Every agent-payable API.

Extract the top keywords and key phrases from text (frequency, stopword-filtered) plus structured entities by pattern — emails, URLs, @mentions, #hashtags, phones, money, dates and 0x crypto addresses. Offline, key-less, $0.002.

Extract title, description, OG image from a URL

Extractive summary of any text, computed offline (no LLM): ranks sentences by term significance and returns the top ones in reading order. Set how many sentences you want. Key-less, instant, $0.002.

Discovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent can decide whether /extract can handle a given URL before paying for it.

Every US airport currently under an active FAA advisory in one call: closures, ground stops, ground delay programs, and arrival/departure delays, each with its reason and timing. Live from the FAA's own public National Airspace System status feed -- the same source air traffic control uses. Not airport-specific. $0.01/call.

FABA AirCanon v1 download

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FABA AirMeter v1 download

FABA AirSpeak kit v1 download

FABA AirTime v1 download

FABA plugins bundle v1 download

Top reported adverse reactions for a drug from the FDA FAERS database (openFDA), ranked by report count - a fast read on a drug's real-world safety signal. Live FDA data, no key. ?drug=aspirin&limit=10

Search FDA drug recall / enforcement records (openFDA): recalling firm, classification (Class I/II/III), reason, distribution, and dates. Live FDA data, no key. ?q=losartan&limit=5

Search FDA food recall / enforcement records (openFDA): recalling firm, classification, reason (allergen, contamination, etc.), distribution, and dates. Live FDA data, no key. ?q=peanut&limit=5

Search FDA medical-device recall / enforcement records (openFDA): recalling firm, classification (Class I/II/III), reason, distribution, and dates. Live FDA data, no key. ?q=insulin+pump&limit=5

Name a drug, food, ingredient, brand or medical device and get one cited FDA recall report: every matching enforcement record across the drug, food and device feeds (firm, class I/II/III, status, reason, distribution, date), organized and explained, with a downloadable records appendix. Live openFDA data, not medical advice. USDC (x402/MPP) or card (Stripe). Not cached.

Recent FEMA disaster declarations for a US state (openFEMA): title, incident type, declaration type, and date - the federal emergency picture by state, de-duplicated by disaster. Live gov data, no key. ?state=CA&limit=5

Pay FLINT $0.01 to scan a separate intended agent transaction before it executes; returns a signed decision record and a linked x402 service-payment receipt

Commercial FLUX Schnell images for agents at $0.01 USDC. Call when you need a product visual, ad creative, thumbnail, banner, logo concept, or social graphic with no API key or monthly plan. Returns a public WebP URL, SHA-256 receipt, and 11 aspect ratios via x402 on Base—no subscription.

Complete real-time cryptocurrency price snapshot from the FTSO Yggdrassil value provider

Convert between 30+ currencies at the European Central Bank's daily reference rate, for today or any past date. Returns the converted amount, the per-unit rate and the date the rate is actually from — the ECB publishes on business days only, so a weekend date answers with the previous business day and says so instead of pretending. Reference rates for accounting and reporting, not tradable quotes.

Convert an amount between currencies using public daily/historical FX rates backed by ECB reference data.

One EUR-triangulated cross-rate with inverse and auditable EUR legs, latest or any date back to 1999

All ~30 currencies at the most recent ECB daily reference fixing, rebased to any covered currency — dated, attributed, agent-clean JSON

Full rate snapshot on a historical fixing date back to 1999 — month-end revaluation staple; weekend dates substitute the prior fixing, flagged

Genuinely fascinating fun fact about science, history, nature, or the universe.

Fact-check a claim against the live web. Searches with Tavily and Exa, reads the best page with Firecrawl, and returns a verdict (supported, contradicted or unclear), a short explanation and source URLs. Typical response 4 to 8 seconds. If it cannot answer in time you get an error and are not charged.

Fact verification API for market data — cross-check a ticker against live provider evidence and return an evidence-backed result instead of guessing.

Faction brief generator: Create a playable faction with a public aim, hidden need, and rival.

Fall damage calculator: Estimate fall damage after a configurable safe height.

The Family Office Knowledge Graph index of record for $0.01 USDC — every node's record list (LEI, legal name, aliases, register ids, field states, as-of) as a signed statement (EdDSA, kid fo-kg-x402-2026-09) with a receipt that resolves forever at /x402/receipt/{nonce}. Operator: Agentic KG Holdings.

Weights likes, comments, shares, saves and clicks, divides by supplied reach, and reports cohort and aggregate points per thousand reached accounts. It does not access a platform, distinguish authentic from manipulated activity, measure sentiment or predict revenue.

Fantasy quest titles: Short quest titles for journal entries and mission boards.

Fixed-price chat completions for glm-5.2 on FarOut: flat $0.002 per call (includes up to 4,000 input + 1,000 output tokens). Rate: $0.011/1M input tokens, $0.035/1M output tokens. Pay with USDC on Base using x402. No API key, no account, no prepaid balance.

[OI]-compatible LLM inference API for autonomous agents. Supports reasoning, coding and chat workloads. Pay with USDC on Base using x402 (upto scheme, true-up billing): the 402 quotes a spending CAP (estimated input tokens + your max_tokens at the model's per-1M price), and after the model answers you are settled for the ACTUAL usage — always <= the cap, never more. Minimum $0.001, cap $3.0 per call. Cached input bills at 10%. Failed calls are never charged. Any model from GET /v1/models.

Fixed-price chat completions for glm-5.3-flash on FarOut: flat $0.002 per call (includes up to 4,000 input + 1,000 output tokens). Rate: $0.008/1M input tokens, $0.028/1M output tokens. Pay with USDC on Base using x402. No API key, no account, no prepaid balance.

Fixed-price chat completions for deepseek-v4-pro on FarOut: flat $0.002 per call (includes up to 4,000 input + 1,000 output tokens). Rate: $0.037/1M input tokens, $0.111/1M output tokens. Pay with USDC on Base using x402. No API key, no account, no prepaid balance.

Fixed-price chat completions for gpt-5.5 on FarOut: flat $0.002 per call (includes up to 4,000 input + 1,000 output tokens). Rate: $0.020/1M input tokens, $0.120/1M output tokens. Pay with USDC on Base using x402. No API key, no account, no prepaid balance.

[OI]-compatible LLM inference API for autonomous agents. Supports reasoning, coding and chat workloads. Pay with USDC on Base using x402 (upto scheme, true-up billing): the 402 quotes a spending CAP (estimated input tokens + your max_tokens at the model's per-1M price), and after the model answers you are settled for the ACTUAL usage — always <= the cap, never more. Minimum $0.001, cap $3.0 per call. Cached input bills at 10%. Failed calls are never charged. Any model from GET /v1/models.

M2M: Input fid or wallet. Output followers, following, clusters, funder_address, is_farm via Neynar. For KOL tracking, airdrop sybil filter, copy-trading vetting. Pay-per-call $0.01 USDC Base eip155:8453

Fetch one Farcaster cast by hash or warpcast.com / farcaster.xyz URL. Returns the compact cast: author (fid, username, follower count), text, timestamp, channel, parent hash, likes, recasts, reply count, embed URLs. Use to resolve a shared link, verify a quote, or enrich a cast hash from another tool.

The reply thread under a Farcaster cast (by hash or URL): the root cast plus replies flattened with their depth (1-5 levels) and parent hash, in chronological, newest-first or algorithmic order. Compact cast shape. Use to read reactions to an announcement, summarize a discussion, or trace who replied to whom.

Search Farcaster casts by keyword (literal, semantic or hybrid match), newest first, optionally filtered to one author or channel. Returns compact casts: hash, author (fid, username, follower count), text, timestamp, channel, reactions, reply count, embed URLs. Use for mention monitoring, sentiment sampling, or finding discussion of a token, product or topic.

Cast volume over time for a search query: how many Farcaster casts matched per bucket across the last 1d, 7d, 30d, 90d or 180d (hourly or daily buckets), optionally limited to one author or channel, plus the total. Cached 60 s. Use to chart mention volume for a token, product or event and detect spikes.

Details for one Farcaster channel by id (e.g. base) or FIP-2 parent URL: name, description, follower and member counts, public-casting flag, creation date, lead and moderator fids, pinned cast. Use to validate a channel id before pulling its feed, or to size a community.

Latest casts in one or more Farcaster channels (e.g. base, farcaster, ethereum), newest first, with optional replies. Compact cast shape with author, reactions, reply count and embed URLs. Cached 60 s per identical request. Use to watch a community, sample what builders are posting, or feed a digest.

Trending Farcaster channels ranked by casting activity over 1d, 7d or 30d, with cast counts for all three windows, follower and member counts, and the channel lead. Cached 60 s. Use to spot where attention is moving on Farcaster right now, then pull the feed with fc-channel-feed.

A Farcaster user's recent casts by fid or username, newest first, optionally including replies or limited to one channel. Compact cast shape with reactions, reply count and embed URLs. Use to read what a founder, builder or KOL has been posting, or to build a per-account timeline.

Search Farcaster users by name or username fragment. Returns up to 10 compact profiles: fid, username, display name, bio, follower and following counts, Neynar quality score, primary verified Ethereum address. Use to resolve a person or brand to a fid before fc-user-casts, or to find who to follow on a topic.

Fare Pulse — cheapest live fares from a major US hub, cached snapshot.