# Crypto Data APIs for AI Agents | PubFi Discovery

> Compare crypto data sources for AI-agent workflows by market-data, on-chain-state, RPC, pricing and auth, provenance, freshness evidence, and current PubFi availability boundaries.

Source: Discovery demand-led page records consumed by the public Discovery routes.
Format: text/markdown; charset=utf-8
Inclusion rule: public demand-led records must be indexable; draft/noindex records are not emitted as markdown pages.
Canonical SEO rule: the HTML page is the canonical SEO URL; this Markdown route is an agent-readable mirror.
Capability boundary: page existence does not imply PubFi publishes an MCP server, x402 payment route, autonomous supplier call, or supplier-payment execution flow.


URL: https://pubfi.ai/discovery/topic/crypto-data-api-for-ai-agents
Markdown URL: https://pubfi.ai/discovery/topic/crypto-data-api-for-ai-agents.md
Title: Crypto Data APIs for AI Agents
Summary: Compare crypto data sources for AI-agent workflows by market-data, on-chain-state, RPC, pricing and auth, provenance, freshness evidence, and current PubFi availability boundaries.
Primary query: crypto data API for AI agents
Supporting queries: blockchain data API for AI agents
Demand area: MCP/agent-native crypto data APIs
Use case: Agent-source discovery
Best starting page: https://pubfi.ai/discovery/topic/crypto-data-api-for-ai-agents
Availability status: request integration (Request integration)
Status-aware CTA: Signal agent data workflow interest
Actionability: not actionable
Status explanation: Use this page to separate market-data feeds, on-chain-state indexers, RPC infrastructure, paid data access, authentication model, provenance, and freshness needs for agent workflows. PubFi Discovery can compare source fit and collect workflow interest here, but this page does not claim a public PubFi MCP server, x402 payment route, autonomous supplier call, or universal routed access.
Machine interest signal: agent workflow
Detail export status: public/featured-export
Related source pages:
- CoinGecko API: https://pubfi.ai/discovery/api/coingecko-api
- CoinMarketCap API: https://pubfi.ai/discovery/api/coinmarketcap-api
- The Graph: https://pubfi.ai/discovery/api/the-graph
- Bitquery: https://pubfi.ai/discovery/api/bitquery
Related category pages:
- Market data: https://pubfi.ai/discovery/category/market-data
- On-chain state: https://pubfi.ai/discovery/category/on-chain-state
- RPC infrastructure: https://pubfi.ai/discovery/category/rpc-infra
Related chain pages:
- Polkadot: https://pubfi.ai/discovery/chain/polkadot
Source evidence:
- CoinGecko API and agent/LLM docs: https://docs.coingecko.com/docs/ai-agents-llm-apps
- CoinMarketCap MCP API surface: https://coinmarketcap.com/api/mcp/
- The Graph Subgraph MCP docs: https://thegraph.com/docs/en/ai-suite/subgraph-mcp/introduction/
- Bitquery MCP server docs: https://docs.bitquery.io/docs/mcp/mcp-server/
- Recurring SERP and answer-engine snapshot: docs/research/pubfi-discovery-seo-geo-operating-model-2026-06-03.json#query_windows.60_day
Comparison criteria: none