# ExchangeRate-API

**Canonical:** https://apis.io/providers/exchangerate-api/  
**Website:** https://www.exchangerate-api.com  
**APIs profiled:** 7

ExchangeRate-API is a currency exchange rates API providing authoritative daily and intraday foreign exchange rates for 161 currencies. The v6 surface includes Latest, Pair, Enriched, Historical, Supported Codes, and Quota endpoints, plus a no-API-key Open Access endpoint at open.er-api.com that requires attribution.

## Kin Score — 55.0 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 55.0).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 72.0 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 31.6 |
| Developer Ergonomics | 45.2 |
| Commercial Clarity | 67.1 |
| Access Clarity | 67.1 |

## Agent readiness — 49.5 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | verified |
| OpenAPI Examples | documented |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (7)

- **ExchangeRate-API Enriched Data API** — Pair conversion enriched with target currency locale, name, symbol, and flag (Business / Volume plans only).
- **ExchangeRate-API Historical Rates API** — Historical exchange rates for a specific date back to 1990 (Pro / Business / Volume plans only).
- **ExchangeRate-API Latest Rates API** — Standard endpoint returning latest exchange rates from a base currency to all supported currencies.
- **ExchangeRate-API Open Access API** — Free no-key endpoint with once-daily rates and attribution requirement.
- **ExchangeRate-API Pair Conversion API** — Direct currency-to-currency exchange rate and optional amount conversion.
- **ExchangeRate-API Quota API** — Inspect the remaining request quota for the API key.
- **ExchangeRate-API Supported Codes API** — List of all supported ISO 4217 currency codes with their full names.

## MCP servers (1)

- **Community ExchangeRate MCP Server**

## Agentic access (1)

- **Exchangerate Api Agentic Access** — 9 operations

## Security (2)

- **Exchangerate Api Authentication** — apiKey · 1 scheme
- **Exchangerate Api Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Exchangerate Api Plans Pricing**

## Use cases (7)

- **E-commerce Multi-currency Display** — Show product prices in the visitor's local currency on storefronts and checkout pages.
- **Cross-border Invoicing** — Convert invoice totals to the customer's billing currency at the time of invoice issuance.
- **Financial Reporting** — Translate revenues, costs, and balances across currencies for consolidated reporting.
- **Travel & Booking Platforms** — Show flights, hotels, and packages in the user's home currency.
- **Personal Finance Apps** — Convert account balances and transactions across currencies for travel and expense tracking.
- **AI / LLM Agent Currency Tools** — Expose currency conversion to AI agents via MCP servers and tool-use frameworks.
- **Historical Backtesting** — Use 30+ years of historical rates to backtest trading strategies and FX exposure scenarios.

## Tags

Currency Exchange, Foreign Exchange, Financial Data, Forex, Currency Conversion, Public APIs

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/exchangerate-api/). Scores are computed from the provider's own public artifacts under a published rubric.