# Data provider APIs for AI agents

> 6 data providers ranked by the Anchor benchmark. Leader CoinGecko x402 API (BB). Market, company, weather and reference data behind an API. Scored on the data as well as the API, meaning coverage, freshness, history, method, licence and official standing.

- Canonical: https://www.anchorterminal.com/categories/data-providers
- Markdown: https://www.anchorterminal.com/categories/data-providers.md (~5,000 tokens)
- Slim: https://www.anchorterminal.com/categories/data-providers.min.md (~430 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/categories/data-providers.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-04

Market, company, weather and reference data behind an API. Scored on the data as well as the API, meaning coverage, freshness, history, method, licence and official standing.

- Tools ranked: 6 · agent-ready (BB or better): 2 · accept x402: 2 · hosted endpoints: 6 · desk reviews by the panel: 12
- JSON: https://www.anchorterminal.com/api/v1/tools.json (list) · https://www.anchorterminal.com/api/v1/rankings.json (ranked) · https://www.anchorterminal.com/api/v1/x402.json (payable) · https://www.anchorterminal.com/api/v1/capabilities.json (by capability)
- Grades run AA, A, BB, B, C, D, E, F · methodology: https://www.anchorterminal.com/benchmark/

- Capabilities in this category: data.markets, market.crypto, market.indices, market.news, data.company, data.weather, data.knowledge
- https://letme.dev/data.markets picks the top-graded tool in this list and says how to call it direct; calling through letme comes later (https://www.anchorterminal.com/letme/index.md)

## Ranking

| # | Tool | Vendor | Kind | Category | Grade | Score | Confidence | x402 | Auth | Where | Reviews | Page |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 76 | CoinGecko x402 API | CoinGecko | HTTP API | Data | BB | 71.9 | medium | yes ($0.01/call) | None | hosted | 3/5 (2) | https://www.anchorterminal.com/tools/coingecko-x402-api.md |
| 102 | Massive (formerly Polygon.io) | Massive | HTTP API | Data | BB | 70 | medium | yes ($0.01/call) | API key | hosted | 3.5/5 (2) | https://www.anchorterminal.com/tools/massive.md |
| 156 | Wikimedia REST API | Wikimedia Foundation | HTTP API | Data | B | 66.8 | medium | no | None | hosted | 4/5 (2) | https://www.anchorterminal.com/tools/wikimedia.md |
| 203 | Open-Meteo | Open-Meteo | HTTP API | Data | B | 63.5 | medium | no | None | hosted | 4/5 (2) | https://www.anchorterminal.com/tools/open-meteo.md |
| 365 | Companies House API | Companies House | HTTP API | Data | D | 49.8 | medium | no | API key | hosted | 4/5 (2) | https://www.anchorterminal.com/tools/companies-house.md |
| 391 | CoinDesk Data API | CoinDesk Data (formerly CCData / CryptoCompare) | HTTP API | Data | D | 46.9 | low | no | API key | hosted | 2.5/5 (2) | https://www.anchorterminal.com/tools/coindesk-data-api.md |

Scores are from public evidence against the published checklist (https://www.anchorterminal.com/benchmark/), with Performance and Task success pending. p95 latency and context cost come from our probes, which haven't run yet.

## Summaries

### 76. CoinGecko x402 API, BB (71.9)

CoinGecko exposes pay-per-call endpoints under an /x402/ path prefix of its Pro API, settled in USDC on Base with no API key. Five x402 endpoints at $0.01 USDC a request on Base or Solana, no key or account. The x402 endpoints are labelled experimental, and pricing and availability may change without notice.

- Page: https://www.anchorterminal.com/tools/coingecko-x402-api · Markdown: https://www.anchorterminal.com/tools/coingecko-x402-api.md · JSON: https://www.anchorterminal.com/api/v1/tools/coingecko-x402-api.json
- Capabilities: market.crypto · endpoint: `https://pro-api.coingecko.com/api/v3/x402/`

### 102. Massive (formerly Polygon.io), BB (70)

US market data API for stocks, options, indices, forex, crypto and futures, from the consolidated tapes. 23 US stock routes over x402 at agent.massive.com, $0.01 each on Base, and only successful requests are charged. About 18 unplanned incidents since 3 July, including 2.5 hours of intermittent 502s on stock aggregates on 2 September.

- Page: https://www.anchorterminal.com/tools/massive · Markdown: https://www.anchorterminal.com/tools/massive.md · JSON: https://www.anchorterminal.com/api/v1/tools/massive.json
- Capabilities: data.markets, market.crypto, market.indices · endpoint: `https://api.massive.com`

### 156. Wikimedia REST API, B (66.8)

Keyless REST API for Wikipedia and the other Wikimedia projects, with page content, search and full revision history. Keyless reads in about 300 language editions with revision history since 2001. api.wikimedia.org is being retired in stages through 2026.

- Page: https://www.anchorterminal.com/tools/wikimedia · Markdown: https://www.anchorterminal.com/tools/wikimedia.md · JSON: https://www.anchorterminal.com/api/v1/tools/wikimedia.json
- Capabilities: data.knowledge · endpoint: `https://en.wikipedia.org/w/rest.php/v1/`

### 203. Open-Meteo, B (63.5)

Open-source weather API over 30+ national and global weather models, with forecasts, historical reanalysis back to 1940 and no key for non-commercial use. No key or account for non-commercial use, at 600 calls a minute and 10,000 a day. Commercial prices appear only at Stripe checkout.

- Page: https://www.anchorterminal.com/tools/open-meteo · Markdown: https://www.anchorterminal.com/tools/open-meteo.md · JSON: https://www.anchorterminal.com/api/v1/tools/open-meteo.json
- Capabilities: data.weather · endpoint: `https://api.open-meteo.com/v1/forecast`

### 365. Companies House API, D (49.8)

Free REST API for the UK register of companies, with officers, filing history, charges and persons with significant control. The statutory register itself, 5,516,377 companies in June 2026. A person has to create the account and key.

- Page: https://www.anchorterminal.com/tools/companies-house · Markdown: https://www.anchorterminal.com/tools/companies-house.md · JSON: https://www.anchorterminal.com/api/v1/tools/companies-house.json
- Capabilities: data.company · endpoint: `https://api.company-information.service.gov.uk`

### 391. CoinDesk Data API, D (46.9)

Institutional market-data REST and WebSocket API covering spot, futures, options, reference-rate indices (CADLI, CCIX), asset metadata, on-chain data and news across 300+ exchanges, with an official hosted MCP server since May 2026. Official OpenAPI 3.0.3 document at data-api.coindesk.com/info/v1/openapi, with enums, examples and error responses from 400 to 503. No free or trial access since 2026-05-21, and no x402, so a person has to buy a plan before an agent gets data.

- Page: https://www.anchorterminal.com/tools/coindesk-data-api · Markdown: https://www.anchorterminal.com/tools/coindesk-data-api.md · JSON: https://www.anchorterminal.com/api/v1/tools/coindesk-data-api.json
- Capabilities: market.crypto, market.indices, market.news · endpoint: `https://data-api.coindesk.com`

## Indexed, not reviewed (67)

Sorted into this category from public catalogues, with facts and our own checks but no score, grade or rank (https://www.anchorterminal.com/indexed/index.md).

| Listing | Kind | What it does | Why it's here |
| --- | --- | --- | --- |
| [abutly-tools](https://www.anchorterminal.com/tools/abutly-tools.md) | MCP server | Abutly: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [Agent News by The Agent Times](https://www.anchorterminal.com/tools/theagenttimes-agent-news.md) | MCP server | Verified, sourced, real-time intelligence layer for AI agents. | vendor's own |
| [AI Crypto Sniper MCP](https://www.anchorterminal.com/tools/aicryptosniper-ai-crypto-sniper-mcp.md) | MCP server | AI-assisted Solana trading bot with 331 MCP tools across Meme, Spot, Perpetuals, and Mirror modes. | vendor's own |
| [aikstockdata — Korean Stock Data](https://www.anchorterminal.com/tools/aikstockdata-mcp.md) | MCP server | Korean stocks: median price path after each DART filing type, T+1 closes, earnings. 12 tools, no key | vendor's own |
| [AlgoVesta MCP Trading](https://www.anchorterminal.com/tools/algovesta-trading.md) | MCP server | Trade 16 crypto exchanges + MetaTrader 5 from your AI assistant via one MCP connection. | vendor's own |
| [AllRatesToday exchange rates (hosted)](https://www.anchorterminal.com/tools/allratestoday-mcp.md) | MCP server | Live FX + official central-bank rates, 110+ sources. Hosted, keyless, nothing to install. | vendor's own |
| [Apiguru Amazon Data](https://www.anchorterminal.com/tools/apiguru-amazon-data.md) | MCP server | Live Amazon product, review, search, deal, offer/stock and seller data across 23 marketplaces. | vendor's own, widely used |
| [Arbitron](https://www.anchorterminal.com/tools/arbitron-mcp.md) | MCP server | Crypto perp funding, spreads and listings, plus your own Arbitron cards, trades, PnL and docs. | vendor's own |
| [Arzbin MCP Server](https://www.anchorterminal.com/tools/arzbin-market-data.md) | MCP server | Live Iran exchange rates, gold, crypto, and Toman market data for AI agents. | vendor's own |
| [balldontlie.io MCP server](https://www.anchorterminal.com/tools/balldontlie-mcp.md) | MCP server | Provides access to live sports data and analytics from BALLDONTLIE: The Sports API | vendor's own |
| [binstockly-tools](https://www.anchorterminal.com/tools/binstockly-tools.md) | MCP server | Binstockly: the monthly US search demand across the sheets this product ships, read from monthly... | vendor's own |
| [bykaranteli.com MCP server](https://www.anchorterminal.com/tools/bykaranteli-mcp.md) | MCP server | Crypto derivatives data: funding, OI, liquidations, options, ETF flows. Free account key required. | vendor's own, widely used |
| [capanix-tools](https://www.anchorterminal.com/tools/capanix-tools.md) | MCP server | Capanix: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [carbikly-tools](https://www.anchorterminal.com/tools/carbikly-tools.md) | MCP server | Carbikly: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [Chainflip Broker as a Service](https://www.anchorterminal.com/tools/chainflip-broker-crypto-swap.md) | MCP server | Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track. | vendor's own |
| [clientvo-tools](https://www.anchorterminal.com/tools/clientvo-tools.md) | MCP server | Clientvo: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [cmmsly-tools](https://www.anchorterminal.com/tools/cmmsly-tools.md) | MCP server | Cmmsly: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [CoinPaprika](https://www.anchorterminal.com/tools/coinpaprika.md) | MCP server | Real-time crypto market data: prices, tickers, exchanges, OHLCV candles, and metadata. | vendor's own |
| [coinrebate](https://www.anchorterminal.com/tools/halffee-coinrebate.md) | MCP server | Compliance-filtered crypto exchange fee comparison and rebate-link routing for AI agents. | vendor's own |
| [corpus](https://www.anchorterminal.com/tools/wheelofheaven-corpus.md) | MCP server | Read-only Wheel of Heaven corpus: myth search, primary texts, datasets, typed graph. CC0. | vendor's own |
| [coshhvo-tools](https://www.anchorterminal.com/tools/coshhvo-tools.md) | MCP server | Coshhvo: the monthly searches, read from search (a month), served as an agent-callable dataset... | vendor's own |
| [DataScoop public data](https://www.anchorterminal.com/tools/datascoop.md) | MCP server | Official UK, US and Australia public datasets as filtered CSV, REST API and MCP for AI agents. | vendor's own |
| [Datum Marketplace](https://www.anchorterminal.com/tools/datummarket-datum-mcp-server.md) | MCP server | Agent-native marketplace: buy and sell datasets, snapshots and solved problems. | vendor's own, widely used |
| [Drillr — The financial MCP for AI agents](https://www.anchorterminal.com/tools/drillr.md) | MCP server | Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals. | vendor's own |
| [EdgeDepth Research](https://www.anchorterminal.com/tools/edgedepth-research.md) | MCP server | Test crypto and TradFi-perpetual claims using recorded counts, baselines, and replay. | vendor's own |
| [eu-registry](https://www.anchorterminal.com/tools/cz-agents-eu-registry.md) | MCP server | EU company registry lookup: 16 countries incl. Lithuania (JAR: identity + legal status). | vendor's own |
| [Felix MCP](https://www.anchorterminal.com/tools/felix-mcp.md) | MCP server | Non-custodial trading infrastructure for AI agents across prediction markets, crypto, and options. | vendor's own |
| [finlight Financial News](https://www.anchorterminal.com/tools/finlight-news.md) | MCP server | Real-time financial news for AI agents: search by ticker and source, with sentiment and entities. | vendor's own |
| [gridstamp](https://www.anchorterminal.com/tools/mnemopay-gridstamp.md) | MCP server | Cryptographic spatial proof-of-presence for AV fleets, logistics, AR. 91% spoof detection. | vendor's own |
| [Halal Terminal](https://www.anchorterminal.com/tools/halalterminal-mcp.md) | MCP server | Shariah-compliant stock and ETF screening across AAOIFI, DJIM, FTSE, MSCI and S&P methodologies. | vendor's own |
| [hamir](https://www.anchorterminal.com/tools/hamir-mcp.md) | MCP server | News search, article lookup, story coverage and save links for hamir's RSS catalogue | vendor's own |
| [Hive Intelligence MCP](https://www.anchorterminal.com/tools/hiveintelligence-mcp.md) | MCP server | Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call. | vendor's own |
| [InfraNode](https://www.anchorterminal.com/tools/infranode.md) | MCP server | Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 67 data types. | vendor's own |
| [Lumify Sports Intelligence](https://www.anchorterminal.com/tools/lumify-sports-intelligence.md) | MCP server | Schedules, scores, odds, splits & explainable AI bet confidence — 8+ sports, free instant key. | vendor's own |
| [marketmaster.live MCP server](https://www.anchorterminal.com/tools/marketmaster-mcp.md) | MCP server | Live Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades. | vendor's own |
| [mcp-gera-data](https://www.anchorterminal.com/tools/mcp-gera-data.md) | MCP server | Discover & query Gera's 30 attested open UK/US government datasets, each with signed provenance. | vendor's own |
| [municipal-data](https://www.anchorterminal.com/tools/munispot-municipal-data.md) | MCP server | Financial data, credit scores, and economic indicators for 14,800+ U.S. municipalities. | vendor's own |
| [News Sentiment Trends MCP](https://www.anchorterminal.com/tools/trendsmcp-news-sentiment.md) | MCP server | News sentiment scores over time, with growth for any topic. Free key at trendsmcp.ai | vendor's own |
| [NewzAI MCP Server](https://www.anchorterminal.com/tools/newzai-news-mcp.md) | MCP server | News MCP: real-time headlines & custom news search across 7 regions. Free, just sign in with Google. | vendor's own |
| [Orla](https://www.anchorterminal.com/tools/orla.md) | MCP server | Personal, family and business books over fiat and crypto. Reads and records; it cannot pay. | vendor's own |
| [passport](https://www.anchorterminal.com/tools/scopeblind-passport.md) | MCP server | Portable cryptographic identity for AI agents. Ed25519 keypairs and signed manifests. | vendor's own |
| [proofite](https://www.anchorterminal.com/tools/proofite.md) | MCP server | Read your AI-written daily briefing and retune the filter behind it: feeds, newsletters, topics. | vendor's own |
| [quant-research](https://www.anchorterminal.com/tools/avasis-quant-research.md) | MCP server | Crypto backtest statistics: the server owns the trial count, so it cannot be understated. | vendor's own |
| [quanttogo-mcp](https://www.anchorterminal.com/tools/quanttogo-mcp.md) | MCP server | Macro-factor quantitative signal source for US and China stock markets via MCP. | vendor's own |
| [RiskState — Crypto Risk Engine](https://www.anchorterminal.com/tools/riskstate-mcp.md) | MCP server | Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier. | vendor's own |
| [Sanity](https://www.anchorterminal.com/tools/sanity-mcp.md) | MCP server | Direct access to your Sanity projects (content, datasets, releases, schemas) and agent rules | vendor's own |
| [Seraph](https://www.anchorterminal.com/tools/kondux-seraph.md) | MCP server | Crypto transaction firewall and risk tools for MCP agents. | vendor's own |
| [Shingou](https://www.anchorterminal.com/tools/shingou-sentiment.md) | MCP server | Hourly crypto news sentiment and typed market events, with sources on every signal. | vendor's own |
| [shumi.ai MCP server](https://www.anchorterminal.com/tools/shumi-mcp.md) | MCP server | Crypto market intelligence: prices, funding rates, narratives, regime, and delta-neutral research. | vendor's own |
| [sportwizzard](https://www.anchorterminal.com/tools/sportwizzard.md) | MCP server | Real-time sports betting data: odds, player props, edges and arbitrage from 35+ books and DFS apps. | vendor's own |
| [Starwell: World Data & Statistics](https://www.anchorterminal.com/tools/starwell-world-data-statistics.md) | MCP server | Statistics from 28 agencies: FRED, Eurostat, ECB, World Bank, OECD. Cited values, computed answers. | vendor's own |
| [Stock Trends Market Intelligence](https://www.anchorterminal.com/tools/stocktrends-market-intelligence.md) | MCP server | Equity trend, relative-strength, expected-return, market-context, and research resources for agents. | vendor's own |
| [studio](https://www.anchorterminal.com/tools/fintechstudios-studio.md) | MCP server | Real-time financial news & regulatory intelligence: cited search, fetch, summaries, collections. | vendor's own |
| [SWT3 AI Witness](https://www.anchorterminal.com/tools/tenova-swt3-witness.md) | MCP server | Cryptographic AI governance and audit. 72 tools, 77 frameworks. EU AI Act, NIST, CMMC, MCP Top 10. | vendor's own |
| [Tapetide — Indian Stock Market (NSE & BSE)](https://www.anchorterminal.com/tools/tapetide-stock-research-mcp.md) | MCP server | 55 tools for Indian stock markets — NSE & BSE quotes, screener, filings, FII/DII, options | vendor's own |
| [TechSnif](https://www.anchorterminal.com/tools/techsnif-mcp.md) | MCP server | Agent-first tech news: ranked story clusters, coverage and discussion links, trends, and events. | vendor's own |
| [TensorFeed](https://www.anchorterminal.com/tools/tensorfeed-mcp-server.md) | MCP server | AI news, model pricing, service status, and machine-payable premium tools. AFTA-certified. | vendor's own |
| [TickerDB](https://www.anchorterminal.com/tools/tickerdb-mcp-server.md) | MCP server | Pre-computed market data that improves agent reasoning, reduces token usage, and replaces pipelines. | vendor's own |
| [TracePass](https://www.anchorterminal.com/tools/tracepass.md) | MCP server | Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events. | vendor's own |
| [Trade It](https://www.anchorterminal.com/tools/tradeit-mcp.md) | MCP server | Trade stock, crypto, and options on Robinhood, ETrade, Webull, Charles Schwab, Coinbase, or Kraken. | vendor's own |

The first 60 of 67, most used first; all of them are in https://www.anchorterminal.com/categories/data-providers.json and https://www.anchorterminal.com/api/v1/indexed.json (`category`).