Upsert FX rate

POST/api/v1/fx/rates

Create or update an FX rate for a (base, quote) pair on a date.

Operation ID: upsert_fx_rate_api_v1_fx_rates_post·View as markdown·OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Request body

Schema: FxRateUpsertRequest

base_currencystringrequired
quote_currencystringrequired
ratenumber | stringrequired: base = quote * rate.
as_of_datestring · daterequired
sourcestring

Responses

201Successful Response

Schema: FxRateResponse

idstringrequired
business_idstringrequired
base_currencystringrequired
quote_currencystringrequired
ratestringrequired
as_of_datestring · daterequired
sourcestring
created_atstring · date-timerequired
updated_atstring · date-timerequired

400Bad Request - Invalid input

401Unauthorized - Authentication required

403Forbidden - Insufficient permissions

422Validation Error

Schema: HTTPValidationError

detailarray · ValidationErrorValidationError

5 fields

locarray · string | integerrequired
msgstringrequired
typestringrequired
inputobject
ctxobject

Code samples

POST/api/v1/fx/rates

bash

curl -X POST 'https://api.ondayzero.com/api/v1/fx/rates' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "base_currency": "string",
  "quote_currency": "string",
  "rate": "string",
  "as_of_date": "2026-01-01"
}'