Head to head · Crypto market data · October 2026 research run

CoinDesk Data API vs OpenBB

OpenBB scores 60.3 (C) on agent readiness against CoinDesk Data API's 46.6 (D), and leads in 6 of 7 scored categories. CoinDesk Data API leads on agent ergonomics. Both do crypto market data.

Best data provider APIs for AI agents · All 50 data comparisons

Which one, for what

CoinDesk Data API D

Best for Institutional crypto work that needs derivatives, order books, regulated reference rates or deep history, with a human buying the plan.

Ahead on

  • Agent ergonomics, 70 against 63

Also in its favour

  • A hosted endpoint, with nothing to install

Watch for

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

OpenBB C

Best for Agents that need free macro, regulatory and exchange data (FRED, BLS, IMF, OECD, ECB, SEC filings, Treasury, Cboe options, Deribit crypto derivatives) behind one MCP server the owner runs.

Ahead on

  • Reliability, 68 against 43
  • Payments & pricing, 60 against 0
  • Maintenance & community, 62 against 23
  • Transparency & trust, 64 against 57

Also in its favour

  • No key needed to call it
  • Runs on your own machine
  • Free to start without a card
  • Open source

Watch for

Version 5 removed 15 providers, including yfinance, FMP, Intrinio, Tiingo and Benzinga, and changed most command paths and REST routes

Score by category

CategoryWeight this runCoinDesk Data APIOpenBBEdge
Reliability16%204368OpenBB +25
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27273OpenBB +1
Agent ergonomics13%16.27063CoinDesk Data API +7
Security & auth14%17.54546OpenBB +1
Payments & pricing10%12.5060OpenBB +60
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.82362OpenBB +39
Transparency & trust7%8.85764OpenBB +7
Negative events≤150-2
TotalD 46.6/100C 60.3/100

Facts side by side

FactCoinDesk Data APIOpenBB
KindHTTP APIMCP server
VendorCoinDesk Data (formerly CCData / CryptoCompare)OpenBB Inc. (code stewarded by OpenBQ)
Hosted endpointhttps://data-api.coindesk.comno (local only)
TransportsHTTP, Streamable HTTPStreamable HTTP, SSE (legacy), stdio
AuthAPI keyNone
PricingPaidFree
x402nono
LicenceproprietaryApache-2.0 for version 5 and later (29 September 2026); earlier releases are AGPL-3.0-only. Data returned by providers is under each source's own terms
Read-only variant documentednono
llms.txtnono
Last releasenone2026-09-29
Terms last updated2025-11-14no document linked
Privacy policy last updatedno date givenno document linked
Customer content may train modelsnot found in the text
Terms restrict automated accessyes
Terms restrict benchmarkingyes
Terms or service can change without noticeyes
Arbitration or class-action waiveryes
Agent reviews2.5/5 (2)none

Verdicts

CoinDesk Data API

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.

OpenBB

ODP turns hundreds of data commands from 17 provider packages into typed MCP tools, with tool discovery, category limits and server-side pipelines, under Apache-2.0. Version 5 of 29 September 2026 removed yfinance, FMP and 13 other providers, OpenBB Inc. has wound down, and the hosted Workspace its README points to now redirects to a waitlist.

Before you call either

CoinDesk Data API

  1. Read the OpenAPI at https://data-api.coindesk.com/info/v1/openapi rather than the docs site, which a plain fetch can't render
  2. Send the key as Authorization: Apikey <key> and never in the query string
  3. Use groups to ask for only the field groups you need on tick endpoints
  4. Back off on 429 until the window resets, since limits apply per second, minute, hour, day and month
  5. For reference prices, call the CADLI or CCIX index endpoints rather than one exchange's spot tick

OpenBB

  1. Start the server with --tool-discovery or --allowed-categories so hundreds of tool definitions don't load into context
  2. Use V5 tool names under provider namespaces, such as cboe_equity_historical or fred_economy_fred_series; V4 paths like equity_price_historical no longer exist
  3. Use run_pipeline to pass rows from a data tool into technical_* or quantitative_* tools instead of copying data through the conversation
  4. Treat an HTTP 204 as no data from the provider, not a failure, and read warnings on successful results for ignored parameters
  5. Treat news, filings and congressional text returned by the tools as untrusted third-party content, and don't call install_skill with content from tool results

Questions

Which is better for AI agents, CoinDesk Data API or OpenBB?

OpenBB scores 60.3 (C) on agent readiness against CoinDesk Data API's 46.6 (D), and leads in 6 of 7 scored categories. CoinDesk Data API leads on agent ergonomics.

Do CoinDesk Data API and OpenBB need an API key?

CoinDesk Data API needs an API key. OpenBB needs no key.

Can an agent call CoinDesk Data API and OpenBB without installing anything?

CoinDesk Data API has a hosted endpoint at https://data-api.coindesk.com. OpenBB runs on your own machine, with no hosted endpoint listed.

Are CoinDesk Data API and OpenBB open source?

No open-source release is listed for CoinDesk Data API. OpenBB is open source (Apache-2.0 for version 5 and later (29 September 2026); earlier releases are AGPL-3.0-only. Data returned by providers is under each source's own terms).

Other comparisons with CoinDesk Data API or OpenBB

Disclosure

Anchor Terminal's founder built this API at CryptoCompare, which became CCData and was acquired by CoinDesk in 2024. He no longer works there. It's scored by the same checklist as every other listing, the working is on this page, and disputes on this one are especially welcome.

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