All services

thirdweb API: listPayableServices - Discover resources

Astronomy picture of the day API: one featured space image or video per day — title, plain-language explanation, media type, and full-resolution URL — as structured JSON. Defaults to today's picture; pass an optional date (YYYY-MM-DD) for any day back to mid-1995. Use for daily-digest bots, content-scheduling agents, and space-education or novelty feeds. Cached 1 hour.

Live valuations for private, pre-IPO companies — Anthropic, OpenAI, SpaceX, Anduril, Neuralink, Kalshi, Polymarket — in one call, via PreStocks Solana tokens backed 1:1 by SPV exposure. Per company: mark price and valuation, on-chain token price and implied valuation, the token's premium/discount, supply, and contract. The catalog's only pre-IPO feed. From x402stock

Unlock the full bounty description, requirements, and reward details for a single bounty. $0.10 per unlock, agent-native via x402.

Unlock the full bounty description, requirements, and reward details for a single bounty. $0.10 per unlock, agent-native via x402.

Unlock the full bounty description, requirements, and reward details for a single bounty. $0.10 per unlock, agent-native via x402.

Live on-chain report for a tokenized stock or ETF on Robinhood Chain by ticker symbol: ERC-20 name, decimals, total supply, current oracle price in USD with raw answer and update timestamp, staleness flag, and explorer link. Read-only public blockchain data with source citations — informational only, never investment advice.

Validate an email address's syntax and confirm its domain has live mail servers configured (MX records, falling back to A record), returning the parsed domain and sorted mail hosts. For cleaning contact lists, pre-checking signup forms, and CRM enrichment agents that need to filter out addresses that can never receive mail.

Webpage-to-markdown extraction: submit any public URL and receive the article body as clean markdown, with navigation, ads, and boilerplate stripped and the byline preserved. Respects each site's crawl permissions automatically. Built for feeding readable page content into summarizers, search indexes, and language-model context windows.

Readable-article extraction API: strips a public web page down to its title, author line, and main body text, discarding menus, ads, and sidebars. A pre-crawl permission check runs first, honoring each site's crawl rules. Useful for building article archives, feeding LLM pipelines, or preparing pages for text-to-speech and translation.

Timezone conversion API: what is 3pm Tokyo time in Chicago? Convert wall-clock time between IANA zones with DST handled correctly, plus UTC and unix epoch.

Answer: What open jobs are on this client-rendered bounty board now? Return a structured JSON snapshot from the owned SQLite history. Each open job includes selected source fields, its source URL, observation times, and state changes. Supported slugs are bountybook, taskmarket, and superteam. Current board data is free from https://api.bountybook.ai/jobs, https://api.taskmarket.dev/api/tasks, and https://superteam.fun/api/listings. This paid answer adds selected common fields, stored observation times, observed state changes, source status, and source links for one board. Stored coverage started on 2026-08-28. State-change coverage is thin. Live owned-store depth: bountybook: 34174 observations over 205 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-31T16:01:03.233545+00:00, superteam: 15167 observations over 1991 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-31T16:01:03.233545+00:00, taskmarket: 46029 observations over 276 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-31T16:01:03.233545+00:00.

Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Check whether a Robinhood Chain price feed has updated within its expected interval before relying on the quote. Returns age in seconds, the heartbeat budget, grace window, and a stale/fresh verdict, plus round metadata an agent can recheck on-chain itself via the included feed address.

Is the on-chain price for a tokenized equity trustworthy right now? Runs staleness, positive-answer, and round-validity checks against the asset's price feed on Robinhood Chain and returns a single status verdict plus per-check detail. For agents that gate downstream decisions on oracle freshness.

Oracle freshness monitor for tokenized stocks and ETFs: reports the age of the latest price update against the feed's heartbeat, flags non-positive or invalid rounds, and states plainly when a check (like sequencer uptime) cannot be verified. Raw round id, answer, and timestamps included for independent auditing.

Detect and track active market narratives — AI tokens, RWA, L2 wars, memecoins, DePIN. What stories drive capital flows.

SYNTHORA marine-wave-forecast: sea state for any coast/port or chokepoint (Hormuz, Suez, Panama, Malacca, Gibraltar, Bab el-Mandeb, Dover presets) — wave height, period, swell, Douglas-scale verdict and navigability flag. Complements chokepoint-transits for shipping disruption markets. Source: open-meteo Marine (ECMWF/NOAA WaveWatch III, no key). $0.005 USDC x402 Base.

SYNTHORA noaa-tides: tide and water level for US ports/stations, VERIFIED by crossing NOAA harmonic prediction with the LIVE observation at the same station — the anomaly (observed minus predicted) is the storm-surge/port-disruption signal. Source: NOAA CO-OPS official, free, no key. $0.005 USDC x402 Base.

SYNTHORA who-gho-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — public-health data for research and policy agents. $0.005 USDC x402 Base. Ratings: GET /v1/ratings/who-gho-timeseries.

Recent SEC filings (10-K, 10-Q, 8-K) for a US-listed company, via SEC EDGAR Submissions API. Requires 'ticker' query param, one of the 10 whitelisted stock tickers.

Returns whether a specific accessory is compatible with a specific device, along with a confidence score and source citation. Accepts GET (query params) or POST (JSON body) — POST is used by x402 payment clients. Where a pair is covered by

x402 endpoint reliability pre-flight: factual service-delivery measurements of a target x402 endpoint before an agent pays it — reachability/uptime rate, valid-402 rate, response latency (p50/p95/p99), last status, and sampled paid delivery verification. Facts only (no trust score, no 'scam' label). Check whether an endpoint is live and delivers before spending on it.

Batch x402 endpoint reliability: factual delivery measurements (uptime, valid-402 rate, latency, last status) for an agent's whole tool list of x402 endpoints in one paid call. Endpoints with no stored history are probed live, so every billed URL returns real facts. Sweep every endpoint you depend on before relying on them. Billed per endpoint, with volume discounts at 10+/50+/100+ URLs. Facts only — not an endorsement or rating.