Paid services matching “api discovery”

API recommendation and x402 discovery for your task. Required query: need. Which API should I call? Recommends which x402 API to use for any task, with evidence. Describe a task in plain words. Compare up to five paid APIs, URLs, prices, payment networks and invocation details. Includes paid delivery evidence and risk flags. Provider calls are paid separately. No picks / non-2xx is never charged.

Pre-payment check of an x402 API endpoint: discovery files, live 402 terms, comparable USDC prices, latency, prompt-injection flags and public Coinbase CDP Bazaar payment statistics for the host. Heuristic, not a guarantee. $0.002; unreachable targets are free. Online shops: pre_purchase_merchant_trust_check.

TikTok profiles, posts, comments, fast-API feeds, search discovery.

LONG Events events API: global electronic-music event discovery with structured artists. Actions: discover, list, stats, catalog_stats, spotlight_candidates, get_sets, get_now_playing, get_schedule, search_artists, get_artist, get_artist_events, list_artists. Artist-action identity objects include nullable mbid and verified spotify_id; artist event payloads include the resolved closest-to-purchase

Audit a public HTTPS x402 API without payment: HTTP 402 challenge metadata, Bazaar and well-known discovery, OpenAPI 3.1 operation schemas and payment declarations, redirects, latency, and security headers.

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. VPIN measures volume-synchronized order-flow imbalance (an adverse-selection proxy, not a probability); see excessVpin. Discovery examples use the la

Semiconductor intelligence API for agents. Covers fab capacity, foundries, GPU shipments, advanced packaging, export controls, chip manufacturing, and supply-chain disruptions. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402 on Base Mainnet; free discovery available.

SEC filing risk analysis by stock symbol / 按股票代码自动做财报风险体检. Submit a US ticker, report type and period; the service retrieves the official SEC filing and company facts, identifies its source and period, extracts key metrics, analyzes accounting, earnings-quality, cash-flow, debt/liquidity and governance risks, and returns traceable evidence with SEC URLs. GET discovery alias; report_type defaults t

Did this Base payment settle? Status, block, timestamp and confirmations for one transaction hash, with its ERC-20 Transfers decoded (token, from, to, amount; up to 100 listed, transfers_total gives the full count) and any EIP-3009 authorization used, plus match flags for an optional expected payTo and amount, so an x402 PAYMENT-RESPONSE can be checked. Required: hash. $0.002 USDC on Base. Transac

Which x402 endpoint should I call? Describe the job in plain words; get the 3 best endpoints from different providers, each health-checked live just now, with its current price quote, its inputs and the reasons — ranked over the whole Coinbase Bazaar catalog by fit, real paying demand and health. Uncharged when nothing passes.

Full-surface analysis of a target: a website, an API, a shipped JS bundle, or (as a prepared runbook) a local artifact such as an ELF/PE/.NET/Mach-O binary, an Electron app.asar, an APK or a jar. Returns a capability map where every claim carries its evidence, the entry points found, feature flags and client-side secret shapes (shapes only, never values), and an explicit list of what could not be