CurrencyAPI

CurrencyAPI (currencyapi.com, an Everapi product) is a foreign exchange rate and currency conversion REST API delivering real-time and historical exchange rates for 150+ fiat currencies, precious metals, and cryptocurrencies. A single versioned API (base https://api.currencyapi.com/v3) covers latest rates, historical rates back to 1999, time-series ranges down to minute accuracy, value conversion, currency metadata, and account quota status - authenticated with a simple apikey header and backed by published monthly plans that start with a free tier.

CurrencyAPI publishes 6 APIs on the APIs.io network, including Convert API, Currencies API, Historical API, and 3 more. Tagged areas include Foreign Exchange, Currency, Exchange Rates, FX, and Currency Conversion.

CurrencyAPI’s developer surface includes authentication, documentation, API reference, pricing, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

41.7/100 developing ▬ flat Agent 29/100 agent ready Full breakdown ↓
scored 2026-08-24 · rubric v0.13.0

AccessFreemiumSelf serve⚡ Free to try

6 APIs

Foreign Exchange Currency Exchange Rates FX Currency Conversion Financial Data

Kin Score

Kin Score How this is scored →
scored 2026-08-24 · rubric v0.13.0

Composite quality — 41.7/100 · developing

Contract Quality 14.1 / 25

Developer Ergonomics 5.7 / 20

Access Clarity 10.0 / 20

Operational Transparency 4.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 29/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 0 / 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 4 / 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/currencyapi: 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 6

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

Rate Limits 1

Documented rate limits and quota policies.

Currencyapi Rate Limits

6 limits

RATE LIMITS

FinOps 1

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

AGENTIC

Resources

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: currencyapi
url: https://raw.githubusercontent.com/api-evangelist/currencyapi/refs/heads/main/apis.yml
name: CurrencyAPI
kind: company
description: CurrencyAPI (currencyapi.com, an Everapi product) is a foreign exchange rate and currency conversion REST API
  delivering real-time and historical exchange rates for 150+ fiat currencies, precious metals, and cryptocurrencies. A single
  versioned API (base https://api.currencyapi.com/v3) covers latest rates, historical rates back to 1999, time-series ranges
  down to minute accuracy, value conversion, currency metadata, and account quota status - authenticated with a simple apikey
  header and backed by published monthly plans that start with a free tier.
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/currencyapi.png
tags:
- Foreign Exchange
- Currency
- Exchange Rates
- FX
- Currency Conversion
- Financial Data
created: '2026-07-11'
modified: '2026-07-11'
specificationVersion: '0.23'
apis:
- aid: currencyapi:currencyapi-convert-api
  name: CurrencyAPI Convert API
  description: Convert a value between currencies.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Convert
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-convert-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
- aid: currencyapi:currencyapi-currencies-api
  name: CurrencyAPI Currencies API
  description: Supported currency metadata.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Currency
  tags_raw:
  - Currencies
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-currencies-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
- aid: currencyapi:currencyapi-historical-api
  name: CurrencyAPI Historical API
  description: End-of-day historical exchange rates back to 1999.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Historical
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-historical-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
- aid: currencyapi:currencyapi-latest-api
  name: CurrencyAPI Latest API
  description: Latest foreign exchange rates.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Latest
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-latest-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
- aid: currencyapi:currencyapi-range-api
  name: CurrencyAPI Range API
  description: Time-series exchange rates for a datetime range.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Range
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-range-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
- aid: currencyapi:currencyapi-status-api
  name: CurrencyAPI Status API
  description: API health and account quota status.
  humanURL: https://currencyapi.com/docs/latest
  baseURL: https://api.currencyapi.com/v3
  tags:
  - Status
  properties:
  - type: OpenAPI
    url: openapi/currencyapi-status-api-openapi.yml
  - type: Documentation
    url: https://currencyapi.com/docs/latest
  - type: Documentation
    url: https://currencyapi.com/docs/historical
  - type: Documentation
    url: https://currencyapi.com/docs/range
  - type: Documentation
    url: https://currencyapi.com/docs/convert
  - type: Documentation
    url: https://currencyapi.com/docs/currencies
  - type: Documentation
    url: https://currencyapi.com/docs/status
common:
- type: AgenticAccess
  url: agentic-access/currencyapi-agentic-access.yml
- type: DomainSecurity
  url: security/currencyapi-domain-security.yml
- type: Authentication
  url: authentication/currencyapi-authentication.yml
- type: GitHubOrganization
  url: https://github.com/everapihq
- type: LinkedIn
  url: https://www.linkedin.com/company/everapi
- type: Website
  url: https://currencyapi.com
- type: Documentation
  url: https://currencyapi.com/docs
- type: APIReference
  url: https://currencyapi.com/docs/latest
- type: Authentication
  url: https://currencyapi.com/docs/authentication
- type: Pricing
  url: https://currencyapi.com/pricing
- type: Plans
  url: plans/currencyapi-plans-pricing.yml
- type: RateLimits
  url: rate-limits/currencyapi-rate-limits.yml
- type: FinOps
  url: finops/currencyapi-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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