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Data & analytics
1,801 listings from 1,242 providers, 1,424 answering · counted
Filed by addrbook from the words in each listing, so a heading says what a listing claims to be for.
Showing 126–150, one row per provider, those answering first · names and descriptions as their source publishes them
- 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
- x402-v2-mint-data-gouv-datasets.vercel.app/v1/data-gouv-datasetsx402-v2-mint-data-gouv-datasets.vercel.appdata.gouv.fr datasets search (keyless). POST {q}/{page?}/{page_size?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: eurostat-dataset (FR open data catalog ≠ Eurostat SDMX).Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402-v2-mint-data-gouv-datasets.vercel.app
- x402-v2-mint-eurostat-dataset.vercel.app/v1/eurostat-datasetx402-v2-mint-eurostat-dataset.vercel.appEurostat dissemination statistics (keyless). POST {dataset}/{geo?}/{time?}. Empty -> 400 not charged. New EU official-stats vertical — disclose dataeuropa/oecd/worldbank adjacency.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402-v2-mint-eurostat-dataset.vercel.app
- x402-v2-mint-dataeuropa-ds.vercel.app/v1/dataeuropa-dataset-searchx402-v2-mint-dataeuropa-ds.vercel.appdata.europa.eu hub dataset search (keyless). POST {q}/{limit?}. Empty -> 400 not charged. humdata/dataverse/canada-od adjacency disclosed.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- api.thetrustlayer.xyz/history/base%3A1378api.thetrustlayer.xyzFull score time-series for an agent. Returns all historical trust score snapshots, trajectory (7d/30d change), and volatility (standard deviation).Livechecked Evidence 1/4x402x402 Bazaar1 payer
- x402-v2-mint-openaire-datasets.vercel.app/v1/openaire-datasetsx402-v2-mint-openaire-datasets.vercel.appOpenAIRE datasets search (keyless; ≠ publications). POST {title?}/{doi?}/{size?}. Empty -> 400 not charged. openaire-publications/zenodo/dryad/figshare/dataverse adjacency disclosed.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402-v2-mint-openaire-datasets.vercel.app
- stall-rowstall-row-production.up.railway.appLedger Dataset (full) — every route in the fleet's x402 observation ledger with its current state: observed and listed terms, latest status, check/change/recovery counts, derived defect class, catalogue listing and usage counters, plus the per-origin rollup and full provenance. Built from the Recheck history and the CDP snapshots this service holds; observation data only. Use this when you need route-level state for monitoring, grading, or dataset work.Livechecked Evidence 1/4x402x402 Bazaar1 payer2 more from stall-row-production.up.railway.app
- US Demographic Intelligenceagent-vending-production.up.railway.appPopulation statistics and U.S. Census demographics: ACS 5-year demographic and population statistics (income, education, labor, housing) with margins of error for a state, county, place or ZIP area; snapshot, compare 2 places, trend, catalog. Data: U.S. Census Bureau American Community Survey (ACS); not endorsed by the Census Bureau. Invalid input: HTTP 400/422, not charged. US Demographic Intelligence docs: https://agent-vending-production.up.railway.app/integrateLivechecked Evidence 1/4x402x402 Bazaar1 payer
- api.spendpreflight.com/v1/books/statementapi.spendpreflight.comSpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them. Export native Base USDC wallet transfers as JSON or CSV for a past range up to 90 days, start inclusive/end exclusive. Exact decimal running balances, counterparties and OFAC flags. Up to 1000 transfers/128 RPC calls/25 seconds; oversized or unavailable historical data fails without charge. Informational, not tax advice.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- archtools.dev/v1/tools/convert-formatarchtools.devConvert between JSON, YAML, CSV, XML. Pay per call with USDC (x402) or credits - archtools.devLivechecked Evidence 1/4x402x402 Bazaar1 payer
- nightshift-x402.nightshift-labs.workers.dev/v1/wallet/screennightshift-x402.nightshift-labs.workers.devWallet / counterparty screen before you send funds or accept a payer: OFAC SDN sanctioned-address check (EVM list, refreshed from the 0xB10C OFAC dataset), address type (EOA, EIP-7702 delegated, contract, token contract), Base and Ethereum tx counts, ETH/USDC balances on Base, burn-address detection and an optional address-poisoning look-alike check against the address you expected (same first/last 4 hex). Verdict block/high_risk/caution/no_red_flags.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Genexxis Web Toolswebtools.genexxis.comHTML table extraction to JSON/CSV. Extract the HTML tables of a public web page as clean JSON (headers, rows, records keyed by header) or CSV: colspan/rowspan expanded, nested tables split, layout tables skipped. Pick one table by index or get all (max 30, 5000 rows each). HTML only, no PDF. Errors and pages without tables are not charged.Livechecked Evidence 1/4x402x402 Bazaar1 payer