OneSource
onesource.io
OneSource unifies blockchain data behind a single agent-native API. Ask in natural language or REST, pay with x402, MPP, or use an API key.
USDCBase
Messari API
messari.io
Institutional crypto research data: asset metrics, fundraising and M&A data, news and an AI chat endpoint, with paid routes available per call over x402.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base, Solana, X Layer
- Tokens
- USDC, USDT0
- Typical price per call
- $0.1–$0.75 per call (check the provider for current pricing)
- Example paid endpoint
https://api.messari.io/funding/v1/funds- Listed in
- x402scan
How we verified it
Unpaid GET /funding/v1/funds returned HTTP 402 on 2026-10-21 with x402 payment terms: x402 v2, exact, 350000 (0.35 USDC) on Base and Solana, or USDT0 on X Layer (eip155:196). Listed on x402scan. Price range is from the per-route amounts x402scan lists (47 routes). messari.io answered 429 to our fetcher (bot check). Last checked 2026-10-21.
The description summarizes the provider's own site. YourAITools is not affiliated with Messari API. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
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