FastForex website screenshot

FastForex

FastForex is a fast, reliable REST API providing real-time and historical currency exchange rates for 160+ world currencies, 500+ cryptocurrencies, and 2,300+ FX trading pairs. Features include currency conversion, many-to-one and multi-rate lookups, OHLC candlestick data, bid/ask pricing, WebSocket streaming, and up to 55 years of historical data. Average response time of 21ms with 100% uptime SLA.

FastForex publishes 7 APIs on the APIs.io network, including admin API, crypto API, currency API, and 4 more. Tagged areas include Currency Exchange, Forex, Financial Data, Exchange Rates, and Cryptocurrency.

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

FastForex’s developer surface includes authentication, documentation, engineering blog, pricing, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
47.7/100 developing ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serveFree trial⚡ Free to try
7 APIs
Currency ExchangeForexFinancial DataExchange RatesCryptocurrencyFX TradingHistorical DataReal-Time Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 47.7/100 · developing
Contract Quality 14.1 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 4.8 / 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/fastforex: 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 7

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

FastForex admin API

Account admin

FastForex crypto API

Digital currencies, pairs & prices

FastForex currency API

Physical currencies, rates and conversions

FastForex fx API

Realtime FX trading pairs - instruments, prices and history

FastForex plan-extra API

Available on The Extra Plan

FastForex plan-one API

Available on The One Plan

FastForex plan-premium API

Available on The Premium Plan

Scroll for all 7

Pricing Plans 1

Published pricing tiers and plan structures.

Fastforex Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Fastforex Rate Limits

9 limits

RATE LIMITS

FinOps 1

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

Fastforex Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Fastforex Context

0 classes · 36 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

FastForex API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 6

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

ConvertResponse

4 properties

JSON SCHEMA

Currency

0 properties

JSON SCHEMA

FetchMultiResponse

4 properties

JSON SCHEMA

FetchOneResponse

4 properties

JSON SCHEMA

FxQuoteResponse

2 properties

JSON SCHEMA

OhlcTimeSeriesResponse

10 properties

JSON SCHEMA

Examples 6

Example request and response payloads for these APIs.

Convert

3 fields

EXAMPLE

Fetch Multi

3 fields

EXAMPLE

Fetch One

3 fields

EXAMPLE

Fx Quote

3 fields

EXAMPLE

Historical

3 fields

EXAMPLE

Ohlc Time Series

3 fields

EXAMPLE

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Fastforex Authentication

apiKey/http · 4 schemes

SECURITY

Fastforex Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Fastforex Agentic Access

20 operations

20 operations · 0 acting

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 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

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: fastforex
name: FastForex
description: FastForex is a fast, reliable REST API providing real-time and historical currency exchange rates for 160+ world
  currencies, 500+ cryptocurrencies, and 2,300+ FX trading pairs. Features include currency conversion, many-to-one and multi-rate
  lookups, OHLC candlestick data, bid/ask pricing, WebSocket streaming, and up to 55 years of historical data. Average response
  time of 21ms with 100% uptime SLA.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · 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/fastforex.png
url: https://raw.githubusercontent.com/api-evangelist/fastforex/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
type: Index
tags:
- Currency Exchange
- Forex
- Financial Data
- Exchange Rates
- Cryptocurrency
- FX Trading
- Historical Data
- Real-Time Data
apis:
- aid: fastforex:fastforex-admin-api
  name: FastForex admin API
  description: Account admin
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - admin
  properties:
  - type: OpenAPI
    url: openapi/fastforex-admin-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-crypto-api
  name: FastForex crypto API
  description: Digital currencies, pairs & prices
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - crypto
  properties:
  - type: OpenAPI
    url: openapi/fastforex-crypto-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-currency-api
  name: FastForex currency API
  description: Physical currencies, rates and conversions
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - currency
  properties:
  - type: OpenAPI
    url: openapi/fastforex-currency-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-fx-api
  name: FastForex fx API
  description: Realtime FX trading pairs - instruments, prices and history
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - fx
  properties:
  - type: OpenAPI
    url: openapi/fastforex-fx-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-plan-extra-api
  name: FastForex plan-extra API
  description: Available on The Extra Plan
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - plan-extra
  properties:
  - type: OpenAPI
    url: openapi/fastforex-plan-extra-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-plan-one-api
  name: FastForex plan-one API
  description: Available on The One Plan
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - plan-one
  properties:
  - type: OpenAPI
    url: openapi/fastforex-plan-one-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
- aid: fastforex:fastforex-plan-premium-api
  name: FastForex plan-premium API
  description: Available on The Premium Plan
  humanURL: https://www.fastforex.io/docs
  baseURL: https://api.fastforex.io
  tags:
  - plan-premium
  properties:
  - type: OpenAPI
    url: openapi/fastforex-plan-premium-api-openapi.yml
  - type: Documentation
    url: https://www.fastforex.io/docs
  - type: Plans
    url: plans/fastforex-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/fastforex-rate-limits.yml
  - type: FinOps
    url: finops/fastforex-finops.yml
common:
- type: AgenticAccess
  url: agentic-access/fastforex-agentic-access.yml
- type: DomainSecurity
  url: security/fastforex-domain-security.yml
- type: Authentication
  url: authentication/fastforex-authentication.yml
- type: Website
  url: https://www.fastforex.io
- type: Documentation
  url: https://www.fastforex.io/docs
- type: GitHubOrg
  url: https://github.com/fastforex
- type: Blog
  url: https://www.fastforex.io/hub
- type: Pricing
  url: https://www.fastforex.io/hub/2026-new-plans-new-features-new-data
- type: X
  url: https://x.com/fastforex_io
- type: Plans
  url: plans/fastforex-plans-pricing.yml
- type: RateLimits
  url: rate-limits/fastforex-rate-limits.yml
- type: FinOps
  url: finops/fastforex-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com