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Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 28,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

28,543 APIs
APICompanyCategoryPrice / callStatus
tokenguard
Largest gainers and losers over a window, with volume context.
hf.space-$0.02listed
tokenguard
Current perpetual funding rates across venues.
hf.space-$0.02listed
tokenguard
DEX aggregator routing and quoted execution across venues.
hf.space-$0.02listed
tokenguard
Certificate-transparency history for a domain (crt.sh) — every TLS certificate issued, which doubles as subdomain discovery
hf.space-$0.02listed
tokenguard
Derivatives venues ranked by open interest and volume.
hf.space-$0.02listed
tokenguard
Raydium (Solana) pools: liquidity, volume, fees and APR.
hf.space-$0.01listed
tokenguard
Screen assets on liquidity, volume and momentum filters.
hf.space-$0.02listed
tokenguard
Options chains: strikes, expiries, implied volatility and open interest.
hf.space-$0.02listed
tokenguard
Large-holder activity: concentration and recent significant transfers.
hf.space-$0.02listed
tokenguard
One protocol in depth: TVL, chains, tokens and history.
hf.space-$0.02listed
tokenguard
Historical gas prices per chain, for cost modelling.
hf.space-$0.02listed
tokenguard
dYdX perpetual markets: mark price, funding and open interest.
hf.space-$0.02listed
tokenguard
Market-share dominance by asset, and how it is shifting.
hf.space-$0.02listed
tokenguard
Open/high/low/close series for an asset over a chosen range.
hf.space-$0.02listed
tokenguard
Chainlink oracle feeds: current answer, decimals and last-update age.
hf.space-$0.02listed
tokenguard
Lending-market supply and borrow rates with utilisation, per protocol.
hf.space-$0.02listed
tokenguard
The crypto Fear and Greed index with its component breakdown.
hf.space-$0.02listed
tokenguard
Historical perpetual funding rates, for carry and basis work.
hf.space-$0.02listed
tokenguard
Options volume and put/call ratio by expiry.
hf.space-$0.02listed
tokenguard
Open interest by venue and contract, with the change over time.
hf.space-$0.02listed
tokenguard
Per-contract derivatives tickers: mark price, basis, volume.
hf.space-$0.02listed
tokenguard
Country reference data: capital, region, population, area, currencies, languages, calling code, timezones and borders
hf.space-$0.02listed
tokenguard
Risk-ADJUSTED DeFi yields: pools ranked by yield PER UNIT OF RISK, each top pool's underlying token run through our on-chain rug/safety scanner. A computed signal (volatility, IL, reward-dependency, TVL depth, 7d momentum + contract verdict), not a raw DefiLlama pass-through.
hf.space-$0.05listed
tokenguard
NFT market statistics: volume, floor and holder counts by collection.
hf.space-$0.02listed
tokenguard
Morpho lending markets: rates, utilisation and available liquidity.
hf.space-$0.02listed
tokenguard
NFT collections trending by volume and unique buyers.
hf.space-$0.02listed
tokenguard
Futures markets: term structure, basis and open interest.
hf.space-$0.02listed
tokenguard
OHLCV candlesticks at a chosen interval, for any listed pair.
hf.space-$0.02listed
tokenguard
One-call counterparty check: wallet activity profile (EOA vs contract, balances, tx count, risk flags) plus OFAC SDN sanctions screening, resolved into a single clear/blocked verdict. Reports 'unscreened' rather than 'clear' if the sanctions list could not be consulted.
hf.space-$0.05listed
tokenguard
Pairwise price correlation between assets over a chosen window.
hf.space-$0.02listed
tokenguard
One-call company and domain profile from public records: RDAP registration (age, registrar, status, expiry, nameservers) plus certificate-transparency history for infrastructure footprint and subdomain discovery, resolved into a new / established / mature maturity read. Domain-based lead qualification and counterparty vetting without a proprietary data licence.
hf.space-$0.05listed
tokenplans.dev
Full JSON catalog of verified AI coding-subscription plans across 31 providers (Claude, OpenAI, Cursor, Gemini, and more). Each record: monthly price and cadence, included models, usage ceilings and rate-limit windows, coding-tool lock-in, and pricing provenance with lastChecked dates. Use it to pick the right plan for an agent workload or to compare providers.
tokenplans.dev-$0.10listed
tollbooth
US motor carrier by USDOT, MC/MX/FF docket or exact company name (FMCSA): USDOT status, out-of-service order, operating authority per docket with grant date and source (Motus, else legacy frozen 2026-05-14), BI&PD, cargo and bond required vs on file, insurance policies, BOC-3, fleet size, safety rating. Up to 10 carriers; empty is a paid 200. Not a determination: verify with FMCSA before dispatch.
flipvo.com-$0.03listed
tollbooth
Licensed contractors by trade and city or zip: license number, name, license type, status, expiry, address. Served states: FL, OR; the trade field's enum lists each state's trades. Up to 25 results, active first, with total_matches; empty results is a paid 200. Exact city or 5-digit zip, no fuzzy or radius search. Oregon covers active licenses only. data_as_of is required.
flipvo.com-$0.10listed
tollbooth
Returns the OSHA inspections, violations and penalties on file for an employer in a state (optional city and zip), matched by name in the US Department of Labor's inspection and violation files, as establishments with a penalty roll-up; OSHA inspections only, so an employer with none has no record and an empty result is a paid 200; it is not a determination about the employer and is not endorsed or certified by the U.S. Department of Labor.
flipvo.com-$0.02listed
tollbooth
Many-to-many driving time/distance matrix, up to 100 origin x destination elements per call.
flipvo.com-$0.05listed
tollbooth
Contractor license status plus matching business-entity record. Currently served: FL, OR. Empty licenses is a paid 200. data_as_of is required.
flipvo.com-$0.05listed
tollbooth
Real road driving time and distance between two named places (airports, stations, hotels, addresses). OpenStreetMap-based, worldwide.
flipvo.com-$0.01listed
tollbooth
Screen a name against the US OFAC SDN and Consolidated lists: potential matches with list, programs, name score and reasons; optional type, date of birth and country re-rank. Fuzzy, folds accents, any script. Not a determination: an empty candidates list is a paid 200 and certifies nothing. Not UN, EU or UK.
flipvo.com-$0.01listed
tollbooth
Up to 5 airports with scheduled service nearest a named place, ranked by real road drive time (never a straight-line guess), with IATA and ICAO codes. airport_size 'large' keeps large airports only. Within 300 km; none in range is a 422; airports with no road route are left out. OpenStreetMap routing, OurAirports data, worldwide.
flipvo.com-$0.02listed
tollbooth
State business-registry record by entity number or exact name: status, formation date, principal address, registered agent, officers. Currently served: FL, OR. Up to 10 entities; empty entities is a paid 200. Oregon covers active businesses only. data_as_of is required.
flipvo.com-$0.01listed
tollbooth
IRS nonprofit status by EIN or exact organization name: BMF exemption subsection, deductibility and foundation codes, Pub 78 listing, and automatic revocations. Up to 10 records; empty organizations is a paid 200. No legal conclusion is computed.
flipvo.com-$0.01listed
tollbooth
For 1 to 10 NPIs, the CMS NPPES status of each (active or deactivated, with deactivation and reactivation dates), provider name or organization, practice city, state and ZIP and taxonomies, plus any HHS-OIG LEIE exclusion listed under the NPI, as facts from the files: not a credential check and not a determination about the provider.
flipvo.com-$0.01listed
tollbooth
Screens a person or business name, or an NPI, against the HHS-OIG exclusion list (LEIE, Medicare and Medicaid): potential matches only, each with name score, reasons, NPI, state, specialty, exclusion type and date. Not a determination: confirm a match on the OIG online search with the SSN or EIN. Empty candidates is a paid 200. Not for employment or credit decisions. List dates and code meanings: GET /v1/exclusions/lists (free).
flipvo.com-$0.01listed
tollbooth
Cheapest possible paid call: proves your wallet, our 402, and the receipt path work. Returns pong and a timestamp.
flipvo.com-$0.001listed
tool-call-guard
Ask whether a tool call should run automatically, need human confirmation, or be denied, given the user's request - returns allow/ask/deny with a probability. Advisory only: like any LLM-based judge it is sensitive to prompt injection in the request or tool call, so the calling agent must keep the final decision, not delegate it outright. Try GET /guard/sample.
agentindex.world-$0.001listed
toxicity-detection
Toxicity detection: classify text as toxic or not toxic (hate speech, harassment, threats, severe offensive language) with a confidence score. Powered by Jev, with an automatic Groq-hosted LLM fallback if Jev is slow or unavailable - under 4.5s guaranteed. Try GET /toxicity/sample.
agentindex.world-$0.002listed
travel-advisory
US State Department travel advisory for a destination country. Returns the advisory level one to four, its label, the summary and the last-updated date, normalized to one cited JSON. Authoritative and live. Informational, not travel advice.
agentstools.dev-$0.01listed
travel-entry
International entry requirements for a passport and destination pair. Fuses the community visa requirement, a passport-validity rule, the US State Dept travel advisory level and summary, and current CDC travel-health notices into one cited JSON with derived documents and notes. Informational, not immigration advice.
agentstools.dev-$0.03listed
travel-visa
Visa requirement for a passport and destination pair from a community visa-matrix. Returns the normalized requirement such as visa free, visa on arrival, e-visa, electronic travel authorization or visa required, with the visa-free day allowance where applicable. Indicative, not authoritative. Verify with the embassy.
agentstools.dev-$0.008listed
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