Explore APIs
Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
- Projects
- 4.4K
- Paid endpoints
- 87K
- Paid calls · 30 days
- 885K
- Launched here
- 0
All projects
428 results
DeepCounterfeitCrypto & DeFiDeepCounterfeit pre-buy check for 8QtbrC9d3BezyCwzBFUQbNsWJGte7ckrZ7HWcn81pump (risk signals, informational only, not financial advice)
BaseSolanaPolygon+1deepcounterfeit.comfrom $0.011 endpoint- Aapi.borisinc.comOther services
No description yet.
BaseSolanaPolygon+1api.borisinc.comfrom $0.0011 endpoint - GGlobal WeatherData & research
Dew point from air temperature and relative humidity in C and F, with a human comfort class and condensation hint.
BaseSolanaPolygon+1weather-global.x402tookit.comfrom $0.021 endpoint - UUS Treasury MacroMarkets & finance
US Treasury official quarterly reporting exchange rate for a country's currency, with effective date and prior quarters.
BaseSolanaPolygon+1treasury-macro.x402tookit.comfrom $0.021 endpoint - SSpace WeatherData & research
Active sunspot regions on the Sun now: count, complex magnetic types that can flare, and recent flare counts.
BaseSolanaPolygon+1space-weather.x402tookit.comfrom $0.021 endpoint - GGoogle SERP Analysis for SEOImages, audio & video
Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features. Google SERP analysis for SEO and keyword research: ranking pages, featured snippet owner, PAA questions, related searches, and which SERP features appear (knowledge graph, AI overview, videos, shopping, local pack, ads), by country and language.
BasePolygonArbitrum+1serp.use.x402atlas.comfrom $0.151 endpoint - RRadio & RF CalcDeveloper tools
Convert power between dBm, dBW, mW and W, and the RMS and peak voltage across 50 ohms (or your impedance).
BaseSolanaPolygon+1radio-calc.x402tookit.comfrom $0.021 endpoint - PPortfolio StatsOther services
Rolling mean return and rolling annualized volatility over a window, from a price or return series you supply.
BaseSolanaPolygon+1portfolio-stats.x402tookit.comfrom $0.021 endpoint - PPhysics CalculatorsOther services
Blackbody radiation: Wien peak wavelength and frequency, Stefan-Boltzmann power per area, and total power for an area or sphere.
BaseSolanaPolygon+1physics-calc.x402tookit.comfrom $0.021 endpoint - EEU Trademark Search (EUIPO)Search & web
EU trademark search (EUIPO) — find registered and pending EU trademarks by name, optionally filtered by Nice class; returns trademark names, application numbers, status, owners, classes and key dates as clean JSON.
BasePolygonArbitrum+1euipo.use.x402atlas.comfrom $0.501 endpoint - CCrawl Pre-FlightSearch & web
Crawl pre-flight for a domain: will you be blocked, is content behind a paywall, and how much is actually there. Returns per-bot robots.txt verdicts for 16 AI crawlers, crawlable page count from sitemaps, detected CDN and paid-access signals (x402, TollBit), plus a fetch/skip recommendation. Call before spending requests on an unknown domain.
BasePolygonArbitrumcrawl-preflight.postnov01.workers.devfrom $0.021 endpoint - WWeb Page ExtractSearch & web
Fetch a public https page and return its HTML tables as header and row arrays, with captions and row/column spans resolved.
BaseSolanaPolygon+1web-extract.x402tookit.comfrom $0.031 endpoint
DevX Token Safety & HoneypotCrypto & DeFiHoneypot check, rug check and token safety check: is this token safe or a scam? Token verdict (safe/caution/danger), 0-100 token risk score and reasons. Chains: Base, Ethereum, Arbitrum, Optimism, Polygon, Robinhood Chain, Solana. Honeypot detector (EVM): simulated buy/sell with real tax. Rug check incl. Solana: owner, mint, blacklist, pause, proxy, mint/freeze authority, liquidity, holders, age.
BasePolygonArbitrum+2tokencheck.madebydevx.comfrom $0.011 endpoint- SSupplier CheckOther services
Screen a US-listed company by CIK: severe 8-K items, late-filing notices, going-concern wording, LEI status. Never says safe.
BaseSolanaPolygon+1supplier-check.x402tookit.comfrom $0.751 endpoint - SSun, Moon and PlanetsOther services
Sunrise, sunset, solar noon, three twilights, golden and blue hour for a lat/lon and date; handles polar day and night.
BaseSolanaPolygon+1sky-calc.x402tookit.comfrom $0.021 endpoint - Rrobotinsight.krSearch & web
Korean robotics industry intelligence, sold per query. Structured feed of Korea/Asia robot-sector news, analysis and KPIs - humanoids, physical AI, robot components (reducers, actuators, MEMS force-torque and tactile sensors), robot semiconductors, defense and logistics robots - written from Korean primary reporting and DART filings that English-language sources do not cover. Filter by date, regio
BasePolygonrobotinsight.krfrom $0.111 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 - BbananabreadSocial & people
Consumer sentiment for a food, drink, supplement, skincare or beauty product: what shoppers say about it on Amazon, TikTok, Reddit, YouTube, Instagram, Walmart and more, grouped into what they love, wish for and complain about, with verbatim quotes and source links. The response holds the product id and a read_token; the report is ready a few minutes later at GET /v1/products/{id}/consumer-sentime
BasePolygonproduct-api.bananabread.aifrom $0.991 endpoint - Mmobilitychain.krCrypto & DeFi
Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, c
BasePolygonmobilitychain.krfrom $0.141 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 - Jjeonjang.krCrypto & DeFi
Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per query. Structured feed of Korean auto-electronics news, analysis and KPIs - software-defined vehicles, ADAS, automotive semiconductors, in-vehicle networking, power electronics, and the Hyundai/Kia, Mobis, LG and HL Mando supply chains - written from Korean primary reporting English-language sources do not cover.
BasePolygonjeonjang.krfrom $0.121 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 - Ddlf-gateway.agentlabel.workers.devImages, audio & video
DLF agent API key — $0.10 unlocks 10,000 mcents (1:1 starter) + $0.05 activation bonus unlockable by labeling 5 images
BaseRobinhood ChainPolygon+1dlf-gateway.agentlabel.workers.devfrom $0.101 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- Aapi.datanexusai.orgData & research
Eurostat Comext trade facts (value and quantity).
BasePolygonArbitrumapi.datanexusai.orgfrom $0.013 endpoints - AAgent HubCrypto & DeFi
JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agents.torbrooknews.comfrom $0.0011 endpoint
Citiview Agent MarketCrypto & DeFiJSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agents.citiviewgroup.comfrom $0.0021 endpoint
AgentRXICrypto & DeFiJSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.
BasePolygonArbitrum+1agentrxi.comfrom $0.0021 endpoint
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.