ExchangeRate-API (open endpoint)
Completely FreeDaily-updated fiat rates; the open endpoint works with no key at all.
Editorial note
Sample: open.er-api.com/v6/latest/USD
Details
- Type
- API
- Category
- Finance
- Audience
- Developers
- Status
- Active
- Added
- 2026-08-26
- Last updated
- 2026-08-26
- Last verified
- 2026-08-26
Metadata is curated manually; anything we could not verify is left out rather than guessed.
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