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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Search & web
367 results- BBC Childcare RegisterSearch & web
BC Childcare Register: buy one current structured obligation record with original-source citations. Find a relevant ID first with free search at https://getregisters.com/api/v1/agent-search?feed_id=bc-childcare, then buy its agent_offer.url. Current full structured version at purchase; no history or future updates. Licence: https://getregisters.com/agent-licence.html
Basebcchildcare.getregisters.comfrom $0.0052 endpoints - Aapi.proxyllm.aiSearch & web
LLM cost scout: send your monthly OpenAI API spend in USD and get back the flat ChatGPT/Codex subscription tier that absorbs it through the ProxyLLM gateway, the exact new monthly total and savings, the live model catalog, and machine-readable signup steps an agent can complete autonomously (email OTP, no browser).
Baseapi.proxyllm.aifrom $0.0051 endpoint - FFoundations ElementsSearch & web
Foundations Elements search
Basefoundations.tensegrity.worksfrom $0.021 endpoint - TTrialBase DBSearch & web
Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text.
Baseapi.trialbase-db.orgfrom $0.101 endpoint - Zzlurp.aiSearch & web
Scrape any public URL to clean markdown
Basezlurp.aifrom $0.0051 endpoint - WWorkBrain Decision IntelligenceSearch & web
Inspect the latest reviewed cyber event with public sources, affected entities, confidence, freshness, decision significance, and evidence-bearing relationships in structured JSON
Baseworkbrain.allthedills.comfrom $0.011 endpoint - PParse a User-AgentSearch & web
Break a User-Agent string into browser, engine, operating system (each with a version) and device type. Unidentifiable components are reported as null.
Baseuseragent.openverbs.comfrom $0.0023 endpoints
url2mdSearch & webPDFs, JavaScript pages and ordinary HTML as clean Markdown. Pays a page's x402 toll for you. Follows robots.txt.
Baseurl2md.iofrom $0.0051 endpoint- Ssource-claim-proof.mattskowronis.workers.devSearch & web
Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search.
Basesource-claim-proof.mattskowronis.workers.devfrom $0.011 endpoint - SShopify AI Rank CheckerSearch & web
Checks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Grok, and Copilot search for products, and reports the store's rank and its closest competitors. Searches Shopify's real Global Catalog - the same product index AI assistants read from.
BaseSolanashopify-ai-rank-checker.underscoredone.comfrom $0.011 endpoint - CConstant listSearch & web
List every physical constant in the dataset, or only those in a given category (universal, adopted, electromagnetic, atomic, physico-chemical). Returns the constants, the total count and the set of available categories.
Basephysics.openverbs.comfrom $0.0043 endpoints - SSearch ISO registriesSearch & web
Fuzzy-search countries, currencies and languages by name or code. Scope with `registry` (defaults to all). Matches are ranked exact-code/name → prefix → substring.
Baseiso.openverbs.comfrom $0.0024 endpoints - Ffoi.itsthesheet.caSearch & web
Full-text search of published British Columbia FOI release packages.
BaseSolanafoi.itsthesheet.cafrom $0.011 endpoint - Aapp-446.hdgregory.comSearch & web
Scrapes a URL and returns structured JSON: title, meta tags, headings, paragraphs, links, tables, extracted emails and phone numbers, and word counts. Accepts a single 'url' or a list of 'urls' for batch scraping. Includes retry logic and anti-detection headers.
Baseapp-446.hdgregory.comfrom $0.0051 endpoint
Agent PaywireSearch & webCheck whether a public URL exposes L402, x402, or MPP discovery. Send url as a query parameter. POST JSON {"url":"https://..."} is the same check. Two free reports per client per 24 hours, then 0.05 USDC. A request without url is the payment challenge and does not use a free report.
Baseapi.agentpaywire.comfrom $0.018 endpoints- Aagents.thirdmade.netSearch & web
Scrape any public web page and get clean structured JSON (title, text, meta). Pay per call with USDC on Base.
Baseagents.thirdmade.netfrom $0.011 endpoint
web-extractSearch & webExtrae el contenido de una URL y lo devuelve limpio en Markdown/HTML para el contexto de un LLM.
BasePolygonxl402.agentsats.orgfrom $0.021 endpoint- AAgent News HubSearch & web
Groups managed news feeds into events when an agent needs a compact news briefing. Supply topic, language, time window and result limit using the published schema. Returns headlines, a short abstract, first-report time, reporting-source counts and citations. Coverage is limited to the managed feed set; source count is not independent confirmation. Third-party article bodies are never returned.
Basenews.halowerk.comfrom $0.0021 endpoint - NNearest airports to coordinatesSearch & web
Find the airports nearest to a latitude/longitude, ordered by great-circle distance. Optionally cap the search radius (km), result count and airport type. Returns each airport with its distance in km.
Baseairport.openverbs.comfrom $0.0023 endpoints - NNodely SearchSearch & web
Web search: one query fanned out to 4 search engines (alpha, gamma, delta, epsilon) via SearXNG, merged and ranked; JSON, NDJSON or SSE stream.
BaseEVM chain 5042algorand+1x402.api.nodely.iofrom $0.0092 endpoints - Ssearch-toll-production.up.railway.appSearch & web
Web search. Returns top 5 results with title and URL. Example: /search?q=latest+AI+news
Basesearch-toll-production.up.railway.appfrom $0.011 endpoint
Browser UseSearch & webBrowser Use: AI browser automation agents in the cloud. POST a natural-language task and an agent navigates websites, fills forms, clicks buttons, extracts structured data, and completes multi-step workflows just like a human. Stealth-enabled remote browsers with CAPTCHA solving, residential proxies, live session view, and optional structured output. Payments top up your balance; managing your ses
Basex402.api.browser-use.comfrom $1.001 endpoint- TTrade and Customs ReferenceSearch & web
List a Harmonized System 2022 chapter (01-97): title, section, and its headings or 6-digit subheadings.
BaseSolanaPolygon+1trade-reference.x402tookit.comfrom $0.023 endpoints - AAgent Screenshot HubSearch & web
One page load answers everything an agent needs to reason about a page: the DOM after JavaScript capped at 2 MB, the CDP accessibility tree flattened with parent references, every link with rel and target and an internal or external verdict, every form field with its label and autocomplete hint, console errors and warnings with source and line, a screenshot, navigation timings and a summary of the
Baseshot.netzhandwerker.defrom $0.0061 endpoint - Nnojunk-web-search.mick8511.workers.devSearch & web
Cheap web search for AI agents: give it a query, get up to 10 live web results back as JSON (rank, title, url, domain, snippet). Optional region (e.g. us-en) and safe-search level. Sources tried in order: DuckDuckGo, Bing, Yahoo. Results link to the live web; pair with a /read service to fetch the pages.
Basenojunk-web-search.mick8511.workers.devfrom $0.0021 endpoint - Mmarketplace-price-api-production.up.railway.appSearch & web
Search TCGPlayer for trading card prices (Pokemon, Magic, Yu-Gi-Oh, etc.) by card name. Returns matching cards with market prices as JSON.
Basemarketplace-price-api-production.up.railway.appfrom $0.0011 endpoint - RRecords for AgentsSearch & web
Search contractor/trade licenses (TX TDLR electricians/A-C, FL DBPR construction) by free-text query, name, state, profession, or status.
Baselicenses.recordsforagents.comfrom $0.011 endpoint - Ddata-api.orbbit.coSearch & web
Search for packaged food products by name, brand, category, barcode, or ingredient.
BaseEVM chain 5042data-api.orbbit.cofrom $0.012 endpoints - Aagentwholesale.vercel.appSearch & web
Search the live web for current information. Returns fresh structured organic search results with titles, URLs, snippets, domains, and ranks for agent research and retrieval.
Baseagentwholesale.vercel.appfrom $0.011 endpoint - EEasy Reader AISearch & web
Fetch any public web page or PDF and return clean Markdown, plus title, description, author, publish date, JSON-LD and outgoing links. Built for LLM agents.
Baseagent-reader.gm-tools.workers.devfrom $0.0022 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.