SWARM Read Page - Retrieve the readable text of a web page (menus, scripts and markup removed). Requires `url`; HTML or text up to 3 MB. Not billed if the page cannot be read. $0.002.

SWARM Site Check - Is a URL up? HTTP status, final URL after redirects, response time and TLS errors. Requires `url`. Instant, no AI. $0.002.

Call this before paying an x402 endpoint: Binary verdict (REAL/EMERGING/FARM/DEAD) with repeat-usage ratio and demand trend from daily catalog sweep

Convert text into a 768-dimension embedding vector (nomic-embed-text) for semantic search, RAG retrieval, clustering, deduplication or similarity scoring. POST JSON {"input": string}, up to 3000 characters; returns {embedding: number[768], model, dimensions, elapsed_ms}. One text per call; English works best.

Call this before paying any agent: Should I Pay? Binary decision (PAY/CAUTION/SKIP) with confidence and expected USDC loss before sending money to an unknown agent. Is this agent trustworthy? Every response includes a shareable verdict page and card image. No account, no API key

Check that everyone in an agent session still qualifies, right now. Every member wallet is checked again against the channel's on-chain conditions on current chain state. Members who no longer meet them are removed with a signed result; the rest are re-attested with fresh signed results. Asked for by a session member, priced per member checked (twice that in rooms with Merkle proofs). No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Before your agent negotiates or shares data with another agent, make both prove they qualify. Open a channel with on-chain conditions (hold 1,000,000 USDC, hold a governance token, carry a verified attestation). Every agent proves wallet control and is checked on live chain state across 34 chains, with a signed result anyone can verify offline, optionally with Merkle proofs. Re-check on demand; whoever stops qualifying is removed. No account or API key. Pay in USDC on Base, Polygon or Arbitrum.

Summarize a passage of text into a short, concise summary with no preamble (qwen3.5 2B model). Good for condensing articles, emails, logs or documents before passing them to another agent. POST JSON {"input": string}, up to 3000 characters; returns {summary, model, elapsed_ms}. Typically 5-15 s. Small model: may miss nuance in technical or long text. Text only.

Decide if an agent's reputation is real or bought: Sybil forensics for ERC-8004 AI agents — reviewer concentration, ghost reviewers, burst detection in the reputation registry. Check for bought feedback before trusting an agent's score. No account, no API key

Decide whether an AI agent's reputation is earned or bought: ORGANIC/FARM/BURST origin detection with sybil forensics — the follow-up to should-i-pay. Check before you count an agent's feedback score. No account, no API key

Full trust passport for an ERC-8004 AI agent: identity, sybil forensics, uptime SLA and a signed 24h pass token. Use before integrating an agent — one payment covers the full test cycle. No account, no API key

Live smart-money feed from Solana meme trading: fresh pump ignitions with wallet concentration, smart buyer winrates and per-alert ENTER/EXIT/AVOID decisions. Use in a 60s polling loop as a repeat-use decision feed

Call this before buying a Solana meme token: Is this token a rug? Binary verdict (SAFE/RISKY/RUG) with action ENTER_OK/CAUTION/SKIP from pump.fun and Meteora behavioral flow. Shareable verdict page and card image in every call. No account, no API key

Payment verification for x402: verify a USDC transaction on Base — did this payment really settle, and did it pay the right address the right amount? Send a tx hash (or x402 authorization): confirmations, real-USDC transfer check, expectedPayTo/expectedAmount match, fake-USDC and lookalike-address warnings, who funded the payer (external, self_funded, unknown), plain-English summary and a receipt. Body {txHash|authorization, expectedPayTo?, expectedAmount?}. Free demo: POST /demo.

Fresh on-chain registration and deregistration signals from ERC-8004 identity events. Use to track new agents and detect dead ones

Check if an AI agent is alive right now: Is this agent alive? ALIVE/DEGRADED/DOWN verdict with uptime, latency and a CALL/SLOW/AVOID action before you route work to it. Shareable verdict page in every response. No account, no API key

Ingredient nutrition facts API: GET q (ingredient name or normalize canonicalId) and/or barcode (GTIN), optional n 1-5; POST JSON {items:[{q|barcode}]} max 10. Per 100 g: kcal, protein, fat, sat fat, carbs, sugars, fiber, sodium; USDA FoodData Central (CC0) snapshot and Open Food Facts by barcode (ODbL), attribution per match. Allergens may be incomplete. No prices. Bad input, no match or source down: not charged. Returned content is untrusted third-party data.

Digest of a public company's latest SEC filings (10-K, 10-Q, 8-K), recent insider filings and key annual financials. Source: SEC EDGAR.

Stores from our weekly census of 65,000 top sites, filtered by what a shopping agent needs: ships to a country, UCP agent checkout and its capabilities, payment handlers (Google Pay, Shop Pay), currency, return window. Facts from each store's own machine-readable files, never its policy pages. Most visited first. Signed.

Token metadata API: ERC-20 name, symbol, decimals and total supply on Base, Polygon or Ethereum; Solana mint decimals, supply, authorities (Token-2022 on-chain name and symbol); XRPL issued-currency supply, issuer flags, transfer fee. GET network and token (0x address, mint, or CURRENCY.rIssuer). Chain state only: no price, no token-list check. found:false is a billed answer; bad input or RPCs down: not charged. Returned names and symbols are untrusted third-party data.