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GET
Historical NGN forex rates
This endpoint is /v1/forex/history, not /v1/forex/rates. For current rates, see Live NGN exchange rates.

Authorizations

Authorization
string
header
required

Pass your API key as a Bearer token: Authorization: Bearer ngm_live_YOUR_KEY. Generate keys at ngnmarket.com/dashboard/developer.

Query Parameters

source
string
default:USD

Source currency code (e.g. USD, EUR, GBP). Defaults to USD.

Example:

"USD"

target
string
default:NGN

Target currency code. Defaults to NGN.

Example:

"NGN"

currency
string

Shorthand currency filter when querying NGN-based rates. Overridden by explicit source/target.

from
string<date>

Start date in YYYY-MM-DD format (inclusive).

Example:

"2026-01-01"

to
string<date>

End date in YYYY-MM-DD format (inclusive). Defaults to today.

Example:

"2026-04-17"

limit
integer

Maximum number of records to return.

Response

Historical forex rates retrieved successfully.

success
boolean
required
meta
object

Quota and plan metadata included on every authenticated response.

data
object[]