. All seven chains.
- [Merchant Dashboard](https://docs.algovoi.co.uk/platform/dashboard.md): The AlgoVoi operator and merchant dashboard: payment analytics, tenant management, risk monitoring, subscription tracking and compliance controls.
- [Agent Trust Bench](https://docs.algovoi.co.uk/agent-trust-bench.md): Open agentic payment security test suite: run 187 adversarial x402 profiles against your AI agent. Free, provider neutral, no AlgoVoi account required.
- [On-Premise Deployment](https://docs.algovoi.co.uk/on-premise.md): Run the full AlgoVoi payment stack on your own infrastructure: a self contained Docker Compose stack with no dependency on AlgoVoi hosted services.
- [Architecture](https://docs.algovoi.co.uk/concepts/architecture.md): AlgoVoi's four tier topology: Cloudflare, the cloud edge, gateway and stateless facilitator, plus chain RPCs, price oracle and encryption at rest design.
- [Chains overview](https://docs.algovoi.co.uk/concepts/chains-overview.md): AlgoVoi's supported chains compared: stablecoins, confirmation times, fees, and the memo, reference pubkey and amount only binding mechanisms. Seven live today; Arc (Circle's USDC-native L1) settling from September 2026.
- [KYC and mainnet](https://docs.algovoi.co.uk/concepts/kyc-and-mainnet.md): KYC and mainnet: identity verification gates live USDC payments, runs sanctions screening, and unlocks the $1,000 free mainnet allowance on seven chains.
- [Payment links](https://docs.algovoi.co.uk/concepts/payment-links.md): Payment links create short lived hosted checkout URLs so customers pay in USDC by wallet or QR, for humans where x402 agent payment is too low level.
- [Recurring payments](https://docs.algovoi.co.uk/concepts/recurring.md): Three recurring payment models on AlgoVoi: invoice subscriptions (Recurr), agent native standing authority (MPP), and fiat funded agent mandates (APM).
- [Agentic Payment Mandates (APM)](https://docs.algovoi.co.uk/concepts/mandates.md): Fiat funded JWT spending authority (in development): a human authorises a GBP cap once, the agent pays autonomously, AlgoVoi settles merchants in crypto.
- [xChain payments](https://docs.algovoi.co.uk/concepts/xchain.md): Let MetaMask users pay AlgoVoi checkouts with no destination chain wallet. Algorand, Solana and Stellar live, routed via Circle CCTP V2 or Allbridge Core.
- [Notifications](https://docs.algovoi.co.uk/concepts/notifications.md): Slack, Discord, Teams, Telegram, Mattermost, Rocket.Chat, Google Chat, Zulip, generic webhook. Same retry stack behind every destination.
- [The Keystone](https://docs.algovoi.co.uk/keystone.md): The AlgoVoi Keystone is the agentic payment trust chain, byte verifiable end to end: identity, authority, policy, decision, execution and verdict.
- [The Keystone SDK](https://docs.algovoi.co.uk/keystone-sdk.md): algovoi-keystone is the umbrella install: the connector builder, the agentic behaviour layer and the keystone command line in one place. Apache 2.0.
- [The Keystone, proven on-chain](https://docs.algovoi.co.uk/keystone-proof.md): The Keystone trust chain bound to real settlements on seven public testnets across x402, MPP, AP2 and A2A, every reference recomputable offline.
- [Keystone Connectors](https://docs.algovoi.co.uk/keystone-connectors.md): Keystone connectors bind a real data layer operation, such as a database write or an HTTP request, to the keystone decision that authorised it.
- [Build and test a Keystone bolt-on](https://docs.algovoi.co.uk/keystone-connect.md): algovoi-keystone-connect is an open toolkit for Keystone bolt-ons: build a data layer connector in about twelve lines, and verify any bolt-on offline.
- [Rules, behaviours and triggers](https://docs.algovoi.co.uk/keystone-agent.md): algovoi-keystone-agent is the behaviour layer for Keystone: declare rules and triggers as small specs, and gate any keystone-connect write before commit.
- [Runtime and journal](https://docs.algovoi.co.uk/keystone-runtime.md): algovoi-keystone-runtime runs a Keystone chain and persists every emitted reference to a queryable, tamper evident SQLite journal that recomputes offline.
- [Publishing a Keystone bolt-on](https://docs.algovoi.co.uk/publishing-bolt-ons.md): Take a Keystone bolt-on from scaffold to a published, installable package: build the wheel, publish to PyPI or a private index, confirm auto discovery.
- [Substrate 2](https://docs.algovoi.co.uk/substrate-2.md): Commercial AlgoVoi substrate and self hosted payments suite: the agentic payment gateway, post quantum evidence core, Command Center and Records Vault.
- [Substrate 2 Addons](https://docs.algovoi.co.uk/substrate-2-addons.md): Bolt additional services onto the Substrate 2 control plane. Any service with a health endpoint joins with two environment variables and self registers.
- [Ports and interfaces](https://docs.algovoi.co.uk/substrate-2-ports.md): Default ports and HTTP interfaces for every service in the AlgoVoi on-prem suite. Every port is overridable and no two defaults collide.
- [Retention Chain Substrate](https://docs.algovoi.co.uk/retention-chain-substrate.md): Self verifiable audit chain linking payment receipts with no external infrastructure. Cross validated in eight languages. Satisfies MiCA 80 and DORA 14.
- [Policy Binding](https://docs.algovoi.co.uk/policy-binding.md): Additive policy snapshot binding over a frozen subject reference: proves which ruleset version was in force when a record was sealed. Apache 2.0.
- [execution_ref](https://docs.algovoi.co.uk/execution-ref.md): Decision bound execution evidence over the AlgoVoi substrate: binds an executed agent action to the exact decision that authorised it. RFC 8785, SHA-256.
- [Substrate Guard (lite)](https://docs.algovoi.co.uk/substrate-guard.md): Deterministic input bounds and DoS hardening for the JCS substrate: runs before canonicalization and fails closed on resource hostile payloads. Apache 2.0.
- [Crypto-Agility](https://docs.algovoi.co.uk/crypto-agility.md): Migrate a signing and encryption estate from classical to post quantum with provable continuity: classify keys, hybrid sign, re-attest evidence forward.
- [Agent Passport](https://docs.algovoi.co.uk/agent-passport.md): Issue post quantum trust credentials to AI agents, verify them offline before granting spend authority, and revoke them instantly. Commercial OEM SDK.
- [Agent Passport (lite)](https://docs.algovoi.co.uk/agent-passport-lite.md): Content addressed agent identity references for the AlgoVoi substrate: bind agent_id, issuer, scope and validity window into a deterministic passport_ref.
- [Build a passport bolt-on](https://docs.algovoi.co.uk/passport-bolt-ons.md): Map any identity or KYC source into a content addressed AlgoVoi agent passport_ref: a deterministic, no PII reference for the pre-payment decision chain.
- [Compliance Gate](https://docs.algovoi.co.uk/compliance-gate-v2.md): Turn a screening decision into a signed, no PII compliance receipt: a categorical ALLOW, REFER or DENY verdict that verifies offline. Commercial OEM SDK.
- [Compliance Gate (lite)](https://docs.algovoi.co.uk/compliance-gate-lite.md): Content addressed compliance decisions for the AlgoVoi substrate: bind an ALLOW, REFER or DENY verdict and a no PII payer reference to the policy in force.
- [Spend Guardrail (lite)](https://docs.algovoi.co.uk/spend-guardrail-lite.md): Content addressed pre-payment decisions for the AlgoVoi substrate: bind a categorical ALLOW or DENY to the agent, the spend authority and the policy.
- [Decision chain (composition keystone)](https://docs.algovoi.co.uk/spend-decision-chain.md): The open agentic payment lifecycle proven end to end: identity, authority, policy and the guardrail_ref decision compose into one recomputable chain.
- [Payment Mandate](https://docs.algovoi.co.uk/payment-mandate.md): The verifiable authorisation behind recurring and agentic crypto payments: a payer signs a capped, revocable mandate once and every pull is checked on it.
- [Payment Mandate (lite)](https://docs.algovoi.co.uk/payment-mandate-lite.md): Content addressed spend authority references for the AlgoVoi substrate: bind payer, cap, period and revocation state into a deterministic mandate_ref.
- [Delegation Ref](https://docs.algovoi.co.uk/delegation-ref.md): Content addressed delegation references for the AlgoVoi substrate: bind delegator, delegate, scope and validity into a tamper evident delegation_ref.
- [Cancellation Receipt (lite)](https://docs.algovoi.co.uk/cancellation-receipt-lite.md): Content addressed cancellation references for the AlgoVoi substrate: bind a mandate_ref and a cancellation reason into a deterministic cancellation_ref.
- [Refund Receipt (lite)](https://docs.algovoi.co.uk/refund-receipt-lite.md): Content addressed refund references for the AlgoVoi substrate: bind a subject_ref, a result and an amount into a deterministic refund_ref. Apache 2.0.
- [Composite Trust Query (lite)](https://docs.algovoi.co.uk/composite-trust-query-lite.md): Content addressed trust verdict references for the AlgoVoi substrate: bind a categorical verdict over an ordered set of pinned refs into a trust_query_ref.
- [AlgoVoi Reseal: quantum-seal the documents you already have](https://docs.algovoi.co.uk/reseal.md): Re-anchor documents already signed with RSA or ECDSA into post-quantum, RFC-3161 timestamped, offline-verifiable attestations, before a quantum adversary can forge the original signature. Free open verifier plus a licensed sealer.
- [AlgoVoi Evidence Auditor: prove your signed documents are valid, at scale](https://docs.algovoi.co.uk/evidence-auditor.md): Batch-verify a whole archive of signed documents (classical RSA/ECDSA and post-quantum), flag the weak, expired and quantum-exposed ones, and produce a signed, tamper-evident audit report your auditor checks with the free verifier.
- [Self Hosted Compliance Evidence Platform](https://docs.algovoi.co.uk/verifiable-compliance-suite.md): Self hosted, air gap capable evidence estate for HIPAA, GDPR and eIDAS: post quantum signatures, a tamper evident audit log, RFC 3161 trusted timestamps.
- [Compliance Suite: Setup and Deployment](https://docs.algovoi.co.uk/vcs-deployment-guide.md): Install and operate the AlgoVoi Verifiable Compliance Suite: extract the bundle, run the Command Center, set up accounts, roles and two factor sign in.
- [EU AI Act Article 12 Record Keeping](https://docs.algovoi.co.uk/eu-ai-act-recordkeeping.md): EU AI Act Article 12 record keeping obligations are now in force (2 August 2026). Meet them on a self hosted, tamper evident log estate you control: hash chained integrity and offline verify for authorities.
- [MiCA and DORA Record Keeping Evidence](https://docs.algovoi.co.uk/mica-dora-evidence.md): MiCA Article 68(9) and DORA logging evidence: self hosted, tamper evident, offline verifiable records under your own keys, with RFC 3161 timestamps.
- [Self Host Regulated Records Preservation](https://docs.algovoi.co.uk/regulated-records-self-hosting-guide.md): Run a self hosted, air gap capable evidence estate for HIPAA, GDPR and eIDAS records: RFC 3161 timestamping, a tamper evident audit log, and legal holds.
- [Post Quantum Evidence Longevity](https://docs.algovoi.co.uk/post-quantum-evidence-longevity.md): How Falcon-1024 and ML-DSA-65 signatures keep compliance evidence verifiable for decades: long term key custody in HSM, KMS or Vault, and 21 CFR Part 11.
- [SCIM 2.0 Provisioning](https://docs.algovoi.co.uk/scim-provisioning.md): Auto provision and deprovision Compliance Command Center accounts from Okta, Azure AD or OneLogin over SCIM 2.0, mapping directory groups onto RBAC roles.
- [Self Hosted Arkivum Alternative](https://docs.algovoi.co.uk/arkivum-alternative.md): Arkivum alternative you host yourself: air gap capable records preservation, one perpetual licence, post quantum signatures, offline verification.
- [Self Hosted Preservica Alternative](https://docs.algovoi.co.uk/preservica-alternative.md): Preservica alternative you host yourself: records preservation on your own infrastructure, one perpetual licence, post quantum signed, air gap capable.
- [Compliance Command Center](https://docs.algovoi.co.uk/compliance-command-center.md): Self hosted management console over your AlgoVoi estate: ingests exported evidence, re-verifies every signed chain offline, and exports an auditor pack.
- [Plug a product into the Command Center](https://docs.algovoi.co.uk/command-center-products.md): Any product with a health endpoint joins the Command Center live service bridge with one set of environment variables, and self registers on boot.
- [Records Vault](https://docs.algovoi.co.uk/records-vault.md): Regulated records preservation for health and legal: RFC 3161 trusted timestamping, a tamper evident read access log, and legal and e-discovery holds.
- [Retention App](https://docs.algovoi.co.uk/retention-app.md): Signed, offline verifiable payment receipt retention: auto maintained per issuer hash linked chains and Falcon-1024 signed evidence exports for auditors.
- [Verifiable Audit Log](https://docs.algovoi.co.uk/audit-log.md): Append any business event to a tamper evident, post quantum chain. Entries are content addressed, append only and verifiable offline. Commercial OEM SDK.
- [.epi Evidence Export](https://docs.algovoi.co.uk/epi-evidence-export.md): Export Records Vault evidence as a portable, post quantum sealed .epi artifact an auditor verifies offline with a bundled verifier, no AlgoVoi account.
- [Sanctions Monitor](https://docs.algovoi.co.uk/sanctions-monitor.md): Continuous sanctions monitoring as signed, no PII delta evidence: keep a counterparty watchlist, re-screen on every refresh, emit a signed delta receipt.
- [Zero knowledge compliance proofs](https://docs.algovoi.co.uk/proofs.md): Prove a payment was screened and compliant, and that the payer's risk score cleared a threshold, without revealing PII or the score. Commercial OEM SDK.
- [Self Hosted x402 Agentic Payment Gateway](https://docs.algovoi.co.uk/payment-rails-sqlite.md): Self hosted x402 facilitator and agentic payment gateway: settle x402, MPP and AP2 on seven chains (Arc from 16 Sep 2026) with post quantum receipts an auditor verifies offline.
- [Payment Rails: Setup and Deployment](https://docs.algovoi.co.uk/payment-rails-deployment-guide.md): Install and go live with the AlgoVoi Payment Rails bundle: one command brings the stack up under systemd behind TLS, white labelled to your own domain.
- [Operator Control Panel](https://docs.algovoi.co.uk/operator-control-panel.md): The operator console for a self hosted AlgoVoi Payment Rails deployment: merchants, payments, refunds, invoices, API keys, compliance and an audit log.
- [Agent Payment Rails Security](https://docs.algovoi.co.uk/payment-rails-security.md): The three layer defence built into AV-RAILS. Every block across x402, MPP, AP2 and A2A is a Falcon-1024 signed, offline verifiable decision.
- [Run Your Own x402 Facilitator](https://docs.algovoi.co.uk/x402-self-host-guide.md): Step by step guide to self hosting an x402 facilitator: install the AlgoVoi payment rails, wire your domain, accept x402 payments in five minutes.
- [x402 Facilitator: Build vs Buy](https://docs.algovoi.co.uk/x402-build-vs-buy.md): Honest cost breakdown of building your own x402 facilitator versus buying a self hosted gateway: seven chains, post quantum receipts, AP2, A2A and audit.
- [Security Suite](https://docs.algovoi.co.uk/security-suite.md): Layered, verifiable defence for agentic payment infrastructure: input integrity hardening before canonicalization, plus IP, geo and rate limit at the edge.
- [Recovery Vault](https://docs.algovoi.co.uk/recovery-vault.md): Threshold (Shamir k-of-n) post quantum key recovery for any Substrate 2 key: data loss protection and identity continuity with no third party key use.
- [Bring Your Own Keys](https://docs.algovoi.co.uk/bring-your-own-keys.md): Hold your AlgoVoi signing and encryption keys in your own HSM, KMS or Vault. Custody is pluggable and signed output is byte identical, so verify is too.
- [Disaster Recovery and Key Ceremony](https://docs.algovoi.co.uk/disaster-recovery.md): HA and DR runbook for the self hosted Verifiable Compliance Suite: recovery objectives, backup scope, restore and verify, and witnessed key ceremonies.
- [Product Key Registry](https://docs.algovoi.co.uk/product-key-registry.md): A Falcon-1024 signed registry of AlgoVoi signing keys with per product custody and did:web identities. Authenticate any signature and follow key rotation.
- [Package Suite](https://docs.algovoi.co.uk/package-suite.md): 25 AlgoVoi open source packages on PyPI and 25 on npm under Apache 2.0, three commercial packages, and the 29 tool MCP server on three registries.
- [Application matrix](https://docs.algovoi.co.uk/application-matrix.md): How every AlgoVoi package, platform service and integration interacts: dependency graph, data flow diagram, and a full cross reference table.
- [JCS Canonicalisation Substrate](https://docs.algovoi.co.uk/canonicalisation-substrate.md): AlgoVoi authored JCS RFC 8785 canonicalisation discipline for agentic payment receipts, cross validated byte for byte across ten language implementations.
- [jcs-rfc8785-v2: PQC aware discipline](https://docs.algovoi.co.uk/canonicalisation-substrate-v2.md): jcs-rfc8785-v2 is the PQC aware revision of the JCS RFC 8785 discipline: strictly additive, adding a signature algorithm registry and fail closed verify.
- [Signed-Token Anchoring](https://docs.algovoi.co.uk/signed-token-anchoring.md): Which bytes you hash when anchoring a signed receipt: anchor the raw signed JWS or SD-JWT bytes, never a re-canonicalised decoded payload.
- [CAIP Chain-Agnostic Identifiers](https://docs.algovoi.co.uk/caip-identifiers.md): Byte canonical validation of CAIP-2 chain ids, CAIP-10 account ids and CAIP-19 asset ids in the AlgoVoi substrate. Three opt in tiers, two languages.
- [PQC Substrate Layer](https://docs.algovoi.co.uk/pqc-substrate.md): AlgoVoi authored JCS and PQC integration layer: a signature_algorithm open enum, a fail closed verifier discipline, and a cross implementor anchor proof.
- [Conformance vector sets](https://docs.algovoi.co.uk/conformance-vectors.md): 45 JCS conformance anchor sets covering the full receipt lifecycle: 374 vectors and 1226 byte for byte agreements across ten reference implementations.
- [Cell and KAF](https://docs.algovoi.co.uk/cell-kaf.md): The Keystone Assurance Framework: hermetic cells that reproduce every JCS conformance vector byte for byte, and sealed, hash-chained receipts you verify offline with no trust in AlgoVoi.
- [Verify it yourself](https://docs.algovoi.co.uk/verify-it-yourself.md): Do not trust, verify. Clone the AlgoVoi conformance corpus and reproduce every vector byte for byte from raw preimages, offline, in Python or Node.
- [Substrate comparison](https://docs.algovoi.co.uk/substrate-comparison.md): A layered comparison of methods for building tamper evident agentic payment records, decided by reproducible bytes at L1 and by capability above it.
- [Verifiable x402 Receipts](https://docs.algovoi.co.uk/verifiable-x402-receipt.md): Issue and verify an x402 receipt any party can recompute offline. AlgoVoi pins RFC 8785 and SHA-256, so verification needs no issuer call and no account.
- [Offline-Verifiable Agent Payment Receipts](https://docs.algovoi.co.uk/offline-verifiable-receipts.md): An offline verifiable agent payment receipt recomputes from its own preimage with RFC 8785 and SHA-256: no network, no issuer call, no service dependency.
- [No-PII Compliance Receipts](https://docs.algovoi.co.uk/no-pii-compliance-receipt.md): A no PII compliance receipt binds an ALLOW, REFER or DENY screening verdict to a content addressed payer reference that is hashed and never emitted.
- [x402 receipt adapter](https://docs.algovoi.co.uk/x402-receipt-adapter.md): algovoi-x402-receipt-adapter turns an x402 payment into an offline verifiable settlement attestation, facilitator or origin side, bound into Keystone.
- [Compliance receipt verifier](https://docs.algovoi.co.uk/receipt-verifier.md): Standalone reference verifier for AlgoVoi JWS compliance receipts: offline capable, no infrastructure trust, Python and TypeScript with shared vectors.
- [Audit verifier](https://docs.algovoi.co.uk/audit-verifier.md): Standalone reference verifier for AlgoVoi selective disclosure audit bundles. Hosted, pip installable and npm installable, no infrastructure trust needed.
- [Webhook verifier](https://docs.algovoi.co.uk/webhook-verifier.md): Cryptographic verifier for AlgoVoi webhook signatures: v1 HMAC-SHA256 and v2 HKDF-SHA256 with HMAC-SHA384, offline capable, Python and TypeScript.
- [Receipt sentinel](https://docs.algovoi.co.uk/receipt-sentinel.md): Tenant side sliding window monitor for AlgoVoi verification failures. Detects tamper attempts, replay patterns and scanning bursts. Zero dependencies.
- [action_ref (legacy / interop)](https://docs.algovoi.co.uk/action-ref-verifier.md): action_ref is the legacy interop primitive, unchanged for existing adopters alongside its hosted verifier. New builds should use execution_ref. Apache 2.0.
- [RFC 9421 HTTP Signatures Verifier](https://docs.algovoi.co.uk/rfc9421-verifier.md): AlgoVoi authored reference verifier for RFC 9421 HTTP Message Signatures and RFC 9530 Digest Fields. Python and TypeScript at byte parity, Ed25519.
- [RFC 9421 HTTP Signatures Signer](https://docs.algovoi.co.uk/rfc9421-signer.md): AlgoVoi authored reference signer for RFC 9421 HTTP Message Signatures and RFC 9530 Digest Fields. Python and TypeScript, byte for byte parity, Ed25519.
- [Key-Credential Binding for RFC 9421 Agent Requests](https://docs.algovoi.co.uk/key-credential-binding.md): Bind an RFC 9421 HTTP message signature to an issued agent credential: conformance vectors and reference verifiers (Python and TypeScript) for key anchoring, scope, and revocation checks.
- [AVM Proofpack: Algorand State Proof Verification in Python](https://docs.algovoi.co.uk/avm-proofpack.md): Verify an Algorand or Voi transaction offline in pure Python: avm-proofpack recomputes every hash and Merkle link from raw bytes up to the chain's state proof commitment. Zero dependencies.
- [Compliance Gate Extension v1](https://docs.algovoi.co.uk/compliance-gate-v1.md): AlgoVoi authored A2A extension for the admission time sanctions and KYC gate: a closed ALLOW, REFER, DENY verdict enumeration under JCS RFC 8785.
- [Compliance Receipt Format](https://docs.algovoi.co.uk/compliance-receipt.md): AlgoVoi authored admission time compliance receipt format: a categorical ALLOW, REFER, DENY enumeration under JCS RFC 8785, with a companion IETF draft.
- [Settlement Attestation Format](https://docs.algovoi.co.uk/settlement-attestation.md): AlgoVoi authored multi-chain settlement attestation format: a categorical SETTLED, PENDING_FINALITY, REVERSED enumeration under JCS RFC 8785.
- [Refund Receipt Format](https://docs.algovoi.co.uk/refund-receipt.md): AlgoVoi authored refund receipt format: a categorical FULL, PARTIAL, REJECTED enumeration under JCS RFC 8785 that composes with compliance receipts.
- [Mandate Cancellation Receipt Format](https://docs.algovoi.co.uk/cancellation-receipt.md): AlgoVoi authored mandate cancellation receipt format: a closed four element reason enumeration under JCS RFC 8785, with a companion IETF Internet-Draft.
- [Composite Trust Query Response Format](https://docs.algovoi.co.uk/composite-trust-query.md): AlgoVoi authored verifier side response format for agentic payment audit chains: a closed four element trust verdict enumeration under JCS RFC 8785.
- [Payment Evidence Frame (PEF)](https://docs.algovoi.co.uk/payment-evidence-frame.md): AlgoVoi authored canonical wrapper format for payment lifecycle receipts: a byte deterministic frame_id via JCS RFC 8785 plus optional RFC 9421 signature.
- [Agent Session Authentication](https://docs.algovoi.co.uk/agent-session-auth.md): Exchange an ATB ZKP certificate or a federation token for a short lived HMAC session JWT with an embedded spend cap, used across all payment routes.
- [ATB Pass Certificate: Reputation Pricing](https://docs.algovoi.co.uk/atb-reputation-credential.md): Falcon-1024 signed reputation credential from the Agent Trust Bench: prove a refusal rate score to x402 gateways for variable pricing, JCS canonical.
- [ATB Pass Certificate: Agent Guide](https://docs.algovoi.co.uk/atb-reputation-credential-agent-guide.md): Integrate the ATB Pass Certificate into your agent payment flow: run the bench, fetch a certificate, present it on x402 requests for pricing discounts.
- [ATB Hub Conformance: Approval Guide](https://docs.algovoi.co.uk/atb-hub-conformance.md): Conformance specification for running your own ATB Pass Certificate issuer hub: requirements, application process, and registry inclusion criteria.
- [ATB vNext: verifiable agent evaluation](https://docs.algovoi.co.uk/atb-vnext.md): Verifiable offline evaluation harness for payment agents: six test modes, seven OWASP LLM Top 10 scenario packs, five scores, a signed reproducible corpus.
- [Substrate Adopters Registry](https://docs.algovoi.co.uk/adopters.md): Public registry of parties publishing artefacts under the jcs-rfc8785-v1 canonicalisation discipline: a neutral record of adoption, not an endorsement.
- [Ecosystem Adoption Evidence](https://docs.algovoi.co.uk/adoption-evidence.md): Reproducible evidence that the AlgoVoi canonicalisation substrate reached ecosystem infrastructure. Every datum recomputes against public APIs.
- [Ecosystem contributions](https://docs.algovoi.co.uk/ecosystem-contributions.md): Public pull requests and IETF Internet-Drafts AlgoVoi filed upstream to x402, AP2, A2A, MPP and the JCS substrate. Verifiable proof of work.
- [x402 Document Index](https://docs.algovoi.co.uk/x402-document-index.md): Neutral index of IETF Internet-Drafts, published specifications and URN registrations in the x402 receipt format ecosystem, by author and by anchor.
- [AlgoVoi Pay](https://docs.algovoi.co.uk/algovoi-pay.md): AlgoVoi Pay (pay.algovoi.co.uk) is a tenant-free, cross-protocol payment rail that charges USDC per call and returns an offline-verifiable signed receipt on every response.
- [Chain-agnostic agent payment negotiation](https://docs.algovoi.co.uk/chain-agnostic-negotiation.md): Agents that speak different chains negotiate a shared settlement lane, then pay from their own wallet. No account. Eleven mainnet chains across x402, MPP, AP2 and A2A.
- [Agentic Payment Receipts](https://docs.algovoi.co.uk/agentic-payment-receipts.md): Verifiable agentic payment receipts across x402, AP2, A2A and MPP. Offline recomputable, no PII, on one shared JCS (RFC 8785) canonicalisation substrate.
- [x402 (HTTP 402 Payment Required)](https://docs.algovoi.co.uk/protocols/x402.md): x402 charges per HTTP request and settles on chain. AlgoVoi is a multi-chain x402 facilitator issuing offline verifiable receipts and attestations.
- [MPP (Method Payment Protocol)](https://docs.algovoi.co.uk/protocols/mpp.md): MPP charges per call for MCP tools and JSON-RPC methods. AlgoVoi is a registered multi-chain MPP service issuing per method, offline verifiable receipts.
- [AP2 (Agent Payments Protocol)](https://docs.algovoi.co.uk/protocols/ap2.md): AP2 is Google's mandate based protocol for autonomous agent commerce. AlgoVoi settles AP2 mandates on chain and issues mandate bound verifiable receipts.
- [A2A (Agent2Agent Protocol)](https://docs.algovoi.co.uk/protocols/a2a.md): Google's open protocol for AI agents to discover and call each other. AlgoVoi runs a live, payment gated A2A agent issuing offline verifiable attestations.
- [Solana Actions and Blinks](https://docs.algovoi.co.uk/protocols/solana-actions.md): AlgoVoi exposes hosted USDC checkouts as Solana Actions, rendered by any Blink aware client through dial.to, X and Discord, with reference binding.
- [Algorand USDC payments](https://docs.algovoi.co.uk/chains/algorand.md): Accept USDC (ASA 31566704) on Algorand: memo bound checkouts, roughly five second confirmation, sub cent fees, plus xChain MetaMask pay via Allbridge.
- [VOI aUSDC payments](https://docs.algovoi.co.uk/chains/voi.md): Accept aUSDC (ARC-200 asset 302190) on VOI: Algorand fork architecture, memo bound checkouts, no opt in required, and sub cent transfer fees.
- [Hedera USDC payments](https://docs.algovoi.co.uk/chains/hedera.md): Accept USDC (HTS token 0.0.456858) on Hedera: memo bound checkouts, token association payouts, and Mirror Node verification on mainnet and testnet.
- [Stellar USDC payments](https://docs.algovoi.co.uk/chains/stellar.md): Accept USDC on Stellar: short 28 byte MEMO_TEXT binding, trustline payouts, Horizon API verification, and xChain MetaMask pay through Allbridge Core.
- [Base USDC payments](https://docs.algovoi.co.uk/chains/base.md): Accept USDC (ERC-20) on Base: EVM native settlement, amount only binding, and x402 payment facilitation on both Base mainnet and Base Sepolia testnet.
- [Solana USDC payments](https://docs.algovoi.co.uk/chains/solana.md): Accept USDC (SPL) on Solana: Solana Pay reference pubkey binding, associated token accounts, and xChain MetaMask payments routed through Circle CCTP V2.
- [Tempo USDCe payments](https://docs.algovoi.co.uk/chains/tempo.md): Accept USDCe (TIP-20) on Tempo: EVM style settlement, amount only binding, and x402, MPP, AP2 and AgentCash on Tempo mainnet and Moderato testnet.
- [Integrations overview](https://docs.algovoi.co.uk/integrations/overview.md): Drop-in adapters for e-commerce, chat bots, AI frameworks, accounting, and more. One-line install, then point at your tenant.
- [Chrome extension](https://docs.algovoi.co.uk/integrations/chrome-extension.md): AlgoVoi's in house browser wallet: native x402, MPP and AP2 payment protocol support across six chains in one Manifest V3 Chrome extension.
- [AI agent frameworks](https://docs.algovoi.co.uk/integrations/ai-frameworks.md): Payment-gate AI agents in LangChain, LangGraph, CrewAI, AutoGen, LlamaIndex, Vercel AI SDK, and ElizaOS. AlgoVoi adds x402, MPP, and AP2 USDC paywalls.
- [AI model APIs](https://docs.algovoi.co.uk/integrations/ai-models.md): Paywall OpenAI, Claude, Gemini, Cohere, Mistral, Bedrock, and xAI Grok per call in USDC. AlgoVoi model adapters add x402, MPP, or AP2 payment to each SDK.
- [E-commerce adapters](https://docs.algovoi.co.uk/integrations/ecommerce.md): Drop in USDC payment modules for Shopify, WooCommerce, Magento, Wix and Squarespace, plus settlement links for Amazon, eBay, Etsy and Walmart.
- [Chat bot payments](https://docs.algovoi.co.uk/integrations/chat-bots.md): Take USDC payments inside Discord, Telegram, X, Viber, and WhatsApp with AlgoVoi chat bots. Type 'pay £5' to mint a hosted checkout across seven chains.
- [Accounting and invoicing](https://docs.algovoi.co.uk/integrations/accounting.md): Attach AlgoVoi USDC payment links to invoices in Xero, QuickBooks, FreshBooks, MYOB, Sage, Wave and Zoho Books, with writeback on payment confirmation.
- [No-code platforms](https://docs.algovoi.co.uk/integrations/no-code.md): Wire AlgoVoi USDC payments into Pabbly Connect, Activepieces, GiveWP, and Gravity Forms. Build crypto-payment checkout and triggers with no code.
- [Native SDKs](https://docs.algovoi.co.uk/integrations/native-sdks.md): Zero-dependency AlgoVoi SDKs for Go, PHP, Python, and Rust. One standard-library file creates USDC checkouts, verifies webhooks, and checks payment status.
- [AlgoVoi MCP server](https://docs.algovoi.co.uk/integrations/mcp-server.md): Expose AlgoVoi as MCP tools to Claude Desktop, Claude Code, Cursor, and Windsurf. Create USDC payment links and verify x402, MPP, AP2, and A2A on-chain.
- [Open banking](https://docs.algovoi.co.uk/integrations/banking.md): Accept UK Faster Payments and SEPA Instant via TrueLayer or Yapily, then settle automatically as USDC on-chain through AlgoVoi's open-banking adapters.
- [Outbound webhooks](https://docs.algovoi.co.uk/integrations/outbound-webhooks.md): Stripe-shaped events delivered to your endpoint with HMAC-SHA256 signing, exponential-backoff retry, and a per-tenant audit log.
- [Support and contact](https://docs.algovoi.co.uk/support.md): How to get help with AlgoVoi by email, GitHub and security disclosure, what to include in a request, and response targets for tickets and incidents.
- [Security posture](https://docs.algovoi.co.uk/security.md): How AlgoVoi protects merchants, payers, regulators and the audit trail: concrete, independently verifiable claims with no marketing fluff.
- [Incident protocol](https://docs.algovoi.co.uk/incident-protocol.md): How AlgoVoi detects, communicates and recovers from chain or gateway incidents, including degraded versus down handling and the post mortem cadence.
- [Compliance & Security](https://docs.algovoi.co.uk/compliance.md): AlgoVoi compliance overview for developers: what we do, what the policy binder contains, and how to request the full documents under NDA.
- [AlgoVoi changelog](https://docs.algovoi.co.uk/changelog.md): AlgoVoi releases, new chain support and breaking changes: MCP server tools, Agent Trust Bench certificates, xChain settlement and protocol adapters.
- [Acquisition](https://docs.algovoi.co.uk/acquisition.md): AlgoVoi is available for acquisition: a production multi-chain stablecoin payment gateway with IETF standards authorship and a live commercial suite.
- [AlgoVoi vs Unnamed](https://docs.algovoi.co.uk/algovoi-vs-unnamed.md): An open, reproducible comparison of the AlgoVoi agentic payments substrate against a current substrate. Names no implementation, states parity plainly.
- [JCS Substrate Authorship and Provenance](https://docs.algovoi.co.uk/substrate-authorship-provenance.md): AlgoVoi-authored JCS substrate (RFC 8785 JSON Canonicalization Scheme): full artefact timeline with commit dates, public URLs, and one-command independent verification. No AlgoVoi infrastructure required.
- [Substrate Licensing and Attribution](https://docs.algovoi.co.uk/substrate-licensing-and-attribution.md): How AlgoVoi's Apache 2.0 substrate may be used, what attribution the licence requires, and how AlgoVoi handles reuse without it. Read before you build.
- [Vauban Substrate: Derivation Record](https://docs.algovoi.co.uk/vauban-substrate-derivation.md): Side by side comparison of AlgoVoi's published canonicalisation substrate against the vauban-x402-jcs-conformance crate, with timestamps and anchors.
- [API introduction](https://docs.algovoi.co.uk/api-reference/introduction.md): AlgoVoi REST API at api.algovoi.co.uk: base URL, JSON content type, Bearer authentication, idempotency keys, request IDs, versioning, and rate limits.
- [Authentication](https://docs.algovoi.co.uk/api-reference/authentication.md): Authenticate to the AlgoVoi API with a Bearer key plus X-Tenant-Id header: key prefixes (algv_, algvc_, algvw_), scopes, test versus live, and rotation.
- [API errors and status codes](https://docs.algovoi.co.uk/api-reference/errors.md): AlgoVoi API errors: the JSON error envelope, HTTP status mapping (400/401/402/403/409/422/429), common error codes, and 4xx vs 5xx retry behaviour.
- [Rate limits](https://docs.algovoi.co.uk/api-reference/rate-limits.md): AlgoVoi API rate limits: per tenant (300/min) and per IP (120/min) caps, X-RateLimit headers, 429 Retry-After, and exponential back off with jitter.
- [ARC Network RPC and Chain ID](https://docs.algovoi.co.uk/chains/arc.md): ARC Network testnet RPC (rpc.testnet.arc.io, formerly rpc.testnet.arc.network), chain ID 5042002, native-USDC gas, and EVM wallet setup for MetaMask and Rabby. ARC mainnet (chain ID 5042) is expected September 2026; AlgoVoi's Arc settlement support ships now.
- [Settlement Verification](https://docs.algovoi.co.uk/settlement-verify.md): Confirm a stablecoin payment settled and finalised on chain across seven live networks (Arc from 16 Sep 2026) with one call. The verification that runs in the AlgoVoi gateway.
- [Spend Guardrail](https://docs.algovoi.co.uk/spend-guardrail.md): The decision point for agentic payments: verify the passport, enforce the mandate, apply your policy, and get a signed ALLOW, DENY or REFER in one call.
- [Travel Rule](https://docs.algovoi.co.uk/travel-rule.md): FATF Travel Rule (Recommendation 16) as signed, no PII, post quantum confidential evidence exchanged between VASPs, with a Falcon-1024 signed receipt.
- [Verifiable Archive](https://docs.algovoi.co.uk/verifiable-archive.md): Tamper evident, post quantum document archiving: every document is content addressed, encrypted at rest, and recorded in an append only chain you verify.

## OpenAPI Specs

- [openapi](/api-reference/openapi.json)

## Optional

- [GitHub](https://github.com/chopmob-cloud/AlgoVoi-Platform-Adapters)