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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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2,879 results- BBatcave Agent ServicesAI & agents
Run supplied Python files in a disposable isolated environment and return execution evidence and requested artifacts. Use when you need to execute untrusted Python code, run tests, reproduce a failure, or collect stdout/stderr and generated artifacts without giving the code network, GPU, or host access.
SolanaBasebatcave-x402-gateway.darriel9.workers.devfrom $0.0032 endpoints - BBaseYieldCrypto & DeFi
Returns DefiLlama Base yield pools matching an asset symbol, ranked by reported APY.
Basebaseyield-x402.vercel.appfrom $0.011 endpoint - BBaseGasOther services
Returns current Base EIP-1559 gas tiers and congestion metrics.
Basebaseshield-x402-ojil.vercel.appfrom $0.011 endpoint - BBasePriceCrypto & DeFi
Returns observed Base token USD price with provider and liquidity provenance.
Basebaseprice-x402.vercel.appfrom $0.011 endpoint - BBaseNFTOther services
Floor pricing unavailable: no marketplace provider configured; returns 503 without settlement.
Basebasenft-x402.vercel.appfrom $0.011 endpoint - BBaseNameData & research
Resolves ENS/Basename to an address using cached ENS Ideas data.
Basebasename-x402.vercel.appfrom $0.011 endpoint
BaseLensOther servicesCurrent Base gas: base fee, gas price, suggested EIP-1559 max fee and priority fee (gwei), block fullness, and cost of a plain ETH transfer.
Basebaselens-api.vercel.appfrom $0.0011 endpoint- Bbase-token-snapshot-20261010.genial-clove-9914.chatgpt.siteCrypto & DeFi
Base ERC-20 token market snapshot: up to ten DEX Screener trading pairs ranked by USD liquidity, with pair price quotes, 24-hour volume and buy/sell counts, price changes, on-chain contract metadata, and GoPlus risk flags, buy/sell/transfer taxes, and reported largest-holder shares. Sources and retrieval times are included. Missing or unavailable data is not evidence of safety; this API gives no c
Basebase-token-snapshot-20261010.genial-clove-9914.chatgpt.sitefrom $0.011 endpoint - Bbase-token-safety-x402.grokbot-hk.workers.devCrypto & DeFi
Base token safety snapshot: heuristic on-chain scan of an ERC-20 on Base (bytecode/proxy check, ERC-20 metadata, risky-function selector scan, owner/renounce check, Uniswap v3 / Aerodrome pool + liquidity discovery, best-effort sell simulation). Public RPC data only. Heuristic, not financial advice.
Basebase-token-safety-x402.grokbot-hk.workers.devfrom $0.011 endpoint - Bbase-sentinel-production.up.railway.appCrypto & DeFi
Cryptographic hash of a text string - sha256 (default), sha512, sha1 or md5 - returned as hex and base64. Use it for content fingerprints, integrity checks and deterministic ids; pure computation, instant.
Basebase-sentinel-production.up.railway.appfrom $0.0011 endpoint - NoHands AICrypto & DeFi
Run BlockchainSecurity multi-hop fund-flow tracing from a starting address through an x402 paid wrapper.
Basebase-agent-preflight.bytoken2023.workers.devfrom $0.00162 endpoints - BbadhttpOther services
badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose.
Basebadhttp.devfrom $0.011 endpoint - Bbackup.ragradar.spaceOther services
No description yet.
Basebackup.ragradar.spacefrom $0.00112 endpoints - Aazimuth.dayOther services
List the paying account’s receiver nodes with status and points. Returns live nodes only by default; pass include_inactive=true to return every node including decommissioned ones, each with an added liveness field derived from the most recent heartbeat or observation (online | offline | never | decommissioned).
Baseazimuth.dayfrom $0.0011 endpoint - Aaxixixia.vercel.appOther services
No description yet.
Baseaxixixia.vercel.appfrom $0.018 endpoints - AAxiom Swap GuardCrypto & DeFi
Is this Solana token safe to buy? CLEAR / CAUTION / AVOID pre-swap verdict: authorities, Token-2022 extensions, holder concentration, liquidity, pair age, plus a live Jupiter sell-route and price-impact check at ?sizeUsd (default 100).
Baseaxiom-token-risk.jake-ea.workers.devfrom $0.011 endpoint - Aaxiaxai.vercel.appOther services
No description yet.
Baseaxiaxai.vercel.appfrom $0.0111 endpoints - Automaton Paid APIAI & agents
Summarize supplied text faithfully in at most 100 words and return JSON. Use when an agent needs concise compression of a document, article, log, or message of 1-2,000 characters.
Baseautomaton-paid.sharkquant.aifrom $0.0012 endpoints - Aautomatom.matt-d59.workers.devImages, audio & video
Wikipedia lookup: searches a topic and returns the best-matching article's title, short description, plain-text summary, URL and thumbnail, plus other matching titles (lang= for other Wikipedias, default en). Text CC BY-SA 4.0.
Baseautomatom.matt-d59.workers.devfrom $0.0139 endpoints - Aaura.adex.networkAI & agents
Fetch portfolio balances and LLM-generated strategies
Baseaura.adex.networkfrom $0.0014 endpoints - AAtlas Probability IntelligenceMarkets & finance
Low-cost Bitcoin (BTC) 60-minute / 1-hour higher/lower probability, expected return, freshness, and model metadata for autonomous agents.
Baseatlas-probability-api-production.up.railway.appfrom $0.0052 endpoints - Aastro.dutchdata.ioData & research
Location data
Baseastro.dutchdata.iofrom $0.018 endpoints - Aaster-vale-audit402.shares.zrok.ioData & research
Free zero-charge live sample returning five findings plus the purchase link for a $0.002 Audit402 report with implementation-ready remediation artifacts.
Baseaster-vale-audit402.shares.zrok.iofrom Free1 endpoint - Aassetfactory-jobs-x402.sigrunner.workers.devDeveloper tools
Jobs read live from each company's own board at request time — every role is authoritatively OPEN NOW, not a stale resold-database snapshot. Each row carries structured depth: parsed geography (location_parsed), canonical employment_type, mapped seniority, extracted requirements (skills / min-years / education) and a ghost_candidate flag for likely evergreen/unfilled listings. Company-domain auto-
Baseassetfactory-jobs-x402.sigrunner.workers.devfrom $0.0027 endpoints - AassayAI & agents
Assay Live Endpoint Security & Schema Auditor: Audits live A2A, MCP, and x402 endpoints for schema conformance, latency, and payment integrity.
Baseassay.agentdiet.devfrom Free2 endpoints - AassayAI & agents
Assay A2A & MCP Pre-Flight Security Audit & TDQS Certification ($0.005 Base USDC)
Baseassay-207908449630.us-central1.run.appfrom Free1 endpoint - Aascii-x402-production.up.railway.appImages, audio & video
Convert an uploaded image into terminal-friendly ASCII art.
Baseascii-x402-production.up.railway.appfrom $0.0011 endpoint - Aarxiv.scrapemole.workers.devSearch & web
Use when you need to discover arXiv e-prints by keyword, title, author or field query: pass any arXiv search_query string (e.g. "transformer attention", "au:vaswani", "ti:\"attention is all you need\"", "cat:cs.LG AND all:diffusion"). Returns up to 25 papers with id, title, summary, authors (names + affiliation without emails), primary category, categories, published/updated, comment, journal ref,
Basearxiv.scrapemole.workers.devfrom $0.0024 endpoints - Aarxiv-digestCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basearxiv-digest.agentdiet.devfrom Free5 endpoints - Aarxiv-digestCrypto & 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.
Basearxiv-digest-72343955726.us-central1.run.appfrom Free5 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.