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AlgoVoi Payment Agent

by Oratis Kamir

Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google Agentic Payments) protocols.

A2AFree

Skills (5)

Agent Trust Bench

agent-trust-bench

Research environment measuring autonomous AI agent payment decisions under x402. 35 profiles spanning benign, adversarial, multi-turn, and budget-enforcement scenarios. Agents can probe profiles via GET /{profile_id}, refuse via POST /refused/{profile_id}, and declare pre-authorisation via POST /authorised-declaration. Available as an MCP server (bench_mcp_server.py, stdio transport) and via Bazaar discovery at /discovery/resources. Max transaction: $1.00 USDC. No auth required. Research disclosure at /disclosure-policy.

in: application/jsonout: application/json
  • β€œList all bench profiles at agent-trust-bench.algovoi.co.uk/discovery/resources”
  • β€œProbe the 'cheap' profile: GET agent-trust-bench.algovoi.co.uk/cheap”
  • β€œRun all 35 profiles with bench_runner.py --persona policy”

Check Payment Status

check-status

Poll the payment status of a checkout link. Input: token (the URL slug from create-checkout, e.g. 'uW9MJN-abc123' β€” NOT the UUID id field). Returns status: active | paid | expired | cancelled.

in: application/jsonout: application/json
  • β€œCheck if checkout uW9MJN-abc123 has been paid”

Create Hosted Checkout

create-checkout

Create a hosted payment link for a given amount. Returns a checkout URL and token that an end-user can open to complete payment. Input: amount (major fiat units, e.g. 9.99), currency (ISO 4217, e.g. GBP), label (description), preferred_network (optional), redirect_url (optional). Supported networks: algorand_mainnet, voi_mainnet, hedera_mainnet, stellar_mainnet, base_mainnet, solana_mainnet, tempo_mainnet, arc_testnet.

in: application/jsonout: application/json
  • β€œCreate a checkout link for Β£9.99 (amount: 9.99, currency: GBP)”
  • β€œCreate a checkout link for $49.00 on Algorand mainnet”

Post Twitter Checkout

post-twitter-checkout

Create a hosted checkout link and post it as a reply to a tweet (or as a new tweet) using the tenant's connected X bot credentials. Input: amount (major fiat units), currency (ISO 4217), tweet_id (optional β€” reply target), label (optional), preferred_network (optional). Returns checkout_url, token, and tweet_id of the posted reply.

in: application/jsonout: application/json
  • β€œReply to tweet 1234567890 with a Β£9.99 checkout link”
  • β€œPost a $50 payment request as a new tweet via the connected X bot”

Verify On-Chain Payment

verify-payment

Verify that a blockchain transaction satisfies the payment requirements for a gated resource. Supports x402, MPP, and AP2 protocols on Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, and ARC networks. Returns verified=true and an access_token JWT on success.

in: application/jsonout: application/json
  • β€œVerify tx ABC123 on algorand_mainnet for resource premium-content”
  • β€œCheck if payment has been received for checkout token chk_xyz”