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base
string
required

The currency the rates are quoted against. Always usd; USDC is pegged to it.

Example:

"usd"

rates
object
required

How many units of each currency one unit of base buys. DISPLAY ONLY: every market is priced, collateralised and settled in USDC, and an order signature commits to a USDC amount — these decide what number is printed beside it and nothing else. The base and the stablecoins pegged to it are omitted (they quote at 1.00).

Example:
ttl_seconds
number
required

How long this response stays current. Poll no faster than this; a shorter interval returns the same body.

Example:

300

updated_at
string
required

When the provider struck these prices — not when we fetched them. ISO-8601.

Example:

"2026-08-28T12:12:03.972Z"