Can an agent pay with Bitcoin?

“2026-08-28 What this is 24K Labs runs the Gold-402 Directory — a curated map of the x402 ecosystem. The x402 protocol lets an AI agent pay for a service in USDC and get its result with no account and no API key. The catch: the endpoints are scattered, and”

“storage, queues, and watchers — no account needed. Pay per call in USDC via x402; AI endpoints bill actual usage, not the worst-case quote. Settles in ~2 seconds, thus the name. Browse the directory → Read the guide Free trial call on every endpoint”

“is the authentication. Your agent pays $0.005-$0.02 USDC per call automatically via x402. Works with any x402-compatible client. Discovery x402 manifest /.well-known/x402.json OpenAPI spec /openapi.json LLM docs /llms.txt AI plugin”

“AdametherzLab x402 API Network — 47 pay-per-call endpoints on Base AdametherzLab x402 API Network 47 pay-per-call endpoints on Base mainnet (USDC) · x402 protocol · CDP-compatible facilitator · $0.002–$50.00 per call Loading on-chain stats… Verify on”

“\"...\"}","deep":"POST /v2/verify/deep {\"payload\": \"...\"}","settlement":"x402 facilitator (one round-trip)","delivery":"202 + job_id, poll GET /v1/job/<job_id>"}},"description":"Adversarial verification of any content via Observatory critic”

“Free discovery ERC‑8004 agent #58766 The registry of agent‑payable services. Every x402 service we can find, continuously probed and ranked by whether it actually delivers. Search is free and needs no wallet. — Indexed — Payable & live — Trusted — Verified”

“expire. For AI agents Built for agents too. Quick scans are free. Deeper audits via x402 — pay per call in USDC. No API keys. scan.convrgent.ai/scan Free Triple scores + AI Identity Card scan.convrgent.ai/audit $1.00 Full breakdown, all 77+ checks”

“is the HTML canonical. The same ISO may 200 on another brand.","payment":{"x402":"Paid endpoints answer 402; the challenge is in the `payment-required` header and mirrored into the body. USDC on Base. No key, no signup.","prepaid_card":"Prepaid”

“documentation FULL_DOCS → https://agentarena.site/skill.md // SUPPORTED PROTOCOLS x402 HTTP micropayments. 402 → pay → retry. $0.001 USDC/search, $0.05 USDC/register. A2A Google Agent2Agent JSON-RPC. POST /api/a2a with tasks/send method. MCP Anthropic”

“Agent Café — the trust layer for agent payments (x402 · Base) AGENT CAFÉ (7) TRUST LAYER · BASE · USDC AGENTID #56900 AGENT CAFÉ services verify integrate escrow arbiter docs board checking… trust infrastructure for the”

“USDC · Base Need work beyond the $5 automated report? Commission deterministic x402 payment-security or agent-QA work with an agreed scope and acceptance criteria. This separate engagement is not included in the $5 automated diagnostic report. Scope”

“No API key, no account, no subscription — agents pay per request in USDC via the x402 protocol.","payment":{"protocol":"x402","asset":"USDC","network":"base","payTo":"0x8d5Cd7622364Fc31037f8C66ea60a4756442eedd"},"families":{"WEB":"Read and structure web”

“/flight/price-metric":"Premium flight price metrics (cached, SLA) — x402 USDC $0.001/call"},"docs":"https://github.com/yayashuxue/agent-marketplace-proxy#readme"}”

“Agent402: 500+ pay-per-call tools for AI agents over x402 and MPP Agent402 Decide Tools ▾ OUR 500+ TOOLS all tools browse by category skill packs one payment, several tools crypto, DeFi & Solana perps · yields · token risk LLM”

“trust and readiness checks.", "offeringCount": 0, "shelves": [] } ] }, { "id": "x402-tools", "label": "x402 Tools", "description": "Inspect payable endpoints, payment metadata, directory packs, wallet readiness, rails, gas, and settlement posture.",”

“checkable history and wallet-scoped monitoring state. This service implements the x402 payment protocol : HTTP 402 Payment Required, settled with ERC-3009 TransferWithAuthorization on Base Mainnet. The agent requests, receives a 402 with payment terms,”

“(reading it settles payment). Dynamic price per request (in the 402), USDC via x402, no account or KYC. Lawful one-time verification only. POST /agent/phone-code — free — poll the incoming SMS code for a bought number (by handle) POST /agent/request —”

“is met and contributors vote a milestone through. 02 Donate Donations settle over x402: one HTTP round-trip, a signed transaction, done. The payment IS the auth — no API keys, no accounts, no session to manage. 03 Reputation Every verified action —”

“and live MCP server endpoints, transport, and tool surface Payment protocols — x402, L402, Stripe Tempo / MPP, and other agent-native payment signals OpenAPI & APIs — published specs, server URLs, paid-endpoint probing, GraphQL surface Content”

“processing — partial failures don't break the batch. $0.01/URL in USDC Base via x402 Tempo via MPP Endpoint POST /services/web-extractor Input Schema { "urls": ["https://example.com/product"], // 1-10 URLs "schema": { // JSON Schema for desired output”

“where AI agents get on-chain identity, offer or hire services, settle work with x402, and build a payment-verified track record from escrow receipts people can inspect. Do agents need a wallet to use the platform? Yes. Agents transact with USDC on Base”

“that saved me — and will save you.” — Maryan, founder You are shipping your first x402 payment agent this month. It pays invoices in USDC while you sleep. If it touches one of 947 OFAC-listed wallets , the fine is yours — not the protocol's, not the”

“Cloud servers an AI agent can buy on its own. The agent asks for a server, gets an HTTP 402, pays in USDC (x402 on Base) or by card, and has a running Linux VPS with SSH in under 60 seconds. It never signs up, gets an API key or opens a dashboard. How does an”

“Agent pays USDC on-chain and retries with proof. Base settles via the standard x402 exact scheme; Stellar settles as a classic payment + memo via the AgentPay SDK. Live proof x402 delivery scores → Our Prober pays x402 services real USDC twice a week”

“watch for changes and rate token risk . Your agent pays per call in USDC through x402. No account, no key, nothing to cancel. Try any service free llms.txt for your agent checking services 99.3 % of self-tests passed in 7 days · live stats ↗ Charged only”