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Corridors

A corridor is a source asset → destination asset pair. Whether a corridor settles depends on which routes settlement providers are actively covering. Supported networks lists the configured chains and assets; the authoritative live answer is the gateway’s own /v1/defaults, which omits any chain it cannot pay on.

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Asset identifiers

Every asset in a payment request uses a standard identifier string that specifies both the chain and the token contract:
Examples:
  • USDC on Arbitrum Sepolia: eip155:421614/erc20:0x75faf114eafb1BDbe2F0316DF893fd58CE46AA4d
  • USDT on Tron Shasta: tron:shasta/trc20:TG3XXyExBkPp9nzdajDZsozEu4BkaSJozs
You can’t pass just "USDC" — the exact identifier is required. Copy them from Supported networks or your sandbox profile.

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Token amounts

Amounts in the API are whole numbers in the token’s smallest unit — not decimal dollars.

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