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AI-generated market insight for a given topic

Get a random inspirational quote

AI-generated market insight (one-shot).

Verify that a Base mainnet transaction paid at least N USDC to an address (optionally from a given sender, with K confirmations). Returns matched transfer, block time and confirmations. Read-only.

Service: Website URL Extractor (https://url-extractor.x402.paysponge.com/url/:domain)

Company enrichment: send a public company domain (or name) and get the company's name, website, short description and the public web sources it was resolved from, with a deterministic match-confidence score. Data is fetched live from a web search provider per call.

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Get user's latest tweets

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Deterministic static triage of public Solidity repositories. Returns ranked risky-code review leads; no live-chain access.

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Search the TrustLink verified XRPL link registry (up to 10 ranked matches with verification receipts).

Service: Tripadvisor (https://tripadvisor.x402.paysponge.com/api/v1/location/:locationId/photos)

Trench Lessons: pre-trade risk flags for a Solana meme coin mint (curve-skip PumpSwap pool, unlocked LP, Mayhem mode, bundle handoff) from read-only on-chain data

aave-v3-arbitrum-usdc: USDC supply APR, time-weighted over 2026-09-23→2026-09-24, signed. Cheaper than the agent turns you'd burn finding the contracts, decoding ray-scaled rates, sampling the series, and time-weighting it — you trust the math, not us. Verify it offline — schema, every published figure recomputed, and the secp256k1 signature — with no API call and no trust in us.

Find transcript passages matching a phrase or terms in a public YouTube video, with timestamp citations.

Sells a one-time Transcript Pack job token for audio up to 10 min ($0.10 USDC on Base). Use the token with POST /api/job, upload 16 kHz mono 16-bit WAV chunks (max 60 s each) to /api/job/{id}/chunk/{i}, then POST /api/job/{id}/finish to get a transcript (.txt), captions (.vtt) and AI show notes (.md). See /llms.txt.

Fetch a web page and return it as clean markdown a model can read — the words, the headings and the links, without the navigation, scripts or cookie banners. Send `render: true` for pages that only appear after JavaScript runs. $0.0050 per page, flat. No account, no API key, no signup: the payment IS the authentication.

US trade-flow + tariff signal by commodity

Binary Kelly stake from your p_yes and venue ask/bid, optional fee_bps and fractional Kelly. Pure compute — you supply prices.

Describe a task in plain language and get the 3 best live, trustworthy services with the reason for each, call instructions and fallbacks.

Checks one LLM tool/function definition against the schema rules of OpenAI (incl. strict mode), Anthropic, Gemini and MCP without changing it. Returns a compatible true/false flag per provider and every problem with its JSON pointer path, so a tool can be fixed before an API call is rejected. Deterministic, no LLM.

Convert 1..1000 flat records and at most 64 columns to formula-mitigated CSV. Price: $0.005 USDC per call.

Use when you need to know what a website is built with (CMS, frameworks, analytics, CDN, hosting), who hosts its email and DNS, and how good its security headers are. Up to 3 domains per call; fetches each homepage once, follows robots.txt.

Lint any x402 endpoint the way buyer agents and Bazaar catalogs see it: unpaid probe, decoded 402, accepts/bazaar/well-known/openapi checks, scored fix list (GET /check?url=https://...)

Near-me 7-day summary around lat/lon

Normalized US macro rates feed (Treasury avg interest, debt to the penny, FX, daily yield curve, BLS CPI) — latest plus history

Package trust pack by path (eco + name)

FDA food/drug/device recall enforcement search (query: product, firm, classification, productType, status, dateFrom, dateTo, limit 1-50, skip). Bad input 400, no matches 404, upstream error 502; none are charged. Not for clinical use.