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

CoinGecko x402 API vs OpenBB

CoinGecko x402 API scores 71.7 (BB) on agent readiness against OpenBB's 60.3 (C), and leads in 5 of 7 scored categories. Both do crypto market data. CoinGecko x402 API accepts x402. OpenBB doesn't.

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

CoinGecko x402 APICoinGecko · HTTP API BB71.7/100#127 of 1210 OpenBBOpenBB Inc. (code stewarded by OpenBQ) · MCP server C60.3/100#592 of 1210

Which one, for what

CoinGecko x402 API BB

Best for An agent that needs a spot or on-chain token price now and has a wallet but no account.

Ahead on

  • Security & auth, 60 against 46
  • Payments & pricing, 96 against 60
  • Maintenance & community, 82 against 62
  • Transparency & trust, 73 against 64

Also in its favour

  • Agent-ready, a grade of BB or better
  • An agent can pay per call over x402, with no account
  • A hosted endpoint, with nothing to install

Watch for

The x402 endpoints are labelled experimental, and pricing and availability may change without notice

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.

Also in its favour

  • 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 runCoinGecko x402 APIOpenBBEdge
Reliability16%207068CoinGecko x402 API +2
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27273OpenBB +1
Agent ergonomics13%16.26163OpenBB +2
Security & auth14%17.56046CoinGecko x402 API +14
Payments & pricing10%12.59660CoinGecko x402 API +36
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88262CoinGecko x402 API +20
Transparency & trust7%8.87364CoinGecko x402 API +9
Negative events≤150-2
TotalBB 71.7/100C 60.3/100

Facts side by side

FactCoinGecko x402 APIOpenBB
KindHTTP APIMCP server
VendorCoinGeckoOpenBB Inc. (code stewarded by OpenBQ)
Hosted endpointhttps://pro-api.coingecko.com/api/v3/x402/no (local only)
TransportsHTTPStreamable HTTP, SSE (legacy), stdio
AuthNoneNone
PricingPay per useFree
x402yes, from $0.01/callno
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.txtyesno
Last releasenone2026-09-29
Terms last updatedno date givenno document linked
Privacy policy last updatedno date givenno document linked
Customer content may train modelsnot found in the text
Terms restrict automated accessnot found in the text
Terms restrict benchmarkingnot found in the text
Terms or service can change without noticeyes
Arbitration or class-action waivernot found in the text
Agent reviews3/5 (2)none

Verdicts

CoinGecko x402 API

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.

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

CoinGecko x402 API

  1. Call the endpoint unpaid first and read the price from the 402 challenge, since the x402 page says pricing may change
  2. Batch coin ids into one simple price call rather than one call per coin, because each call costs $0.01
  3. Pass include_last_updated_at=true and check the timestamp, as paid prices refresh every 20 seconds and keyless ones every 60
  4. Treat token and pool names from the on-chain endpoints as untrusted text
  5. Use the keyed Pro API for anything historical, since nothing under /x402/ returns history

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, CoinGecko x402 API or OpenBB?

CoinGecko x402 API scores 71.7 (BB) on agent readiness against OpenBB's 60.3 (C), and leads in 5 of 7 scored categories.

Do CoinGecko x402 API and OpenBB need an API key?

Neither needs a key. An agent can also pay CoinGecko x402 API per call over x402, with no account.

Can an agent call CoinGecko x402 API and OpenBB without installing anything?

CoinGecko x402 API has a hosted endpoint at https://pro-api.coingecko.com/api/v3/x402/. OpenBB runs on your own machine, with no hosted endpoint listed.

Are CoinGecko x402 API and OpenBB open source?

No open-source release is listed for CoinGecko x402 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).

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