Services
The x402 service directory — but enriched with what a catalog can't show: verified on-chain payment volume, the provider's ERC-8004 identity and trust score, and live status. Ranked by real economic activity, not just listings.
| Service | Provider | Price | Verified vol | 30d calls | Live |
|---|---|---|---|---|---|
serp-x402.vercel.appSearch serp-x402.vercel.app Google News search. Returns latest news articles with title, source, date, and summary. Real-time news monitoring for any topic. | unverified | $0.003 | — | 3,312 | |
stableenrich.devSearch stableenrich.dev Exa Search - Neural search across the web | unverified | $0.01 | — | 2,364 | |
api.exa.ai Exa /search endpoint | unverified | $0.007 | — | 1,834 | |
x402.twit.shSearch x402.twit.sh Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. Returns X v2 API-compatible JSON. | unverified | $0.005 | — | 937 | |
blockint.aiSearch blockint.ai Full-text search across all 64,000+ public C3 community fraud reports. Search by keyword, address, domain, crime type, or project name. | unverified | $0.01 | — | 916 | |
stabletravel.devSearch stabletravel.dev Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info. | unverified | $0.02 | — | 780 | |
blockrun.ai Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report. | unverified | $0.01 | — | 629 | |
stableenrich.devSearch stableenrich.dev Firecrawl Search - Search the web | unverified | $0.03 | — | 433 | |
x402.twit.shSearch x402.twit.sh Search Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Query params: query (string, required) - search keyword or phrase; next_token (string, optional) - pagination cursor from previous response, e.g. GET /users/search?query=bitcoin. Returns X v2 API-compatible JSON. | unverified | $0.01 | — | 348 | |
win.oneshotagent.comSearch win.oneshotagent.com Web search returning URLs, titles, and descriptions | unverified | $0.001 | — | 299 | |
x402.tavily.comSearch x402.tavily.com Tavily Search - advanced mode | unverified | $0.01 | — | 288 | |
stabletravel.devSearch stabletravel.dev Search for airports and cities by keyword | unverified | $0.0054 | — | 254 | |
stabletravel.devSearch stabletravel.dev Search hotel offers by hotel IDs | unverified | $0.03 | — | 252 | |
DripSearch dripstack.xyz Paid JSON for one Substack-backed post: synthesized summary (`synthesizedSummary`), metadata, and identifiers. Path params are `publicationSlug` and `postSlug`. Returns 503 until summary exists. USDC `exact` x402 on Base; USD amount is per-post when set on the post, otherwise the server default. | unverified | $0.10 | — | 201 | |
stablejobs.devSearch stablejobs.dev Search job postings by filters | unverified | $1.67 | — | 186 | |
orbisapi.com Score research dataset FAIR principles compliance | unverified | $0.005 | — | 165 | |
www.surplusintelligence.ai X/Twitter API v2 via Surplus Intelligence: Tweet search (10 units) | unverified | $0.05 | — | 163 | |
stableenrich.devSearch stableenrich.dev Whitepages Person Search - Find people by name, phone, address | unverified | $0.44 | — | 163 | |
win.oneshotagent.comSearch win.oneshotagent.com Deep person research — returns enrichment, social profiles, articles, and dossier | unverified | $0.05 | — | 154 | |
orbisapi.com 15 common English idioms with meanings, surprising historical origins, and example sentences. | unverified | $0.005 | — | 139 | |
orbisapi.com Score materials database coverage for research applications | unverified | $0.005 | — | 139 | |
orbisapi.com Score sensitive research data protection measures | unverified | $0.005 | — | 139 | |
orbisapi.com Score research data sharing plan quality and openness | unverified | $0.005 | — | 137 | |
api.exa.ai Exa /contents endpoint | unverified | $0.001 | — | 136 | |
orbisapi.com Score research data management plan completeness | unverified | $0.005 | — | 136 | |
orbisapi.com Score research data availability and accessibility quality | unverified | $0.005 | — | 126 | |
orbisapi.com Score research metadata completeness and standardization | unverified | $0.005 | — | 123 | |
blockrun.ai Social post (tweet) full-text search. | unverified | $0.0075 | — | 111 | |
api.signalfuse.coSearch api.signalfuse.co Web search via Brave Search API | unverified | $0.008 | — | 103 | |
socialx402.com Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions. | unverified | $0.06 | — | 103 | |
blockrun.ai News article search. | unverified | $0.0075 | — | 91 | |
stableenrich.devSearch stableenrich.dev Reddit Search - Search Reddit posts | unverified | $0.02 | — | 89 | |
SuperhighwaySearch api-production-17e1.up.railway.app Real-time web search API for AI agents. Returns ranked organic results (title, link, snippet) as JSON from a resilient multi-engine metasearch (Bing, Brave, DuckDuckGo, Wikipedia, Mojeek). Pay-per-query in USDC via x402 — no signup, no API key, no rate limits. Built for agent grounding, research, RAG, fact-checking, and fresh real-world information. | unverified | $0.001 | — | 85 | |
api.apify.comSearch api.apify.com 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. | unverified | $1.00 | — | 79 | |
api.stocktrends.com Latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research. | unverified | $0.0035 | — | 78 | |
data.crestsystems.aiSearch data.crestsystems.ai Crest · trending_tokens -- Fetch top 15 trending cryptocurrencies ranked by search interest and trading volume. Returns symbol, name, market cap rank, and BTC-denominated price. | unverified | $0.002 | — | 78 | |
hirescrape.comSearch hirescrape.com Instagram profiles, posts, reels, comments — 8 modes. | unverified | $0.00225 | — | 76 | |
blockrun.ai Get an AI-generated answer to a question grounded in live web search results. | unverified | $0.01 | — | 73 | |
stableenrich.devSearch stableenrich.dev Exa Contents - Retrieve content from URLs | unverified | $0.002 | — | 59 | |
api.signalfuse.coSearch api.signalfuse.co AI-powered web search via Tavily | unverified | $0.01 | — | 58 | |
stableestate.devSearch stableestate.dev Search for-sale property listings by location | unverified | $0.01 | — | 53 | |
api.apify.comSearch api.apify.com 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. | unverified | $1.00 | — | 49 | |
openwebninja-x402.vercel.app Search Walmart products by keyword. | unverified | $0.01 | — | 48 | |
api.paytoll.ioSearch api.paytoll.io Payment required: $0.08 | unverified | $0.08 | — | 46 | |
stablesocial.devSearch stablesocial.dev Scrape Creators · TikTok — TikToks using Song | unverified | $0.06 | — | 46 | |
socialx402.comSearch socialx402.com Scrape Creators · TikTok — Profile | unverified | $0.06 | — | 45 | |
DripSearch dripstack.com Paid JSON for one Substack-backed post: synthesized summary (`synthesizedSummary`), metadata, and identifiers. Path params are `publicationSlug` and `postSlug`. Returns 503 until summary exists. USDC `exact` x402 on Base; USD amount is per-post when set on the post, otherwise the server default. | unverified | $0.10 | — | 44 | |
risk.yo.xyzSearch risk.yo.xyz Targeted node lookup by asset address or protocol/asset name — the sole discovery path | unverified | $0.001 | — | 43 | |
SuperhighwaySearch api-production-17e1.up.railway.app Real-time news search for AI agents. Returns recent news articles (title, link, snippet, published date) as JSON from a multi-engine news metasearch. Pay-per-query in USDC via x402 — no signup, no API key. Use for current events, breaking news, monitoring, and time-sensitive facts. | unverified | $0.001 | — | 39 | |
clink-lithium-vault.fly.dev Lithium Research Vault - headline snapshot for any lithium & battery-metals company, producing mine, or DFS-stage developer. One row: latest production, AISC, cash/debt/EBITDA, reserves, DFS NPV/IRR, top holder, source filing. Producers + developers: Albemarle, Pilbara, SQM, Greenbushes, Atacama, Cinovec, Manna, Bandeira. Query by ticker (ALB, SQM, SGML, EMH, GL1, PMETF) or mine name. Cheapest tier; /vault full rows, /vault/comparables ranking. | unverified | $0.02 | — | 39 | |
www.x402scan.comSearch www.x402scan.com Full-text search across x402 resources | unverified | $0.02 | — | 38 | |
x402.ottoai.servicesSearch x402.ottoai.services Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko. Use before swap/bridge to disambiguate tokens. | unverified | $0.001 | — | 37 | |
pro-api.coingecko.com Search onchain DEX pools and token, by contract address, name, or token symbol. | unverified | $0.01 | — | 37 | |
stableenrich.dev Pay-per-request access to FullEnrich, CompanyEnrich, LeadMagic, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions. | unverified | $0.05 | — | 36 | |
x402-api.aubr.aiSearch x402-api.aubr.ai Send an HPKE-encrypted literature query to the Aubrai research agent running inside a Tinfoil TEE. Always async — poll the returned pollUrl for the encrypted result. | unverified | $0.03 | — | 35 | |
blockrun.ai Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call | unverified | $0.005 | — | 34 | |
enrichx402.comSearch enrichx402.com Exa Search - Neural search across the web | unverified | $0.01 | — | 33 | |
api.signalfuse.coSearch api.signalfuse.co | unverified | $0.02 | — | 32 | |
api.reloadpi.comSearch api.reloadpi.com Reloadpi — Search gift cards and vouchers from 5000+ brands across 150+ countries | unverified | $0.002 | — | 31 | |
x402.coinopai.comSearch x402.coinopai.com Search 819 agent automation prompts by keyword | unverified | $0.01 | — | 29 | |
omniac.0000402.xyzSearch omniac.0000402.xyz Pay $0.01 USDC to ask Omniac, the Omniacs DAO mascot, any question about crypto, data science, or tech. Responses are concise by default. Powered by llama-3.3-70b via Venice.ai. Max question length: 2000 characters. Network: Base Mainnet. Each request sends one natural-language question to the model and returns one direct answer, making it useful for crypto explainers, technical Q&A, research support, and agent knowledge lookups. | unverified | $0.01 | — | 28 | |
miroshark-x402-production.up.railway.app MiroShark: run a multi-agent social-media simulation. Submit a prompt or scenario, get back a URL where you can watch a 25-agent simulation play out across Twitter, Reddit, and Polymarket over 10 rounds, then read a synthesized markdown report with belief drift, top posts, and market trajectories. Typical wall-clock: 15-25 minutes. Powered by a knowledge-graph pipeline (NER → graph build → persona generation → Wonderwall simulation → report synthesis). | unverified | $1.00 | — | 28 | |
scout.hugen.tokyoSearch scout.hugen.tokyo Search X (Twitter) for real-time posts, trends, and discussions via xAI Grok. AI agent API for social media intelligence and sentiment analysis. Accepts USDC payments on Base and Solana | unverified | $0.20 | — | 26 | |
blockrun.ai Web search across crypto sources. | unverified | $0.0075 | — | 26 | |
tripadvisor.x402.paysponge.com Service: Tripadvisor (https://tripadvisor.x402.paysponge.com/api/v1/location/search) | unverified | $0.01 | — | 26 | |
hirescrape.comSearch hirescrape.com LinkedIn people, companies, posts, job listings, people search. | unverified | $0.00225 | — | 25 | |
stablesocial.dev Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions. | unverified | $0.06 | — | 25 | |
SuperhighwaySearch api-production-17e1.up.railway.app One-call web research for AI agents: searches the live web AND reads the top result pages as clean markdown — content, not just links. Give a question, get ranked results plus the full readable text of the best pages. Optional ?domains=nih.gov,pubmed.ncbi.nlm.nih.gov to restrict page reading to specific sources. Pay-per-call in USDC via x402 — no signup, no API key. Use for answering questions from fresh sources, research, and RAG. | unverified | $0.005 | — | 24 | |
gateway.spraay.appSearch gateway.spraay.app Web search with clean, LLM-ready results via Tavily. Basic or advanced depth. | unverified | $0.02 | — | 24 | |
2s.ioSearch 2s.io Search US patent applications and grants via the USPTO Open Data Portal. Query: q (required, 2+ chars), yearFrom / yearTo (optional filing-year bounds), applicationType (optional: Utility|Design|Plant|Reissue), limit (1-100, default 10), offset (0-based, default 0). Returns { total, returned, offset, limit, hits[{ applicationNumber, title, applicationType, firstInventor, inventors[], applicants[], filingDate, effectiveFilingDate, status:{ code, description, updatedAt }, cpcSymbols[], uspcSymbol, url }] }. URLs link to USPTO Patent Center for the public file wrapper. | unverified | $0.0018 | — | 24 | |
blockrun.ai Extract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002. | unverified | $0.002 | — | 23 | |
Web Researcher APISearch orbisapi.com AI-powered web research with structured findings | unverified | $0.005 | — | 23 | |
hirescrape.comSearch hirescrape.com Scrape jobs from LinkedIn, Indeed, Glassdoor, Google Jobs, ZipRecruiter, Bayt, BDJobs, and Naukri in one call. | unverified | $0.17 | — | 23 | |
api.apify.comSearch api.apify.com 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. | unverified | $1.00 | — | 22 | |
x402.miroshark.xyz MiroShark: run a multi-agent social-media simulation. Submit a prompt or scenario, get back a URL where you can watch a 25-agent simulation play out across Twitter, Reddit, and Polymarket over 10 rounds, then read a synthesized markdown report with belief drift, top posts, and market trajectories. Typical wall-clock: 15-25 minutes. Powered by a knowledge-graph pipeline (NER → graph build → persona generation → Wonderwall simulation → report synthesis). | unverified | $1.00 | — | 21 |
GET api.ioi.md/v0/endpoints · verified volume + provider trust are ioi-only signals