CurrencyBeacon

Currency exchange rates REST API providing real-time mid-market rates for 170+ fiat currencies and cryptocurrencies, with 30 years of historical data, server-side conversion, timeseries analysis, and MCP server support for LLM integrations. Sourced from central banks and trusted financial institutions with 99.99% uptime.

CurrencyBeacon publishes 3 APIs on the APIs.io network: conversion API, currencies API, and rates API. Tagged areas include Currency, Exchange Rates, Forex, Cryptocurrency, and Financial Data.

The CurrencyBeacon catalog on APIs.io includes 1 Spectral governance ruleset.

CurrencyBeacon’s developer surface includes authentication, documentation, pricing, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

47.4/100 developing ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

3 APIs

CurrencyExchange RatesForexCryptocurrencyFinancial DataHistorical RatesCurrency Conversion

Kin Score

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

Composite quality — 47.4/100 · developing

Contract Quality 16.3 / 25

Developer Ergonomics 3.9 / 20

Commercial Clarity 10.0 / 20

Operational Transparency 2.7 / 13

Governance 7.0 / 12

Discoverability 7.4 / 10

Agent readiness — 37/100 · 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 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 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/currencybeacon: 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.

Currencybeacon Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

JSON Schema 3

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

Examples 4

Example request and response payloads for these APIs.

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

StatusPage

StatusPage

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

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: currencybeacon
name: CurrencyBeacon
description: Currency exchange rates REST API providing real-time mid-market rates for 170+ fiat currencies and cryptocurrencies,
  with 30 years of historical data, server-side conversion, timeseries analysis, and MCP server support for LLM integrations.
  Sourced from central banks and trusted financial institutions with 99.99% uptime.
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/currencybeacon.png
url: https://raw.githubusercontent.com/api-evangelist/currencybeacon/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Currency
- Exchange Rates
- Forex
- Cryptocurrency
- Financial Data
- Historical Rates
- Currency Conversion
apis:
- aid: currencybeacon:currencybeacon-conversion-api
  name: CurrencyBeacon conversion API
  description: Currency conversion operations
  humanURL: https://currencybeacon.com
  baseURL: https://api.currencybeacon.com/v1
  tags:
  - conversion
  properties:
  - type: OpenAPI
    url: openapi/currencybeacon-conversion-api-openapi.yml
  - type: Documentation
    url: https://currencybeacon.com/api-documentation
- aid: currencybeacon:currencybeacon-currencies-api
  name: CurrencyBeacon currencies API
  description: Supported currencies information
  humanURL: https://currencybeacon.com
  baseURL: https://api.currencybeacon.com/v1
  tags:
  - currencies
  properties:
  - type: OpenAPI
    url: openapi/currencybeacon-currencies-api-openapi.yml
  - type: Documentation
    url: https://currencybeacon.com/api-documentation
- aid: currencybeacon:currencybeacon-rates-api
  name: CurrencyBeacon rates API
  description: Currency exchange rate operations
  humanURL: https://currencybeacon.com
  baseURL: https://api.currencybeacon.com/v1
  tags:
  - rates
  properties:
  - type: OpenAPI
    url: openapi/currencybeacon-rates-api-openapi.yml
  - type: Documentation
    url: https://currencybeacon.com/api-documentation
common:
- type: AgenticAccess
  url: agentic-access/currencybeacon-agentic-access.yml
- type: DomainSecurity
  url: security/currencybeacon-domain-security.yml
- type: Authentication
  url: authentication/currencybeacon-authentication.yml
- type: Website
  url: https://currencybeacon.com
- type: Documentation
  url: https://currencybeacon.com/api-documentation
- type: GitHubOrg
  url: https://github.com/currencybeacon
- type: Pricing
  url: https://currencybeacon.com/pricing
- type: StatusPage
  url: https://status.currencybeacon.com
- type: X
  url: https://x.com/currencybeacon
- type: Plans
  url: plans/currencybeacon-plans-pricing.yml
- type: RateLimits
  url: rate-limits/currencybeacon-rate-limits.yml
- type: FinOps
  url: finops/currencybeacon-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

CurrencyBeacon

Kin Score

APIs 3

CurrencyBeacon conversion API

CurrencyBeacon currencies API

CurrencyBeacon rates API

Pricing Plans 1

Currencybeacon Plans Pricing

Rate Limits 1

Currencybeacon Rate Limits

FinOps 1

Currencybeacon Finops

Spectral Rules 1

CurrencyBeacon API Rules

JSON Schema 3

ConversionResponse

CurrencyInfo

LatestRatesResponse

Examples 4

Conversion Example

Currencies Example

Latest Rates Example

Timeseries Example

Security Posture 2

Currencybeacon Authentication

Currencybeacon Domain Security

Agentic Access 1

Currencybeacon Agentic Access