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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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4,150 results- Aagri.halowerk.comDeveloper tools
Computes the observed germination rate and a Wilson score interval from germinated and tested counts using a supplied normal critical value. It does not correct sampling bias, test vigor, identify disease or predict field emergence.
Baseagri.halowerk.comfrom $0.00210 endpoints - Ccontractlens-api.appin60.comCrypto & DeFi
Live EIP-1559 gas on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB: base fee, slow/standard/fast priority tiers from the last 20 blocks, ready-to-use maxFeePerGas values, and estimated cost of an ETH transfer, ERC-20 transfer, approve and Uniswap swap.
BaseArbitrumcontractlens-api.appin60.comfrom $0.0016 endpoints - CCompliancePulseSearch & web
Who is this company, officially? Global LEI lookup and legal-entity search against GLEIF, the ISO 17442 registry behind KYB, MiFID and EMIR reporting. Verify an LEI's checksum and registration status, or search 2.9M+ entities by name and country to find the right identifier. Flags LAPSED, DUPLICATE and RETIRED registrations that a naive first-hit lookup would wire into a KYB record. Deterministic:
BaseSolanaPolygon+8compliancepulse.theaslangroupllc.comfrom $0.0113 endpoints - TTrending Topics (Wikipedia)Search & web
What is trending right now: the most-read Wikipedia articles for a language and day (default yesterday UTC), with views and rank, cleaned of the Main Page, special and other non-article pages. A daily signal of trending topics, breaking news and current events in 300+ Wikipedia language editions. Suited to trend discovery, news monitoring and content ideas.
BaseSolanaattention-trends.shopttyass-85f.workers.devfrom $0.0056 endpoints - Zzaref.devOther services
South African Fuel prices (Current SA retail/wholesale fuel prices: petrol 93/95 (inland & coastal), diesel 50ppm, illuminating paraffin. Rand per litre.) Clean cited JSON with official source URL, effective date and freshness flag.
Basezaref.devfrom $0.0056 endpoints
Verif Entreprise FRSocial & peopleFind a French company's SIREN from its name, optionally filtered by postcode or INSEE commune code. Returns up to 10 matches (name, status, NAF code, city, creation date), no personal data. First step before KYB / supplier verification of a French company.
BaseSolanaapi-production-24833.up.railway.appfrom $0.0024 endpoints- PPhoenix Zero L2 Health OracleCrypto & DeFi
Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base and Arbitrum via eth_getBlockReceipts), gas pressure, and execution recommendation.
BasePolygonArbitrumrtt.phoenix-ai.workfrom $0.014 endpoints - DDebtPulseAI & agents
Debt collection rights and consumer-protection laws (FDCPA / FCRA). Covers US FDCPA and FCRA, UK FCA, and Australia ACCC protections by country, with complaint resources. For consumer-rights and debt-relief agents.
BaseSolanaPolygon+8debtpulse.theaslangroupllc.comfrom $0.0516 endpoints - AAARN Web ReadAI & agents
Read one public web URL and convert its webpage content to clean Markdown or plain text. Removes HTML boilerplate and returns LLM-ready text for AI agents, RAG context, research and summaries. One URL per paid request.
Baseapi.aarn.spacefrom $0.0022 endpoints - EExchange Trading CalendarMarkets & finance
Use when an agent needs to know if a stock exchange trades on a given day (default today) before scheduling orders, reports or alerts. 28 exchanges incl. NYSE, Nasdaq, LSE, Xetra, Euronext, SIX, Tokyo, HKEX, Shanghai, ASX. Returns holiday name, hours in local time + UTC, half days, lunch breaks, pre/after-market (Nasdaq, Xetra), live status, next open/close, previous/next trading day. Official exc
Basehandelskalender-api.pages.devfrom $0.0023 endpoints - AAgent GuildAI & agents
Agent Guild paid read (fraud_check): collusion suspicion scores, reasons and cluster identifiers Use when an autonomous agent needs to: list agents at or above a minimum collusion suspicion score; review flagged agents and their collusion suspicion reasons.
Baseagent-guild-5d5r.onrender.comfrom $0.0052 endpoints
x402checkCrypto & DeFiCheck a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.
BasePolygonArbitrum+3x402check.xyzfrom $0.00352 endpoints- Aapi.hyperd.aiSocial & people
Composed DAO governance translator. Takes a Snapshot or Tally proposal URL, fetches structured data + summary via /api/governance/summarize, then produces a 2-3 sentence plain-language translation + domain band (economic_param / treasury / code_upgrade / governance_meta / social_signal). 1-year cache — proposals are immutable.
Baseapi.hyperd.aifrom $0.057 endpoints - PPower Strip SecurityAI & agents
Prompt-injection scanner for content your agent is about to read. Returns a risk score (0-1), a level (low/medium/high), findings and the cleaned text wrapped as untrusted data (hidden text, invisible characters, data-exfiltration links, instruction-override phrases in 13 languages). Deterministic. Content is scanned in memory and never stored. Not charged if it fails. Also: /v1/read $0.005, /v1/s
Baseapi.powerstripsecurity.workers.devfrom $0.0024 endpoints
PickleCheckCrypto & DeFiPickleCheck endpoint check: is it safe to pay this x402 endpoint? Reads its payment offer and pay-to wallet (sanctions, Circle blocklist, changed pay-to, history, buyers) before you pay. It looks, never pays; unreachable or bad input are not charged.
Basepicklecheck.onrender.comfrom $0.0052 endpoints
Usaref - N America referenceSocial & peopleCentral-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 10 North American countries including United States, Canada, Mexico; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for CA, MX, US. JSON with value, unit, effective date, official source URL and last_confirmed; a country with n
Baseusaref.devfrom $0.0025 endpoints- Ccleared.inkImages, audio & video
Wan Text-to-Video Job (480p)
BaseSolana Devnetcleared.inkfrom $0.011 endpoint
Lumi Market IdeasCrypto & DeFiLumi Market Ideas (educational, not financial advice). Rule-based technical read for one of 51 large-cap crypto assets (XRP, BTC, ETH and more): label (Strong Buy to Strong Sell) and score, 1h/4h/1d labels, indicator summary (RSI, MACD, EMA stack, Bollinger, StochRSI, volume) and price with 24h change. From public exchange candles; 1h refreshes about every 13 min. Paper-trade analysis, not investm
Basexrplstellarapi.lumitrades.iofrom $0.00413 endpoints- Xx402.creative-tim.comOther services
View component code after payment
Basex402.creative-tim.comfrom $0.012 endpoints - Xx402helper.xyzOther services
Find US court cases, opinions and dockets naming a business, with case name, court, date, citation, docket number and nature of suit.
SeiBaseSolana+2x402helper.xyzfrom $0.0016 endpoints - Sscdoscan.ioAI & agents
SCDO GPU Share - 1 GPU task credit (~30 s slot, llama_cpp/blender_render; K=2 verified); failed task -> credit refund. 0.56 USDC on Base, cost-plus priced by an SCDO AI Ledger agent (9Y9 PTY LTD, Australia).
Basescdoscan.iofrom $0.5623 endpoints - DDomain IntelCrypto & DeFi
Resolves A, AAAA, MX, NS, TXT, CAA and SOA, reads the WHOIS record of the responsible registry, checks SPF, DMARC and known DKIM selectors, opens a TLS handshake for issuer, validity, chain and SAN list, and collects subdomains from Certificate Transparency. Fields that a registry refuses to answer are reported as unknown, never guessed.
Basedns.halowerk.comfrom $0.00311 endpoints - Ssimilarity.openverbs.comCrypto & DeFi
Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.
Basesimilarity.openverbs.comfrom $0.00210 endpoints - Eenergybilltoolkit.co.ukSearch & web
Place Distance tool: Search for places by name — returns coordinates, population, country, and admin region.
Baseenergybilltoolkit.co.ukfrom $0.00113 endpoints - MMiniFrame ToolsImages, audio & video
Use when a Brazilian postal code needs to become a real address — filling a form, validating a delivery, completing a customer record. JSON body { cep } (8 digits). Returns street, complement, neighborhood, city and state (UF). Queries BrasilAPI first and falls back to ViaCEP automatically, so one upstream outage does not fail the task; both sources return the same normalized shape. CEP is postal/
Basetools.miniframe.com.brfrom $0.0056 endpoints - Ppercallapi.comOther services
Inspect telecom carrier, network codes, and line type (mobile vs. landline vs. VoIP burner fraud detection) via Twilio. Provide ?phone=+14157012311.
Basepercallapi.comfrom $0.015 endpoints - GGamePulseImages, audio & video
Esports match schedule for esports and esports-betting agents. Returns today's matches with team context and storylines across LoL, Valorant, and CS2.
BaseSolanaPolygon+8gamepulse.theaslangroupllc.comfrom $0.0511 endpoints
PowaHubMarkets & financeProvides market value prices for numismatic coins.
Baseapi.powahub.aifrom $0.005110 endpoints- KKronos BTC ForecastCrypto & DeFi
Kronos BTC price forecast (latest, from the live HUD). Experimental/informational only — not financial advice.
Baseapi.nexismvp.comfrom $0.0018 endpoints - SSite ClimateData & research
Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.
BaseSolanaPolygon+1site-climate.x402tookit.comfrom $0.029 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.