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api.onesource.io

Best-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification

Resource URL

https://api.onesource.io/api/chain/contract/:address

Payment options

exactBase (8453)

$0.005 USDC

Max amount

Pay to
0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
Timeout
3600s
batch-settlementBase (8453)

$0.005 USDC

Max amount

Pay to
0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
Timeout
3600s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://api.onesource.io/api/chain/contract/:address
Type: http
Sources: cdp, x402-list, ultravioletadao, thirdweb

Developer