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
Zerion API
zerion.io
Interpreted wallet data for 40+ EVM chains and Solana: portfolios, DeFi positions, PnL, transactions and NFTs. REST with an API key for apps, or x402 pay-per-call for agents.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base, Solana
- Tokens
- USDC
- Typical price per call
- $0.01 per call (check the provider for current pricing)
- Example paid endpoint
https://api.zerion.io/v1/chains- Listed in
- x402scan
How we verified it
Unpaid GET /v1/chains returned HTTP 402 on 2026-10-21 with x402 payment terms: x402 v2, exact, 10000 (0.01 USDC) on Base and Solana. Listed on x402scan. Developer docs (mention x402) and homepage fetched (HTTP 200). Last checked 2026-10-21.
- https://www.x402scan.com/server/4508e7b9-2a31-46c5-9170-3216180ac19a
- https://developers.zerion.io/
- https://zerion.io/
The description summarizes the provider's own site. YourAITools is not affiliated with Zerion API. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
Is this your tool? Update the listing or get it featured. Paid endpoint checks are coming soon.