API archive entry · source-reported

ExchangeRate-API

Free currency conversion

Provider / source website

Decision snapshot

ExchangeRate-API is catalogued as a Currency Exchange API from ExchangeRate-API. The directory reports api key authentication, HTTPS support, and CORS as yes.

Category
Currency Exchange
Authentication
API key
HTTPS
Reported
CORS
Yes

Evaluation pathway

  1. Define endpoints, fields, freshness, and expected request volume.
  2. Read the live source and confirm access, terms, limits, and version.
  3. Test representative inputs, errors, latency, pagination, and data quality.
  4. Plan monitoring, retries, caching, version pinning, and a fallback.

What still needs verification

Pricing and quotas

Confirm current plans, free-tier limits, overages, and request ceilings.

Endpoint coverage

Check that the operations and response fields match the intended workload.

Reliability

Look for uptime history, a status page, support routes, and service commitments.

Data and privacy

Review retention, licensing, regional processing, and compliance requirements.

Versioning

Confirm the active version, change policy, deprecation window, and migration guidance.

Developer experience

Validate SDKs, examples, error formats, pagination, and test environments.

Nearby Currency Exchange options

CurrencyBeacon

Real-time and historical currency exchange rates with free tier

API key · HTTPS reported · CORS Yes

CurrencyFreaks

Provides current and historical currency exchange rates with free plan 1K requests/month

API key · HTTPS reported · CORS Yes

CurrencyScoop

Real-time and historical currency rates JSON API

API key · HTTPS reported · CORS Yes

Source reference

public-apis directory entry

This page separates source-reported facts from questions that need live provider verification.