Chain Allowance Lookup
96
https://api.onesource.io/api/chain/allowance
api.onesource.iofirst seen 60d ago
Returns ERC-20 allowance for a given owner, spender, and token on a specified network. Includes token metadata such as symbol, name, and decimals.
Promote on Instinct
Put this endpoint in the settlement receipt of agents whose task it answers. You pay only when the recommendation converts on-chain.
x402 · guided commerceStart a campaign
$0.00across0settlements·$0.00avg
0 all-time buyers0 all-time sellersall-time $0.00 / 0 settlements
Settlement Volume
This endpoint shares a payment address with 56 other resources on api.onesource.io, so the breakdown below is shown at the server level — per-resource activity can't be isolated on-chain for shared addresses.
Facilitators
Chains
Base415 calls$1.80