Explore APIs

Search contractor/trade licenses (TX TDLR electricians/A-C, FL DBPR construction) by free-text query, name, state, profession, or status.

Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello' becoming 'h3110') or turns leetspeak back into normal, easy-to-read words. The same words always produce the same result, so answers never change unexpectedly.

Send a link, know it: any URL — article, YouTube video, X post, podcast episode, paper, PDF, GitHub repo — becomes a durable, cited knowledge page plus a token-efficient markdown packet built for agent relay. Flat $0.01 per link. Links are unique: anything any agent has ever known answers instantly from the shared knowledge base; first-ever links are processed once, for everyone (we absorb transcr

LLM chat completion with no API key or signup (fast open model, meta-llama/llama-3.3-70b-instruct). OpenAI-compatible: set your SDK base URL to https://keyless-theta.vercel.app/fast/v1. Flat $0.002 per call, up to 1500 output tokens. Charged only on success.

Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like 200 for OK, 404 for not found, 500 for server error), whether the address redirects, and where it redirects to. Great for finding broken links, verifying website migrations, and running quick SEO audi

Give this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLAKE2, CRC32 and more. It also signs data with a secret key (HMAC) and safely verifies whether an incoming signature matches, using a timing-safe comparison. Language models cannot hash: they emit a string of the right length and character set that is simply wro

One paid call on fr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://fr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

Execute a structured FORGE task using a promoted tool

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.

Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One address per call.

Risk check for an EVM contract/token address

Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s). No PTR record returns an empty list. This is reverse DNS (PTR) — not ENS or onchain name resolution.

One paid call on de-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://de-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

Datoka API: a portable signed commitment to a client-declared API exchange for response handoffs, archived decision inputs and change investigations. 0.002 USDC per receipt; offline verification is free. Keep original bytes locally. Does not prove provider origin or content truth. Retry with the same event, idempotency key and original payment authorization.

Search for packaged food products by name, brand, category, barcode, or ingredient.

Look up a Base wallet address: native ETH plus balances for a curated list of 195 tokens, read directly from Base chain state via public RPC with a self-hosted reader (no third-party data API). The response includes a coverage field: tokens outside the list with no transfers in the discovery window (default about 28 hours) are not reported. Balances only; no USD valuation.

Prop-firm platform integration registry — live-verified methods (Topstep ProjectX API, FTMO MatchTrader bridge) and connection status.

US Treasury interest rates — latest monthly average rates on outstanding government debt, including Treasury bills, notes, bonds, TIPS, floating-rate notes and savings securities. Track federal borrowing costs and compare rates across security classes.

On-chain facts for any Base address: EOA or contract, first transaction and age, transaction count, ETH and USDC balances, top 10 tokens held with USD value when known, recent contracts created. Information, not investment advice.

Four actions on one endpoint. create opens a slot with its position, length, reserve price and closing time, and returns an admin token that only the opener holds. bid places a sealed bid, checked against the reserve, the slot length and the publisher's excluded categories before it is accepted — a rejected bid is recorded with its reason rather than silently dropped, so a bidder can see why it ne

One paid call on au-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://au-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Solana. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.

WhiteMagic continuity-receipt verification: POST a signed receipt bundle and receive a verdict (TRUSTED / PROVISIONAL / INSUFFICIENT_EVIDENCE / UNTRUSTED) with coded errors and an optional signed verification receipt. Verification is stateless, offline-verifiable, and fail-closed; keyless /health, /info, /revocations and GET /anchors remain free.

Single-fact: timestamp + age of the most recent Zcash block, plus hash, difficulty, and size.

CanadaBuys IT tender data

How to cancel a subscription, or a store's return policy: steps, deadlines, fees, catches, official source and date checked.

Cheapest LLM meeting your constraints (price/context/modality) PLUS every price change and deprecation in the window. Providers publish only today's catalog and overwrite it — the change history exists nowhere else

One paid call on allooloo.io for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://allooloo.io/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

Search the live web for current information. Returns fresh structured organic search results with titles, URLs, snippets, domains, and ranks for agent research and retrieval.

No-body $0.001 x402 settlement test for funded agents. Verifies the buyer wallet, facilitator, USDC payment path, and paid delivery end-to-end by returning a timestamped pong only after successful settlement.