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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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SitePulseOther servicesHas this place been built on or cleared in the last 12 months? Sentinel-2 satellite change detection for any lat/lon: NDVI/NDBI deltas, change direction, confidence and the scene-by-scene evidence.
BaseSolanasitepulse.waltsoft.netfrom $1.501 endpoint
SearchPulseSearch & webGrounded web search: question → answer + citations, powered by Bedrock Web Search.
BaseSolanasearchpulse.waltsoft.netfrom $0.251 endpoint- RRe:TCG AppraiseCrypto & DeFi
Pokémon card appraisals, $0.02 a call in USDC on Arc, Base, Polygon or Solana. Raw and every PSA/BGS/CGC/SGC grade in 9 currencies, each with source, sample size and dates; set momentum, projections, PnL net of marketplace fees, break-even; EIP-712 signed. No basis, no number.
EVM chain 5042BasePolygon+1retcg.xyzfrom $0.021 endpoint - JJobs SearchSearch & web
Job search — find current openings by role, skill or company with location, salary, schedule, qualifications and direct application links.
BasePolygonArbitrum+1jobs.use.x402atlas.comfrom $0.051 endpoint - Iimg402.devImages, audio & video
Upload an image with payment and get a public URL. Accepts multipart form-data (field 'image') or JSON {"file": "<base64>"}. 10MB max, permanent hosting (no expiration). PNG, JPEG, GIF, WebP.
BaseSolanaimg402.devfrom $0.011 endpoint - HHTTP Header CheckerData & research
Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.
BaseSolanahttp-header-checker.underscoredone.comfrom $0.011 endpoint - GridPulseOther services
US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions
BaseSolanaEVM chain 5042grid.lonestaroracle.xyzfrom $0.032 endpoints - Ffalcon.sol structuresCrypto & DeFi
falcon.sol structures: structured-note pricing for crypto. Send a JSON term sheet (autocallable, barrier reverse convertible, range accrual, principal-protected, shark fin) on BTC, ETH or SOL; get the fair coupon or participation, probabilities (autocall per observation, knock-in, loss), greeks, a spot x vol scenario grid and payoff-diagram data. Monte Carlo on live Deribit implied vol. Free previ
SolanaBasefalcon-structures.vercel.appfrom $0.021 endpoint - AAI Web ExtractorSearch & web
AI Web Extractor — turn ANY url into clean, LLM-ready markdown. POST {url}; get the main content as markdown (boilerplate/nav/ads stripped) with title, description, and links. The scrape / read / url-to-markdown primitive for RAG and research agents. Fast, cheap, x402-native.
BaseSolanaextract.vevang.comfrom $0.011 endpoint
EscrowPulseCrypto & DeFiTrustless USDC escrow for AI agents. Lock funds for a task, pay the worker when the principal approves, or dispute and refund. Solana settlement, no accounts.
BaseSolanaescrowpulse.waltsoft.netfrom $0.021 endpoint- EEdge Agents AICrypto & DeFi
Euro Area M3 from official ECB statistics, normalized for autonomous-agent use with explicit source timing, evidence and limitations. Purpose: give an agent the latest available euro area m3 with recent official history and source timing 24-hour freshness target; missing evidence is reported explicitly rather than invented.
BasexrplSolana+2edge-agents.aifrom $0.011 endpoint
DNSPulseDeveloper toolsDomain & DNS intelligence — records, SSL certs, subdomain discovery.
BaseSolanadnspulse.waltsoft.netfrom $0.0051 endpoint- Ddeposit.nowCrypto & DeFi
Open x402 funding rail: POST target+amount or provision:true+label+amount; pay 0.25% (min $0.001, max $0.25) via x402 on Base or Solana; net forwarded on the same chain. Optional managed child wallets (CDP, Base only). Optional public receipt when storage is configured.
BaseSolanadeposit.nowfrom $0.011 endpoint
DataPulseData & researchNOAA HRRR 3km weather forecast at any CONUS coordinate. Returns temperature, dew point, wind, precipitation, and cloud cover for up to 18 forecast hours.
BaseSolanadatapulse.waltsoft.netfrom $0.501 endpoint- Ccrypto.penguindriver.comCrypto & DeFi
165 涉詐網址比對(付費版)
BaseSolanacrypto.penguindriver.comfrom $0.011 endpoint
YourAITools CreditsCrypto & DeFiPrepaid API credits (sample pack). Prepaid credits for the YourAITools agent APIs: one x402 payment of $0.005 USDC mints an API key holding $0.005 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once.
BasePolygonArbitrum+1credits.agentgate.workers.devfrom $0.0051 endpoint- Cclawg.networkCrypto & DeFi
A registry of token records with a build log. A record is written only by the token's provable controller (on Solana: the pump.fun curve creator or the mint's update authority) and every version carries that ed25519 signature, so a reader verifies against the chain, not a directory. One $0.02 x402 write in USDC on Base, Polygon, Solana or Arc; reads, pages, log and OpenAPI are free.
BasePolygonSolana+1clawg.networkfrom $0.021 endpoint
Tanod chainpeekCrypto & DeFichainpeek (Tanod) Solana SPL token mint info: supply, decimals, authorities. Read-only. Use when an agent needs an SPL token mint's supply, decimals and authorities on Solana.
BasePolygonSolana+2chain.tanod.devfrom $0.0021 endpoint- CCanaryGuard 402Crypto & DeFi
Deterministic prompt-injection firewall and honeypot scrubber for AI agents. Sanitizes untrusted text and blocks detected wallet-draining commands before context ingestion.
BaseSolanacanaryguard-402.onrender.comfrom $0.0135 endpoints - BBaitBusterCrypto & DeFi
Pre-buy rug / honeypot check for one token (Robinhood Chain, Base, Solana)
BaseSolanabaitbuster.lonestaroracle.xyzfrom $0.101 endpoint
Web Page Proof (Signed)Crypto & DeFiSigned proof of what a web page said: give a URL, get its text, screenshot and TLS details with a timestamped cryptographic signature anyone can verify.
BaseSolanaattest.tollkit.devfrom $0.051 endpoint- Aapi.x402.printmoneylab.comCrypto & DeFi
Single buyer wallet's 8-label classification with confidence, all services used, and transaction patterns.
BaseSolanaapi.x402.printmoneylab.comfrom $0.0051 endpoint - Aapi.trustboost.devOther services
PII sanitization — pay-per-call entry point
BaseSolanaapi.trustboost.devfrom $0.011 endpoint - Zzero-daydynamics.comOther services
Username enumeration across major platforms (native Sherlock-style sweep).
SolanaBasezero-daydynamics.comfrom $0.154 endpoints - YYRUZAI & agents
YRUZ Site Audit: Website audit in one call: TLS certificate, security headers, HTTPS redirect, HTTP/2 and HTTP/3, compression, response time, redirects, SEO tags and AI-agent readiness (llms.txt, robots rules for AI bots, sitemap, structured data). Scores 0-100 per area with concrete fixes.
Solanayruz.onefrom $0.00221 endpoints - Xx402email.comOther services
No description yet.
Solanax402email.comfrom $1.001 endpoint - Xx402api.vercel.appOther services
No description yet.
Solanax402api.vercel.appfrom $0.021 endpoint - Xx402.memento.moneyOther services
No description yet.
Solanax402.memento.moneyfrom $5.001 endpoint - Xx402.disputetracker.xyzOther services
No description yet.
Solanax402.disputetracker.xyzfrom $0.0015 endpoints - Xx402.atomicstream.netOther services
No description yet.
Solanax402.atomicstream.netfrom $0.152 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.