ExchangeRate-API

ExchangeRate-API is a currency exchange rate REST API providing real-time and historical exchange rates for 165 currencies across 200 countries. Operating since 2010, the service delivers reliable currency conversion data via simple HTTP GET requests, supporting both URL-embedded and Bearer token authentication. It offers a free tier with 1,500 monthly requests and daily updates, plus paid plans with hourly or 5-minute update frequencies and higher quotas. The API features over 99.99% measured uptime backed by multi-AZ AWS infrastructure and Cloudflare CDN, with historical data available back to 1990.

ExchangeRate-API publishes 3 APIs on the APIs.io network: Account API, Currencies API, and Exchange Rates API. Tagged areas include Currency, Exchange Rates, Finance, Forex, and Financial Data.

The ExchangeRate-API catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

ExchangeRate-API’s developer surface includes authentication, documentation, pricing, signup flow, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

52.4/100 developing ▬ flat Agent 44/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

3 APIs

CurrencyExchange RatesFinanceForexFinancial DataCurrency Conversion

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 52.4/100 · developing

Contract Quality 19.4 / 25

Developer Ergonomics 3.9 / 20

Commercial Clarity 12.6 / 20

Operational Transparency 2.1 / 13

Governance 7.0 / 12

Discoverability 7.4 / 10

Agent readiness — 44/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/exchangerate: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Exchangerate Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

ExchangeRate-API Schemas

0 properties

JSON SCHEMA

Examples 4

Example request and response payloads for these APIs.

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Signup

Signup

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

UptimePage

UptimePage

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: exchangerate
name: ExchangeRate-API
description: 'ExchangeRate-API is a currency exchange rate REST API providing real-time and historical exchange rates for
  165 currencies across 200 countries. Operating since 2010, the service delivers reliable currency conversion data via simple
  HTTP GET requests, supporting both URL-embedded and Bearer token authentication. It offers a free tier with 1,500 monthly
  requests and daily updates, plus paid plans with hourly or 5-minute update frequencies and higher quotas. The API features
  over 99.99% measured uptime backed by multi-AZ AWS infrastructure and Cloudflare CDN, with historical data available back
  to 1990.

  '
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/exchangerate.png
url: https://raw.githubusercontent.com/api-evangelist/exchangerate/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Currency
- Exchange Rates
- Finance
- Forex
- Financial Data
- Currency Conversion
apis:
- aid: exchangerate:exchangerate-account-api
  name: ExchangeRate-API Account API
  description: API quota and account information
  humanURL: https://www.exchangerate-api.com
  baseURL: https://v6.exchangerate-api.com/v6
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/exchangerate-account-api-openapi.yml
  - type: Documentation
    url: https://www.exchangerate-api.com/docs/overview
  - type: OpenAccess
    url: https://www.exchangerate-api.com/docs/free
  - type: Authentication
    url: https://www.exchangerate-api.com/docs/authentication
  - type: SupportedCurrencies
    url: https://www.exchangerate-api.com/docs/supported-currencies
  - type: Pricing
    url: https://www.exchangerate-api.com/#pricing
  - type: StatusPage
    url: https://stats.pingdom.com/qv69spvrz94m/8069768
  - type: Plans
    url: plans/exchangerate-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/exchangerate-rate-limits.yml
  - type: FinOps
    url: finops/exchangerate-finops.yml
  - type: JSONSchema
    url: json-schema/exchangerate-schema.json
  - type: Vocabulary
    url: vocabulary/exchangerate-vocabulary.yml
  - type: JSONLDContext
    url: json-ld/exchangerate-context.jsonld
- aid: exchangerate:exchangerate-currencies-api
  name: ExchangeRate-API Currencies API
  description: Supported currency codes and metadata
  humanURL: https://www.exchangerate-api.com
  baseURL: https://v6.exchangerate-api.com/v6
  tags:
  - Currencies
  properties:
  - type: OpenAPI
    url: openapi/exchangerate-currencies-api-openapi.yml
  - type: Documentation
    url: https://www.exchangerate-api.com/docs/overview
  - type: OpenAccess
    url: https://www.exchangerate-api.com/docs/free
  - type: Authentication
    url: https://www.exchangerate-api.com/docs/authentication
  - type: SupportedCurrencies
    url: https://www.exchangerate-api.com/docs/supported-currencies
  - type: Pricing
    url: https://www.exchangerate-api.com/#pricing
  - type: StatusPage
    url: https://stats.pingdom.com/qv69spvrz94m/8069768
  - type: Plans
    url: plans/exchangerate-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/exchangerate-rate-limits.yml
  - type: FinOps
    url: finops/exchangerate-finops.yml
  - type: JSONSchema
    url: json-schema/exchangerate-schema.json
  - type: Vocabulary
    url: vocabulary/exchangerate-vocabulary.yml
  - type: JSONLDContext
    url: json-ld/exchangerate-context.jsonld
- aid: exchangerate:exchangerate-exchange-rates-api
  name: ExchangeRate-API Exchange Rates API
  description: Real-time and historical currency exchange rate endpoints
  humanURL: https://www.exchangerate-api.com
  baseURL: https://v6.exchangerate-api.com/v6
  tags:
  - Exchange Rates
  properties:
  - type: OpenAPI
    url: openapi/exchangerate-exchange-rates-api-openapi.yml
  - type: Documentation
    url: https://www.exchangerate-api.com/docs/overview
  - type: OpenAccess
    url: https://www.exchangerate-api.com/docs/free
  - type: Authentication
    url: https://www.exchangerate-api.com/docs/authentication
  - type: SupportedCurrencies
    url: https://www.exchangerate-api.com/docs/supported-currencies
  - type: Pricing
    url: https://www.exchangerate-api.com/#pricing
  - type: StatusPage
    url: https://stats.pingdom.com/qv69spvrz94m/8069768
  - type: Plans
    url: plans/exchangerate-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/exchangerate-rate-limits.yml
  - type: FinOps
    url: finops/exchangerate-finops.yml
  - type: JSONSchema
    url: json-schema/exchangerate-schema.json
  - type: Vocabulary
    url: vocabulary/exchangerate-vocabulary.yml
  - type: JSONLDContext
    url: json-ld/exchangerate-context.jsonld
common:
- type: AgenticAccess
  url: agentic-access/exchangerate-agentic-access.yml
- type: DomainSecurity
  url: security/exchangerate-domain-security.yml
- type: Authentication
  url: authentication/exchangerate-authentication.yml
- type: Website
  url: https://www.exchangerate-api.com
- type: Documentation
  url: https://www.exchangerate-api.com/docs/overview
- type: Pricing
  url: https://www.exchangerate-api.com/#pricing
- type: StatusPage
  url: https://stats.pingdom.com/qv69spvrz94m/8069768
- type: Signup
  url: https://app.exchangerate-api.com/sign-up
- type: Login
  url: https://app.exchangerate-api.com/sign-in
- type: UptimePage
  url: https://www.exchangerate-api.com/product/uptime
- type: Plans
  url: plans/exchangerate-plans-pricing.yml
- type: RateLimits
  url: rate-limits/exchangerate-rate-limits.yml
- type: FinOps
  url: finops/exchangerate-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

ExchangeRate-API

Kin Score

APIs 3

ExchangeRate-API Account API

ExchangeRate-API Currencies API

ExchangeRate-API Exchange Rates API

Pricing Plans 1

Exchangerate Plans Pricing

Rate Limits 1

Exchangerate Rate Limits

FinOps 1

Exchangerate Finops

Semantic Vocabularies 1

Exchangerate Context

Spectral Rules 1

ExchangeRate-API API Rules

JSON Schema 1

ExchangeRate-API Schemas

Examples 4

Error Response

Latest Rates Response

Pair Conversion Response

Supported Codes Response

Security Posture 2

Exchangerate Authentication

Exchangerate Domain Security

Agentic Access 1

Exchangerate Agentic Access