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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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- Paid calls · 30 days
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Search & web
367 results- SSwellmeter TrendingSearch & web
Swellmeter Trending: Google trending searches for 30 countries, with the history the feed drops.
Baseswellmeter-api.cybermaxtools.comfrom $0.0041 endpoint - SSwellmeter TrendingSearch & web
Swellmeter Trending: Google trending searches for 30 countries, with the history the feed drops.
Baseswellmeter-api.cybermax-tools.workers.devfrom $0.0041 endpoint - Sskynetzero-researchSearch & web
Short cited research answer for a query
Baseskynetzero-research.skynetzero-research.workers.devfrom $0.101 endpoint - Sserp-realtime-web-groundingSearch & web
SERP-Extract Real-Time Search & Citation Grounding Node: Extracts live web search rankings, snippets, and grounding citations for autonomous agents.
Baseserp.agentdiet.devfrom Free1 endpoint - Sscrapemole-api-mainnet.scrapemole.workers.devSearch & web
Use when you need how search interest in a topic changes over time or by region, or which related queries are rising. Returns weekly/daily interest (0-100), per-region interest and top/rising related queries from Google Trends. $0.01 per successful call; errors are not charged.
Basescrapemole-api-mainnet.scrapemole.workers.devfrom $0.0027 endpoints - ReadEdgeSearch & web
Clean web content extraction — any URL to markdown + text + metadata
Baseread.lonestaroracle.xyzfrom $0.0051 endpoint
QRCode.Pub tools for agentsSearch & webFetch a public web page and return its title, description, clean Markdown (scripts, styles, nav chrome removed) and the list of links. No model call, deterministic.
Baseqrcode.pubfrom $0.011 endpoint- PrysmSearch & web
Search the web with AI-oriented result extraction.
Baseprysm-kappa.vercel.appfrom $0.101 endpoint - QQuick Brief APISearch & web
Use this when you need a fast cited answer, not deep research: one live web search, relevance-ranked sources, snippet-level digest with 3-6 cited key points in seconds. No API key, no signup — x402 per-call payment only. For full-page depth use the $0.05 Research Brief on the same origin.
Basepreview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.aifrom $0.012 endpoints - Ppkgs.scrapemole.workers.devSearch & web
Use when you need the public npm registry card for a package (scoped or unscoped): returns description, homepage, bugs URL, repository, license, keywords, maintainers as names only (emails stripped), number of versions, latest dist-tag version, created/modified times, and last-week download count from the official downloads API. Private packages are not supported.
Basepkgs.scrapemole.workers.devfrom $0.0026 endpoints - PageWireSearch & web
Fetch a public web page and return its title, description, clean Markdown (scripts, styles, nav chrome removed) and the list of links. No model call, deterministic.
Basepagewire.devfrom $0.011 endpoint - Ppage-readSearch & web
Fetch one public web page now and return clean markdown (or plain text) of the main content plus title, description, author, published time, canonical, language and sha256. Charged only on success.
Basepage-read.agent-audit.workers.devfrom $0.0011 endpoint - Nnatsecintel.comSearch & web
Experimental AI search snippet summary with citations. 0.05 real USDC on Base.
Basenatsecintel.comfrom $0.051 endpoint - WhiteMagic recallSearch & web
WhiteMagic hosted recall — agent memory for cross-session continuity: read-only hybrid search (BM25 + vector + associative) over a curated public corpus, providing durable context from prior sessions and the public knowledge store. Keyless discovery (initialize/tools/list) is free; free evaluation keys and a daily no-key trial are available. Paid requests activate session leases. The returned sess
Basemcp.whitemagic.devfrom $0.011 endpoint - Mmcp-securitySearch & web
A2A Indirect Prompt-Injection & Jailbreak Firewall (/v1/prompt-guard) — Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections and returns sanitized text. (https://mcp-security.agentdiet.dev/v1/prompt-guard)
Basemcp-security.agentdiet.devfrom Free1 endpoint - Kk2so.grok.meSearch & web
Decision procedure for individual agent micro-payments: when to auto-pay, deliberate, defer, or escalate a single x402/MPP payment request. Uses amount vs standing-policy cap, merchant trust score, remaining budget, and quote freshness. Returns numbered decision steps, exit criteria, and failure modes.
Basek2so.grok.mefrom $0.0016 endpoints - Indo News APISearch & web
Ranked Indonesian news briefing: deduped articles, keyword trends and top sources for a topic.
BasePolygonArbitrum+1indo-news-api.vercel.appfrom $0.0513 endpoints - Gghostkey-mcp.onrender.comSearch & web
GhostKey delegation session (ghostkey_session_create): mint a short-lived, origin-scoped browser delegation session. Actions inside a minted session are unmetered.
Baseghostkey-mcp.onrender.comfrom $0.101 endpoint - Ggenuinegood.onlineSearch & web
Search current Grants.gov opportunities with normalized deadlines, days remaining, agency, status, assistance listing numbers, and official source links.
Basegenuinegood.onlinefrom $0.051 endpoint - Ggateguard-x402.fly.devSearch & web
Evaluate a specific flight for disruption risk and return a deterministic stay-put, monitor, or rebook-now decision. Use when an agent needs to decide whether a traveler should keep an itinerary or start recovery, with ranked replacement flights when disruption warrants a search.
Basegateguard-x402.fly.devfrom $0.251 endpoint - FFAR DeskSearch & web
The Federal Acquisition Regulation, current to eCFR, searchable by meaning. FAR Desk's search tool, one call. A pass (POST https://far-desk.quickbeam.workers.dev/pass) covers every call.
Basefar-desk.quickbeam.workers.devfrom $0.011 endpoint - Eengedi.digi-life17.workers.devSearch & web
Reach for this tool before picking a specific joke category - lists all available joke types. Returns the full taxonomy of joke categories to browse. Essential for discovering what humor is available before making a selection.
Baseengedi.digi-life17.workers.devfrom $0.00145 endpoints - Ddomains.scrapemole.workers.devSearch & web
Use when you need the current DNS records of a domain or hostname: resolves the requested record types live over DNS-over-HTTPS (Cloudflare 1.1.1.1 with Google fallback) and returns every answer with TTL, plus the response code (NOERROR/NXDOMAIN) and whether DNSSEC validated. Up to 8 types per call.
Basedomains.scrapemole.workers.devfrom $0.0016 endpoints - Ttld-info-mySearch & web
A record of autodiscover.<domain>: looks up the autodiscover host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like autodiscover without enumerating subdomains. $0.01 per lookup.
Basedns.intel.rallylive.cafrom $0.01489 endpoints - Ccircadian-agent.comSearch & web
Extract a web page to clean Markdown plus metadata (title, description, links, word count)
Basecircadian-agent.comfrom $0.0052 endpoints - Bbazaar.agentexchange.workSearch & web
Pay $1.00 USDC on Base to list one https URL for 30 days on https://bazaar.agentexchange.work/listings, a public page on a census host; the crawler attention that host measured is printed on the page and in /listings.json as a dated number. Body: { url, name (<=80 chars), description? (<=200 chars), payTo? }. No account. Paying again for the same URL renews it. GET /listings.json is free.
Basebazaar.agentexchange.workfrom $1.001 endpoint - Aarxiv.scrapemole.workers.devSearch & web
Use when you need to discover arXiv e-prints by keyword, title, author or field query: pass any arXiv search_query string (e.g. "transformer attention", "au:vaswani", "ti:\"attention is all you need\"", "cat:cs.LG AND all:diffusion"). Returns up to 25 papers with id, title, summary, authors (names + affiliation without emails), primary category, categories, published/updated, comment, journal ref,
Basearxiv.scrapemole.workers.devfrom $0.0024 endpoints - IImportYeti ScraperSearch & web
Search public importer and supplier records on ImportYeti, built from shipment data, by company, supplier, product or address phrase: name, type, country, address, total shipments, most recent shipment, top suppliers and customers, trademarks and other names; filters for importers or suppliers, latest shipment within 6 or 12 months and minimum shipments; optional details add trade partners, HS cod
Baseapi.scrapeforagents.techfrom $0.031 endpoint - Aapi.paysponge.comSearch & web
Service: Exa (https://api.paysponge.com/search)
SolanaBaseapi.paysponge.comfrom Free22 endpoints - SSemilla x402 seller checkSearch & web
Searches the x402 services indexed by AgentsMap by keyword and returns operators, endpoints and recent paid activity.
Baseagentsmap.iofrom $0.015 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.