Best x402 Search & Retrieval for AI Agents (33 listed)

Search and retrieval APIs that return ranked results or cleaned documents for a per-query fee.

• Agent Utilities — Research outline 0.01 USDC (first pay · Base).

  $0.01/request on base

• Agentic Reservations — Restaurant recommendations from the Blackbird network (~2,000 curated restaurants, mostly NYC and San Francisco).

  $0.01/request on base

• Apify — Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation.

  $1/request on base

• Book chapter — Paid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming.

  $0.01/request on base

• CoinGecko — Search onchain DEX pools and token, by contract address, name, or token symbol.

  $0.01/request on base

• Email Auth SPF/DMARC/DKIM Check — Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF.

  $0.01/request on base

• Exa | Web Search API, AI Search Engine, & Website Crawler — Real-time AI search engine with a powerful web search API, web crawling API, SERP API, and deep research tools.

  $0.007/request on base

• FindPulse — Product Discovery Intelligence API — Universal finder and discovery API.

  $0.05/request on base

• FindPulse — The research layer before the transaction — The research layer before the transaction — what to buy, whether to buy it now, and whether it's been recalled.

  $0.5/request on base

• Flight Search & Airfares — Flight search by departure and arrival airports in the URL — compare live itineraries, fares, schedules, stops and emissions across.

  $0.05/request on base

• GlowPulse — Skincare and K-beauty intelligence — Skincare and K-beauty intelligence: ingredient lookups, myth-vs-fact conflict checks, product decoding, pregnancy-safe and fungal-acne.

  $0.1/request on base

• Grantpulse — The funding-discovery layer for organisations anywhere — official sources fetched live: Grants.gov, the EU Funding & Tenders Portal.

  $0.25/request on solana

• Hotel Search, Rates & Reviews — Hotel reviews — a hotel's guest reviews by property token: rating, date, text, per-aspect subratings, highlights & the owner's reply, with.

  $0.02/request on base

• HyperNatt Terminal — Forced-order map.

  $0.001/request on base

• InsurePulse — Insurance intelligence that sides with the policyholder — Insurance intelligence that sides with the policyholder — coverage gaps, claim playbooks, and the statutory interest insurers owe you when.

  $0.25/request on base

• Linked Panda — Verified work-email lookup for a LinkedIn profile.

  $0.05/request on base

• Maha Context Compiler — Compress long documents and RAG inputs into token-budgeted, deduplicated context packs with source-linked provenance.

  $0.001/request on base

• Minifetch Technical SEO API — Cheap robots.txt preflight before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether the Minifetch user.

  $0.001/request on base

• PatentPulse — PatentPulse — global IP intelligence — PatentPulse — global IP intelligence: USPTO/EPO/WIPO/JPO/CNIPA patent search, FTO analysis, SEP licensing, trademark clearance, prior art.

  $0.12/request on solana

• Racingpulse — Global horse racing intelligence — live odds, going conditions, form analysis, arbitrage detection, speed ratings, and betting systems for.

  $0.07/request on base

• SatsSignal Demand Radar — Cheapest agent-ready x402 demand read: what changed, why it matters, recommended action, confidence, evidence, coverage, and freshness.

  $0.01/request on base

• ScholarPulse — Global scholarship and student finance intelligence — Global scholarship and student finance intelligence.

  $0.15/request on solana

• StableEnrich — FullEnrich Company Search — filter by domain, name, LinkedIn URL/ID, industry, type, HQ, headcount, founding year, keywords, specialties.

  $0.15/request on solana

• StableUpload — Buy a site upload slot.

  $2/request on base

• Surf Web — Pay-per-use web search and crawl API with x402 micropayments.

  $0.01/request on base

• Vaaya — Exa — semantic web search via our API key.

  $0.01/request on base

• Vedetta — Recent analyst desk posts as a stream (?since_id=&asset=&limit=): cached, instant, half a cent.

  $0.005/request on base

• Web Search, News & Page Reader — Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score.

  $0.01/request on base

• Web Search (SERP) — Web search results (SERP).

  $0.05/request on base

• Win — Web search returning URLs, titles, and descriptions.

  $0.001/request on base

• x402 Web Search — Web search that returns structured SERP results as JSON.

  $0.003/request on base

• You — You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and.

  $0.005/request on base

• ZoningVerdict — Address-to-zoning lookup for published municipalities.

  $0.01/request on base