Convert

Converts an amount between two currencies using your plan's freshest rates, returning both the rate used and the result — so your invoices, checkouts, and reports can show their work.

GET /api/v1/convert

Available on: freedeveloperunlimited

Parameters

Parameter	Required	Description
from	required	Source currency code, e.g. USD.
to	required	Target currency code, e.g. CAD.
amount	required	Positive number to convert, up to 10^15.

Example

Requestbash

curl "https://forex-feed.com/api/v1/convert?from=USD&to=CAD&amount=100" \
  -H "Authorization: Bearer ff_live_YOUR_KEY"

Responsejson

{
  "success": true,
  "data": {
    "from": "USD",
    "to": "CAD",
    "amount": 100,
    "rate": 1.41685,
    "result": 141.685
  },
  "meta": { "snapshot_at": "2026-07-08T23:46:47.411Z", "granularity": "5min", "plan": "developer" }
}

Notes

• result is unrounded — apply your own rounding policy (e.g. 2 decimals for most currencies, 0 for JPY).
• Cross pairs (neither side USD) are derived server-side at full precision.
• On the Free plan this endpoint returns plan_required (403).