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
Blockscout API
blockscout.com
Open-source multichain block explorer. Its PRO API (addresses, transactions, tokens, blocks and more across many chains) can be paid per call over x402.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base, Celo
- Tokens
- USDC
- Typical price per call
- $0.002–$0.1 per call (check the provider for current pricing)
- Example paid endpoint
https://api.blockscout.com/{chain_id}/api/v2/addresses- Listed in
- x402scan
- More tools on
- Base
How we verified it
Unpaid GET /8453/api/v2/addresses returned HTTP 402 on 2026-10-21 with x402 payment terms: x402 v2, exact, 2000 (0.002 USDC) on Base or USDC on Celo (eip155:42220). Listed on x402scan. Price range from the per-route amounts on x402scan. Homepage fetched (HTTP 200). Last checked 2026-10-21.
The description summarizes the provider's own site. YourAITools is not affiliated with Blockscout API. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
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