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Compute a SHA-256, SHA-384, or SHA-512 digest of UTF-8 text; returns hexadecimal output (default SHA-256).

Hash & Integrity

Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Returns Current server time as ISO 8601 and Unix epoch milliseconds, returned only after a real settlement. $0.01.

Gas price on Base and Ethereum in ONE call (legacy gas price + EIP-1559 priority fee, wei and gwei) — Genesis402 / UnyKorn Operator Network

Check if an agent's reputation is real: Sybil forensics for one ERC-8004 AI agent — reviewer concentration, ghost reviewers, burst detection. Is this agent's feedback bought? No account, no API key

Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one call. Pass ?at=<unix> for the historical price at a point in time. Sourced from DefiLlama across every major chain.

Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.

Convert flat tabular JSON (array of objects, or {meta, data, result_type}) to TOON, a compact pipe-delimited text format with ~60-70% fewer tokens than JSON. $0.005 per call via x402 USDC on Base or Solana, or a bearer token.

Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 29 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on B

You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, cha

Returns cited land use, acreage, year built and legal jurisdiction for an address or jurisdiction-scoped parcel id. Returns the same records as locus_parcel_lookup. Use this when your client can only call paid x402 routes. Use locus-parcel-value instead when you need assessed value and sale fields from the resolved official parcel. Wired official parcel sources only. No owner or mailing fields.

Live Bring a Trailer auctions (collector cars, motorcycles, parts), optionally filtered by words in the title (e.g. porsche 911) or no-reserve only: title, model year, current bid with currency, auction end time, no-reserve flag, country and listing URL, soonest-ending first, from BaT's public auctions page.

Search for tweets by query (optional product filter; paginate with cursor). Example: GET /api/search/tweets?q=typescript

Fetch any URL (web scraping / URL fetch) and get the raw content: HTML/JSON/text as text, images and PDFs as base64 (for multimodal LLM input), or markdown. Final URL after redirects, status, content type, size. Fetched from Cloudflare's edge (fallback for sites that block it), up to 5 MB. Error statuses are not charged.

Smart money analysis: YES/NO concentration, sharp holders (track record), unusual-wallet anomalies, net flow, and directional lean. Anomaly intensity is NOT a trade recommendation.

Get a Firebase ID token for authenticating with the callable APIs

Checks an x402 (HTTP 402 payment) endpoint before you pay: one unpaid GET, then the HTTP status, whether a 402 challenge with an accepts list is present, the payment networks, asset, price and pay-to address format, CORS header and response time. Does not pay, does not verify the seller's identity or reputation, and gives one sample, not uptime.

Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled | attempted_payment | probe_only | low_signal | unknown), observed counts, Ed25519 attestation. $0.01 USDC/entity on Base or Solana. Fold the score into your own counterparty model — wire it into your scoring loop

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.

Spot price: the on-chain DEX price for SOL, BTC or ETH, the median of deep USDC pools on Solana, Ethereum and Base read from chain state, and the pools that served it. Use when you need to answer: What is the spot price, without picking a venue? Any other symbol answers 400 with the supported list and is never billed.

Answer a question about an image, or describe it, from a URL or base64. Image understanding pay-per-call, no account and no API key: send an image URL (or base64) and an optional question, receive a plain-language answer from a multimodal…

Send email notification for payment confirmations, alerts, receipts.

Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile.

Delx Commerce cheap image generation API 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. Commercial FLUX Schnell stills via x402 on Base or Solana—public WebP URL, SHA-256 receipt, and 11 aspect ratios. No subscription.

Wikimedia Commons image search (MediaWiki API, public, no key): file title, direct image URL, size, MIME type, license, author and description for free-licensed files. Returns file metadata only, not image bytes.

Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows.

Get Smart Money Holdings Data

Price a swap without building a transaction. Returns expected input, output, and gas without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state.

Read back values the paying wallet saved with /paid/memory/set: one key, or list your keys by prefix (keys, sizes and expiry, newest first). Another wallet can never see them. No free trial.

US Congress bill status from the official GPO GovInfo BILLSTATUS bulk XML (the GovTrack API it replaces has closed): title, sponsor, introduced date, latest action and official congress.gov link for one bill by congress, bill type and number. Covers congresses with BILLSTATUS files (119 at test time).