Explore APIs
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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Search & web
79 results- Wwin.oneshotagent.comSearch & web
Read a web page and extract content as markdown with screenshot
Basewin.oneshotagent.comfrom $0.00185 endpoints
ExaSearch & webExa /search endpoint
BaseSolanaEVM chain 480+1api.exa.aifrom $0.0012 endpoints- SStableTravelSearch & web
Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.
SolanaBasestabletravel.devfrom $0.00459 endpoints
SEO Keyword Ideas and DifficultySearch & webKeyword ideas for a seed keyword, each with Google search volume, CPC, competition, keyword difficulty and search intent; up to 100 ideas in one $0.04 call (Google Ads data). Use when you need related keywords to target. volume = avg monthly searches, cpc in USD, competition 0-1, difficulty 0-100. No ideas returns empty results (still charged). Bad input is free; upstream errors are not charged.
Basekeywords.duoleads.comfrom $0.036 endpoints
BitrefillSearch & webSearch 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.
BaseArbitrumPolygon+2api.bitrefill.comfrom $0.0018 endpoints- Aapi.you.comSearch & web
You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, cha
BaseSolanaapi.you.comfrom $0.0052 endpoints - SSiteCheck Health & TravelSearch & web
Live Bring a Trailer auctions (collector cars, motorcycles, parts), optionally filtered by words in the title (e.g. porsche 911) or no-reserve only: title, model year, current bid with currency, auction end time, no-reserve flag, country and listing URL, soonest-ending first, from BaT's public auctions page.
BaseSolanaEVM chain 5042+9api.healthtravel-api.workers.devfrom $0.002121 endpoints - Aagentbit.appSearch & web
Web search API for AI agents — find current information, news, documentation, competitors, prices or any fact that needs a fresh, citable source. Pay-per-call, no API key. Returns ranked results with title, URL, snippet, publish date and source from neural + keyword search over the live web, with automatic provider failover. Use when an agent asks: search the web, look up the latest on a topic, fi
BasePolygonArbitrum+2agentbit.appfrom $0.00197 endpoints - Aapi.apify.comSearch & web
Apify Store is the largest marketplace of tools for AI agents. Extract data from any website and automate your workflows with thousands of scrapers, crawlers, and automation tools called Actors.
Baseapi.apify.comfrom $1.005 endpoints - Xx402.browserbase.comSearch & web
Fetch a page and return content, headers, and metadata. $0.01 per request.
BaseSolanax402.browserbase.comfrom $0.0112 endpoints - Aapi.signalfuse.coSearch & web
Web search via Brave Search API
Baseapi.signalfuse.cofrom $0.00132 endpoints - Aagenttoll.devSearch & web
Search USPTO trademark database. Returns mark, owner, filing date, status, registration number, goods/services classes.
BaseSolanaagenttoll.devfrom $0.026 endpoints - Aagent.connskill.comSearch & web
Keyword suggestions for a seed keyword, with search volume and CPC
Baseagent.connskill.comfrom $0.00528 endpoints - Aapi.craigmbrown.comSearch & web
Fast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The quick-scan tier below research.topic-deep-researcher's slow... | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-bui
BaseX Layerapi.craigmbrown.comfrom $0.0134 endpoints - TToll402Search & web
Offline validator for a Danish CVR-nummer (8-digit business registration number issued by the Danish Business Authority). Normalizes input to digits only, checks length and computes a modulus-11 checksum using weights 2,7,6,5,4,3,2 on the first 7 digits compared against the 8th check digit. Result is flagged as best-effort since some legacy CVR numbers do not conform to the checksum rule.
Basetoll402.devfrom $0.00144 endpoints
Retriever AISearch & webOpens each URL in a cloud browser and returns one tab per URL, in input order, with the title, content type, extracted text, the accessibility tree and a link map. Results over the inline size limit return a preview per tab plus a download reference. Each call is one request.
Baseagents.rtrvr.aifrom $0.0511 endpoints- AAgentic ReservationsSearch & web
Live restaurant wait times from camera-based crowd data. One call lists every monitored location with its slug, open status, current crowd count, and wait in minutes.
BaseSolanaagentic-reservations.vercel.appfrom $0.012 endpoints - Xx402 FunSearch & web
A fortune cookie: one short, upbeat fortune (80 written for this service) and six lucky numbers from 1 to 49. Give a seed for a repeatable draw.
Basefun.kagurazaka.devfrom $0.0017 endpoints
FindMyDirectDoctor Directory APISearch & webUS direct primary care (DPC), concierge and cash-pay doctor directory with published adult monthly membership prices. Search by ZIP code, city and state, or latitude/longitude within a radius. Filter by language, telehealth, home visits, accepting new patients, specialty, credential, board certification, practice model and maximum monthly price. Returns practice, clinician, address, phone, website
Baseapi.findmydirectdoctor.comfrom $0.0138 endpoints- SScrapeCheckSearch & web
Checksum tier (deterministic, no LLM): verifies the exact bytes served at a public URL hash to a claimed sha256, by independent double re-fetch. Use it to confirm a download or artifact matches its published checksum. Bodies up to 3 MB; dynamic pages return unverifiable, never a guess. sha256 only. First 100 checks per client are free: resend with header X-Use-Free-Allowance: yes and no payment to
BasePolygonSolanascrapecheck.fly.devfrom $0.0026 endpoints - JJMT WHOIS RDAPSearch & web
Raw RDAP registration record for a domain, returned as structured JSON.
Basejmt-x402-proxy.jmthomasofficial.workers.devfrom $0.0026 endpoints - AAgentReaderSearch & web
DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain and get structured JSON answers with TTLs. Useful for domain research, email validation and infrastructure checks.
Baseagent-reader.agent-reader.workers.devfrom $0.0033 endpoints - Aagent.halowerk.comSearch & web
Searches the public x402 discovery catalogue for services able to replace a broken dependency. Give the failed URL and, better still, a short description of what it did and the fields you need back; matches are scored on overlap between your task words and the candidate name, description and path, then ordered by score and price. Every hit carries the reason it matched, its price in USDC, its netw
Baseagent.halowerk.comfrom $0.00124 endpoints - GGeo CalcSearch & web
Bounding box (min/max latitude and longitude) enclosing a radius in meters around a point, with pole and 180 degree handling.
BaseSolanaPolygon+1geo-calc.x402tookit.comfrom $0.0212 endpoints - Aads.forgemesh.ioSearch & web
Returns network-wide totals: total x402 events, service count, and a UA classification breakdown (agent vs browser vs bot). Use it to benchmark your service's agent-traffic share against the network.
Baseads.forgemesh.iofrom $0.0054 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
NewstexSearch & webNewstex MCP Network: metadata-only trending story search across all licensed publications.
Basemcp.newstex.comfrom $0.013 endpoints- AAgentic ReservationsSearch & web
Restaurant recommendations from the Blackbird network (~2,000 curated restaurants, mostly NYC and San Francisco). Full-text search plus city/neighborhood filters, with complete specials on every result, refreshed daily from a cache (never a live call) — e.g. every West Village restaurant with its current Fly-reward offers in one call.
BaseSolanaagentres.devfrom $0.014 endpoints - SSpecies and BiodiversitySearch & web
Parse a scientific name into genus, species epithet, subspecies or variety, authorship and year, and check capitalisation.
BaseSolanaPolygon+1biodiversity.x402tookit.comfrom $0.028 endpoints - LLicense IntelSearch & web
Check a list of license ids against SPDX: current, deprecated or unknown, with the modern GNU -only / -or-later form.
BaseSolanaPolygon+1license-intel.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.