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Data & analytics
1,791 listings from 1,235 providers, 1,405 answering · counted
Filed by addrbook from the words in each listing, so a heading says what a listing claims to be for.
Showing 751–775, one row per provider, those answering first · names and descriptions as their source publishes them
- perp-gap-api.perpgap.workers.dev/exportperp-gap-api.perpgap.workers.devBulk export of one UTC day of live 30-minute snapshots for all tracked stock perps (top 40 auto-discovered tickers by open interest × up to 48 snapshots): trade.xyz vs stock vs xStock gaps, basis, funding, OI, plus Aster and Lighter marks, funding and cross-venue gaps. JSON or CSV.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- scry.solanahub.de/x402/solana/agent-intel-briefscry.solanahub.deAgent-orchestrator Solana wallet-intelligence brief via x402: 24h/7d context, cutoffs, coverage gaps, and next evidence depth. Use to choose the next Scry route — not as a substitute for a known-wallet dossier, Birdeye charts, or Nansen smart-money. Evidence routing only.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- DopamineDesk AI Marketplaceai-data-marketplace-1042299154756.us-central1.run.appFind current official business-registration leads from Chicago and San Francisco open-data APIs. Results include source-dataset and source-record links; this product does not claim private emails or buyer intent.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- dt0ur.online/api/documents/parsedt0ur.onlineParses ANSI X12 and UN/EDIFACT EDI documents into structured JSON, CSV, cXML, or a rendered Typst PDF invoice. $0.01 per document in any output format; payloads ≥10MB are metered up to $0.05 — see the 402 challenge’s `accepts[].maxAmountRequired` for the exact amount.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- ffpipeffpipe.devInspect any media file and get its technical metadata. Container, duration, codecs, DISPLAY dimensions and rotation, frame rate, HDR, audio channels and sample rate, in a normalized summary plus the full raw analysis (JSON, XML, CSV, flat or INI). Provide a source URL or upload the file directly; the result is downloadable for 24 hours. A file that cannot be decoded still answers with the diagnosis of why. Fixed price per probe in USDC over x402; no account or API key. Input up to 100 MB.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Payload Checkseenly-payload-check.vercel.appPayload Check: data-quality filter for agents. Send any payload (tool/API output, scrape, LLM answer, code, JSON, CSV) and get a 0-100 score, pass/warn/fail, tags and issues: invalid/truncated JSON (auto-repair), schema mismatches, syntax errors, captcha/404 scrapes, LLM refusals, placeholders, repetition, mojibake. Deterministic, no LLM, not stored. Free allowance: 10 calls/day per client network with no payment: add header "X-Free-Allowance: use" (or ?free=1) to a valid request.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- eu-verifydata.greeneris.ioOfficial French administrative reference from geo.api.gouv.fr (INSEE/IGN data). Look up communes by ?cp=31700 (postal code), ?code=31056 (INSEE), ?nom=Blagnac (fuzzy name) or ?lat=43.63&lon=1.37 (commune containing a point). Returns up to 20 communes with name, INSEE code, population, postal codes, departement, region and EPCI. The postal-to-INSEE mapping is the pivot key for joining French territorial datasets. Cached 7 days.Livechecked Evidence 1/4x402x402 Bazaar1 payer2 more from greeneris.io
- Particle Proapi.particle.proList ranking sources. Returns each (source, chart_type) pair available on this API together with row counts and freshness for the live snapshot.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Exende Resolveresolve.exende.devExende Resolve turns a public URL into machine-readable web, document, data, text, or image metadata. It detects resource type, extracts static HTML, renders JavaScript pages only when needed, parses PDF text, JSON, CSV and plain text, and returns a normalized result.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Agent Web-Accessweb.cyberwarex.comExtract text from an image by URL (OCR): PNG/JPG/WEBP/TIFF/BMP of a screenshot, scan, receipt, chart or photo -> the readable text, via the Tesseract engine. Keyless, no LLM. Use it to read text an agent can only see as an image. SSRF-guarded; max ~10MB.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-factoryx402-factory.comProbability time series for a market with key-move detection — Hourly or daily blended probability series (per-venue series included where listed) with volume, plus key_moves: buckets where the blend moved at least 5 points. Useful for charting and for change-point context before paying for realtime reads.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- api.cryptoetfsentinel.com/v1/xbrl/seriesapi.cryptoetfsentinel.comCrypto ETF Sentinel — Historical quarterly time series for one XBRL concept (AUM, NAV, shares outstanding, etc.) on one US spot crypto ETF issuer. Use when charting a single fund's growth or checking a reported figure against its SEC filings. Pass the issuer's SEC CIK as cik; optional concept, unit, taxonomy.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- pulse.chainverdict.xyz/v1/archive/fullpulse.chainverdict.xyzThe complete daily observation history of third-party x402 endpoints since first observation, with the Merkle root of each day. Each root is chained to the previous day and timestamped into Bitcoin via OpenTimestamps, with explicit historical integrity limitations. A timestamp alone does not verify the underlying records. The most recent 7 days are free at /v1/datasets/day/{day}; the manifest and verification method are free at /v1/datasets/manifest.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- grove.g-datalabs.com/api/data-check-paidgrove.g-datalabs.comCheck CSV data for missing values, duplicate rows, schema mismatches and invalid types. Returns a deterministic JSON quality report. Up to 1 MB and 10,000 rows. No AI model calls. $0.01 USDC per check. Resubmit the same payment and input to recover a response.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- nsgoods Plug-in Solar Legalitysolar.nsgoods.orgSigned full 50-state plug-in solar legality dataset. Free preview: GET /solar-legality/preview If the signer is unavailable it returns 503; you are never charged for an error.Livechecked Evidence 1/4x402x402 Bazaar1 payerCoinbase-attested wallet
- api.carbon-cashmere.de/v1/bittensor-derivatives/alpha-price-history/:netuidapi.carbon-cashmere.deTime-series of alpha-token price for a single Bittensor subnet (window: 1h/24h/7d/30d). Sourced from bittensor_alpha_prices captured every 10 minutes. AI agent API for alpha-token trading signals. Informational research data — not investment advice.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- LUMIapp.tenna.aiSealed Forecast History. Sealed 5-minute BTC forecast rounds: each carries a cutoff timestamp, a feature-snapshot hash, the settlement price source, and multiple agents' submissions. Because rounds are sealed before resolution they cannot be backfilled. A dataset for benchmarking, not a trading signal.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Editable SVG Chart Starter Kit Nspeedbot.devEditable SVG Chart Starter Kit Node CLI + Five Examples. Speedbot commercial edition of an original AI-assisted, dependency-free JavaScript kit for generating editable bar, line and scatter First approved purchase: 0.01 USDC total where maker terms permit; later 5 USDC plus tax. Stored ZIP download; commercial use, no redistribution. Verified by Speedbot for this version. Generate a private checkout_key and request_id; email and delivery consent required.Livechecked Evidence 1/4x402x402 Bazaar1 payer2 more from speedbot.dev
- VoidFeedvoidfeed.aiReturns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Open dataset finder + licenceapexfaucet.xyzFind open research datasets with a plain licence verdict per dataset: public domain, attribution, share-alike, no-derivatives, non-commercial. Find open data...Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-v2-mint-owid-grapher-vars.vercel.app/v1/owid-grapher-varsx402-v2-mint-owid-grapher-vars.vercel.appOur World in Data grapher CSV/variables (keyless). POST {chart|slug} (+ optional format/v). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New OWID research vertical; no live catalog adjacency.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-v2-mint-dataverse-dataset-search.vercel.app/v1/dataverse-dataset-searchx402-v2-mint-dataverse-dataset-search.vercel.appHarvard Dataverse dataset search (keyless). POST {q|query}/{per_page?}. Empty -> 400 not charged.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402-v2-mint-dataverse-dataset-search.vercel.app
- StableDomains Drop Radarstabledomains.netDomain Drop Radar full dataset: every expiring, pending-delete and just-dropped domain matching your filters (up to 1000 per call) with quality score, archive history, backlink and parking/spam signals. Registrable with USDC/USDT at stabledomains.net.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-v2-mint-figshare-article-search.vercel.app/v1/figshare-article-searchx402-v2-mint-figshare-article-search.vercel.appFigshare article/dataset search (keyless; prior-403 recovery). POST {q|search_for|query}/{page_size?}. Empty -> 400 not charged.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-v2-mint-dryad-datasets.vercel.app/v1/dryad-datasetsx402-v2-mint-dryad-datasets.vercel.appDryad research datasets search (keyless). POST {q|query} with optional {per_page?}. Empty → 400 not charged.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402-v2-mint-dryad-datasets.vercel.app