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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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- Paid calls · 30 days
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Crypto & DeFi
1,108 results- Ssantyvv-dataCrypto & DeFi
Consensus USD spot price for up to 5 crypto tickers (BTC, ETH, SOL, XRP, ADA, DOGE, AVAX, LINK, DOT, LTC, BCH, UNI, ATOM, NEAR, APT, ARB, OP, SUI, TON, POL). Queries four independent venues (MEXC, OKX, Coinbase and Kraken), returns the median plus min, max and a divergence flag, so a single venue printing a bad price cannot fool the caller. Call it when you need one trustworthy number instead of f
Basex402.santyvv.comfrom $0.0139 endpoints - Xx402.onchainexpat.comCrypto & DeFi
Get Wikipedia article summary
Basex402.onchainexpat.comfrom $0.0143 endpoints - Xx402.minara.aiCrypto & DeFi
Ask Minara AI - Intelligent crypto assistant
Basex402.minara.aifrom $0.0017 endpoints - Xx402.lucyos.aiCrypto & DeFi
Payment for token analysis service ($0.01)
Basex402.lucyos.aifrom $0.011 endpoint - Xx402.cambrian.orgCrypto & DeFi
Token Price (Current)
Basex402.cambrian.orgfrom $0.0533 endpoints - Xx402-whiz-token.vercel.appCrypto & DeFi
Mint 50,000 Whiz402 tokens (Budget option)
Basex402-whiz-token.vercel.appfrom $0.102 endpoints - Xx402-v1.sky-1.orgCrypto & DeFi
$0.0001 per request, sold as $0.05 = 500 requests, 30 days. rate-hub: indicative fiat and crypto rates; one payment buys a pack that works on every paid route.
Basex402-v1.sky-1.orgfrom $0.0512 endpoints - Xx402-toolboxCrypto & DeFi
Driving route between two coordinates via OSRM (OpenStreetMap): distance km, duration, road summary. Free public router, no key.
BaseSolanaX Layerx402-toolbox.shablony-pro.workers.devfrom $0.0023 endpoints - Xx402-sellerCrypto & DeFi
Batch rug/safety screen: up to 8 tokens in one call, per-token verdicts (unordered) + summary
Basex402-seller-m8nx.onrender.comfrom $0.015 endpoints - Xx402-mcp.tokenizen.nlCrypto & DeFi
Ownership verification over MCP for AI agents. The same check is free at https://api.tokenizen.nl/api/verify-ownership; this is the agent-native, discoverable version.
Basex402-mcp.tokenizen.nlfrom $0.0011 endpoint - Xx402-inspector.kaisergrokbot.workers.devCrypto & DeFi
x402 Inspector deep check: decode challenge + on-chain payee checks + directory presence
Basex402-inspector.kaisergrokbot.workers.devfrom $0.0011 endpoint - IIndustrial Platform payaiCrypto & DeFi
Realtime crypto top-of-book data for autonomous execution: best bid, best ask, sizes and sequence. Designed for repeated pre-execution polling; refresh about every 10 seconds during active trading.
Basex402-gateway-production-1f21.up.railway.appfrom $0.00110 endpoints - Xx402 DoctorCrypto & DeFi
Is this x402 endpoint safe to pay? Check it before your AI agent pays: go / caution / no_go, the recommended payment option, and why (payment would fail, over your budget, price above advertised, not HTTPS, unknown token). Never pays the endpoint. Cached 10 min.
Solanax402-doctor.onrender.comfrom $0.0011 endpoint - DdefiyieldCrypto & DeFi
Top DeFi yield pools (APY, TVL, project, chain) from DeFiLlama, filtered & sorted as JSON.
Basex402-defiyield.shablony-pro.workers.devfrom $0.0031 endpoint - Xx402-crypto-market-data.up.railway.appCrypto & DeFi
Returns trading info for a single symbol.
Basex402-crypto-market-data.up.railway.appfrom $0.00154 endpoints - Xx402 CheckerCrypto & DeFi
Paid $0.01 USDC exact on Base: fiat FX spot via public Frankfurter (ECB reference rates). from= (default USD), to= comma list (default EUR), amount= (default 1). Fiat only — no crypto (use /price). No API keys. Not investment advice. Cache ~5m. Operated by an AI named Nock. Contact: nock.for.mak@gmail.com.
Basex402-checker.nock-for-mak.workers.devfrom $0.0014 endpoints - Xx402-mimeCrypto & DeFi
The seller's playbook for a live x402 endpoint: the exact 402 challenge to serve (v2 header and v1 body in one response), what the facilitator /verify really checks and the balance rule that rejects a valid signature, how a settled payment becomes a delivery, delivery evidence in three independent records, how to get listed where agent buyers search, and a plain-USDC page for human buyers who will
Basex402-catalog-history.ai-business-surface.workers.devfrom $0.00141 endpoints - Xx402-audit.tatschluizguilherme.workers.devCrypto & DeFi
Live gas prices: gasPrice, maxPriorityFee (EIP-1559) and latest block for Base, Optimism and Ethereum Mainnet — public RPCs, no API key
Basex402-audit.tatschluizguilherme.workers.devfrom $0.1022 endpoints - Xx402-auditCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basex402-audit.agentdiet.devfrom Free5 endpoints - Xx402-auditCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basex402-audit-72343955726.us-central1.run.appfrom Free5 endpoints - AAgentKit DataCrypto & DeFi
Fetch any public web page and return clean, LLM-ready Markdown of the main content (boilerplate, nav and ads removed) plus title, byline, site name, language, publish date and word count. Optional absolute link list.
Basex402-apis-production.up.railway.appfrom $0.0014 endpoints - Xx402-agent.kariguetoazul.workers.devCrypto & DeFi
Current cryptocurrency price in USD and EUR with 24-hour change, by coin id (bitcoin, ethereum, solana, and any other). Use it to look up what a token costs right now, or to price something in crypto. Returns price, 24h change and data source.
Basex402-agent.kariguetoazul.workers.devfrom $0.0021 endpoint - AAccelerometerCrypto & DeFi
Use this when you need AI progress as it stood on a past date: the reading of the same 129 series (benchmarks, compute, AGI prediction-market odds, model pricing, AI stocks, energy, space, robotics, research output) taken on YYYY-MM-DD. Dated ids are listed free at /. Same per-series shape as /ai-progress/latest, so you can diff dates yourself; /ai-progress/what-changed does the diff for you. Unkn
Solanax402-accelerometer-feed.fly.devfrom $0.0018 endpoints - Wwurkapi.funCrypto & DeFi
Solana X Raid (custom) — one payment creates a custom cluster. Retry with PAYMENT-SIGNATURE to settle.
BaseSolanawurkapi.funfrom $0.00129 endpoints - WworkflowsCrypto & DeFi
Imperium Multi-Agent A2A DAG Workflow Engine (x402): Executes multi-agent DeFi, Security, Web RAG, and B2B OSINT DAG workflows in a single x402 call.
Baseworkflows.agentdiet.devfrom Free6 endpoints - BBaseGuard AICrypto & DeFi
Deterministic pre-interaction report on a Base contract address: bytecode and hash, source verification, proxy and implementation storage slots, ownership and administrator control, mint, pause, blacklist and freeze capabilities, upgrade paths, token identity and supply, measured liquidity, block number and timestamp, evidence sources, and confidence with explicit limitations. Blockchain intellige
Base Sepoliawork-1-bcozevpyudcxmqdj.prod-runtime.all-hands.devfrom $0.051 endpoint - WhaleAlertCrypto & DeFi
Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis
Basewhale.lonestaroracle.xyzfrom $0.051 endpoint - Wwhale-momentumCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basewhale-momentum.agentdiet.devfrom Free5 endpoints - Wwhale-momentumCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basewhale-momentum-72343955726.us-central1.run.appfrom Free5 endpoints - CCrypto PreiseCrypto & DeFi
Aktuelle Coinbase-Preise fuer BTC, SOL und SHIB in USDC
Solanawerner.ddns.netfrom $0.0015 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.