32 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Stay listed in this Bazaar: resources are delisted after ~30 days without a settled payment. $190 prepaid year, agent-payable (the card alternative is $19/mo at mudko.com/pricing): our funded wallet settles a small heart...
Get YOUR x402 endpoint listed in this Bazaar - done for you, $99 one-time. You receive a deploy-ready x402 v2 kit generated for your stack (Next.js, Express, serverless; PHP via a free serverless function) with your wall...
On-chain Forensics API for AI agents: token verdict cards and settle-safe pre-trade screens ($0.02), ERC-20 burn/mint and wallet forensics ($0.05, Base/Ethereum/XRPL), and $0.25 due-diligence memos. Bare URL = $0.02 dire...
SpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them. Payment Preflight: check an x402 challenge or cart against caller spending/sanctions rules and cache...
A paid Governed Machine Commerce service running on AgentPay, SAF-Authority's Core Engine Framework. Before spending, a software agent submits one declared transaction and receives an evidence-backed ALLOW, HOLD or DENY...
Status of every Ethereum Improvement Proposal as JSON: number, title, status (living, final, last-call, review, draft, stagnant, withdrawn) and link, plus counts by status. Parsed live from eips.ethereum.org (EIPs are CC...
x402 Offer Check API: probes a public x402 storefront from the Cloudflare edge (GET, POST, OPTIONS) and reports what a buyer sees - payment-required header vs body, extra, bazaar, CORS, header size, 404 on the other meth...
Base Receipt Verify API: checks on Base mainnet that a transaction really paid USDC to an address - status, transfer, amount, payer and EIP-3009 nonce from the chain logs, never from the relayer. Base mainnet USDC only....
Payment Header Check API: reads an x402 PAYMENT-SIGNATURE header before you send it - base64/UTF-8/JSON, version, authorization fields, clock window, who signed (lane a or b) and, with the seller PAYMENT-REQUIRED, payTo/...
Should I pay this x402 endpoint? Verdict pay/caution/block/cannot_pay with reasons: price vs your maxUsd and decoy prices, asset/network, payTo screened against OFAC SDN, Circle/Tether freezes and exploit/phishing/mixer...
Seller check before you pay: organic revenue, buyers, returning buyers, largest-buyer share and a measured rating for a domain, wallet or service name. Last 30 days, public on-chain data.
Use when an agent wants a one-label check before paying an x402 URL or seller domain: checks_passed, check_first, checks_failed or no_data, with as-of date, evidence window, conclusive test-buy count, last delivered/fail...
CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU
Check a UUID: send a string and get whether it is a valid UUID plus its version and variant. Pay $0.001 USDC per call on Base. No API key. Example output: {"result":{"valid":true,"normalized":"550e8400-e29b-41d4-a716-446...
Use when you sell an API over x402 and want it to pass Bazaar/CDP listing checks. Input: url (https x402 resource), method GET or POST. Output: JSON score 0-100, grade, per-check pass/warn/fail with fix hints (x402 v2 qu...
Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).
Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).
Check an X-Escrow before you deliver paid work, via Liquid Logic X: send chain + escrow id or a buyer/seller wallet (default all 10 mainnets), get state, parties, amount, deadline and refundable-now. $0.005 USDC on Base.
Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoint.
Check an agent wallet's x402 spend cap before it pays, via Liquid Logic X: send a wallet and optional endpoint URL, get allowed, reason, remainingUsdc, capUsdc, spentUsdc from the published policy. $0.001 USDC on Base.
Use when an agent is about to pay an unknown x402 endpoint and needs a cheap safety gate. Input: url (https x402 resource), method, optional max_price_usd. Output: JSON verdict ALLOW/WARN/DENY with reasons: live quote no...
No-body $0.001 x402 settlement test for funded agents. Verifies the buyer wallet, facilitator, USDC payment path, and paid delivery end-to-end by returning a timestamped pong only after successful settlement.
Verify a USDC payment on Base: tx succeeded, USDC sent to the expected recipient (and from the expected sender), at least min_amount, enough confirmations. Returns verdict + decoded transfers. Unknown tx = not charged.
Public, account-free preflight for an autonomous x402 payment. Validates the merchant's exact PAYMENT-REQUIRED challenge against the intended request, checks Base USDC payment integrity and public merchant/payTo risk evi...