v17

latestOpenAPI 3.0.0raw.githubusercontent.com2026-06-2580373.5 KB

Utilities

Route liquidity limit

Returns the largest known fillable amount for a single deposit on the given source→destination route. Relayer-market layers return exact capacity; bridge-backed layers return a conservative probed lower bound.

get/liquidity

Query parameters

sourceChainIdinteger required

Source chain ID

Example:1

Source chain ID

sourceTokenstring required

Source token address

Example:0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48

Source token address

destinationChainIdinteger required

Destination chain ID

Example:8453

Destination chain ID

destinationTokenstring required

Destination token address (EVM 0x or non-EVM base58)

Example:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Destination token address (EVM 0x or non-EVM base58)

Headers

x-api-version'2026-01.alps' required

API version. Required; pinned to this document.

x-api-keystring required

API key.

Response

symbolstring required

Destination token symbol

decimalsnumber required

Destination token decimals

unlimitedboolean required

True when an uncapped settlement layer (e.g. OFT) supports this route

maxAmountstring nullable required

Largest known fillable amount for this token by a single relayer instance. Exact for relayer-market settlement layers (ACROSS, ECO); bridge-backed layers (Relay, NEAR, Rhino) return a conservative probed lower bound. Null when unlimited.

Example response

{
  "symbol": "USDC",
  "decimals": 6,
  "maxAmount": "200000000000"
}