APILayer website screenshot

APILayer

APILayer is an API marketplace and hub that enables developers to discover, integrate, and build with high-quality, reliable API services. The platform hosts 100+ APIs across categories including geolocation, currency, weather, dev tools, marketing, finance, security, and AI/ML, serving 445,000+ developers with 30 million+ API calls monthly.

APILayer publishes 1 API on the APIs.io network. Tagged areas include API Catalog, API Discovery, API Marketplace, Developer Tools, and SaaS APIs.

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

APILayer’s developer surface includes documentation, pricing, signup flow, engineering blog, and 6 more developer resources.

39.1/100 thin ▼ -5.2 Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs 5 Features 5 Use Cases
API CatalogAPI DiscoveryAPI MarketplaceDeveloper ToolsSaaS APIs

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 39.1/100 · thin
Contract Quality 5.7 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 12.6 / 20
Operational Transparency 4.8 / 13
Governance 7.0 / 12
Discoverability 6.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 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/apilayer: 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 1

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

APILayer Marketplace API

The APILayer Marketplace API provides access to 100+ APIs across geolocation, currency, weather, dev tools, marketing, finance, security, and AI/ML categories. Individual APIs i...

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Apilayer Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Features 5

Notable capabilities this provider offers.

API Marketplace

Browse and integrate 100+ high-quality APIs across categories including geolocation, currency, weather, dev tools, and more.

Unified Authentication

Single API key management across multiple APIs from the APILayer platform.

Low Latency Infrastructure

High-performance, reliable API infrastructure with global CDN for low-latency responses.

Developer Dashboard

Centralized dashboard to manage API subscriptions, monitor usage, and access documentation.

Usage Analytics

Real-time usage tracking and analytics across all subscribed APIs.

Semantic Vocabularies 1

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

Apilayer Context

12 classes · 1 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

APILayer API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 1

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

APILayer API

9 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Apilayer Api Structure

9 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Apilayer Api Example

9 fields

EXAMPLE

Security Posture 1

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

Apilayer Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Use Cases 5

What developers build with this provider.

IP Geolocation

Determine user location, timezone, and geographic data from IP addresses using IPstack or IPapi.

Currency Conversion

Access real-time and historical currency exchange rates using Fixer or Currencylayer APIs.

Weather Data

Integrate real-time weather forecasts and historical weather data using Weatherstack.

Search Engine Data

Scrape search engine results programmatically using the Serpstack API.

Phone Validation

Validate and look up phone number details globally using Numverify.

Integrations 8

Pre-built integrations with other platforms and tools.

IPstack

IP geolocation API for geographic profiling and location intelligence.

Fixer

Real-time and historical currency exchange rate data API.

Weatherstack

Real-time weather data and forecasting API.

Serpstack

Search engine results page scraping and SERP data API.

Mediastack

Live and historical news data API for media monitoring.

Numverify

Global phone number validation and carrier lookup API.

Coinlayer

Real-time cryptocurrency exchange rate data API.

Pdflayer

HTML to PDF conversion and document generation API.

Scroll for all 8

Solutions 4

Packaged solutions this provider offers.

Free Plan

Limited free tier for each API to explore and prototype integrations.

Basic Plan

Entry-level paid plan with increased request limits for individual APIs.

Professional Plan

Higher volume plans for production applications requiring reliable API access.

Enterprise Plan

Custom volume and SLA guarantees for enterprise-scale API consumption.

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Commercial 1

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: apilayer
name: APILayer
description: APILayer is an API marketplace and hub that enables developers to discover, integrate, and build with high-quality,
  reliable API services. The platform hosts 100+ APIs across categories including geolocation, currency, weather, dev tools,
  marketing, finance, security, and AI/ML, serving 445,000+ developers with 30 million+ API calls monthly.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/apilayer.png
tags:
- API Catalog
- API Discovery
- API Marketplace
- Developer Tools
- SaaS APIs
url: https://raw.githubusercontent.com/api-evangelist/apilayer/refs/heads/main/apis.yml
created: '2025-03-01'
modified: '2026-04-19'
specificationVersion: '0.19'
apis:
- aid: apilayer:apilayer-api
  name: APILayer Marketplace API
  description: The APILayer Marketplace API provides access to 100+ APIs across geolocation, currency, weather, dev tools,
    marketing, finance, security, and AI/ML categories. Individual APIs include IPstack, Fixer, Currencylayer, Weatherstack,
    Serpstack, Mediastack, and many more, each with their own endpoints and authentication.
  humanURL: https://apilayer.com/
  baseURL: https://api.apilayer.com
  tags:
  - API Marketplace
  - Currency
  - Geolocation
  - Weather
  properties:
  - type: Documentation
    url: https://apilayer.com/
  - type: Pricing
    url: https://apilayer.com/pricing
  - type: JSONSchema
    url: json-schema/apilayer-api-schema.json
  - type: JSONLD
    url: json-ld/apilayer-context.jsonld
common:
- type: DomainSecurity
  url: security/apilayer-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/apilayer
- type: LinkedIn
  url: https://www.linkedin.com/company/apilayer
- type: Website
  url: https://apilayer.com/
- type: Documentation
  url: https://apilayer.com/
- type: Pricing
  url: https://apilayer.com/pricing
- type: Signup
  url: https://apilayer.com/signup
- type: Login
  url: https://apilayer.com/login
- type: Blog
  url: https://blog.apilayer.com/
- type: Features
  data:
  - name: API Marketplace
    description: Browse and integrate 100+ high-quality APIs across categories including geolocation, currency, weather, dev
      tools, and more.
  - name: Unified Authentication
    description: Single API key management across multiple APIs from the APILayer platform.
  - name: Low Latency Infrastructure
    description: High-performance, reliable API infrastructure with global CDN for low-latency responses.
  - name: Developer Dashboard
    description: Centralized dashboard to manage API subscriptions, monitor usage, and access documentation.
  - name: Usage Analytics
    description: Real-time usage tracking and analytics across all subscribed APIs.
- type: UseCases
  data:
  - name: IP Geolocation
    description: Determine user location, timezone, and geographic data from IP addresses using IPstack or IPapi.
  - name: Currency Conversion
    description: Access real-time and historical currency exchange rates using Fixer or Currencylayer APIs.
  - name: Weather Data
    description: Integrate real-time weather forecasts and historical weather data using Weatherstack.
  - name: Search Engine Data
    description: Scrape search engine results programmatically using the Serpstack API.
  - name: Phone Validation
    description: Validate and look up phone number details globally using Numverify.
- type: Integrations
  data:
  - name: IPstack
    description: IP geolocation API for geographic profiling and location intelligence.
  - name: Fixer
    description: Real-time and historical currency exchange rate data API.
  - name: Weatherstack
    description: Real-time weather data and forecasting API.
  - name: Serpstack
    description: Search engine results page scraping and SERP data API.
  - name: Mediastack
    description: Live and historical news data API for media monitoring.
  - name: Numverify
    description: Global phone number validation and carrier lookup API.
  - name: Coinlayer
    description: Real-time cryptocurrency exchange rate data API.
  - name: Pdflayer
    description: HTML to PDF conversion and document generation API.
- type: Solutions
  data:
  - name: Free Plan
    description: Limited free tier for each API to explore and prototype integrations.
  - name: Basic Plan
    description: Entry-level paid plan with increased request limits for individual APIs.
  - name: Professional Plan
    description: Higher volume plans for production applications requiring reliable API access.
  - name: Enterprise Plan
    description: Custom volume and SLA guarantees for enterprise-scale API consumption.
- type: LlmsText
  url: https://apilayer.com/llms.txt
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com