All APIs

Browse curated APIs with real-time link verification, pricing history, and community feedback. Filter by free tiers or explore adjacent categories.

Storefront API (Cart/Checkout), Admin API (Products/Orders/Customers)
eCommerce & MarketplacesShopify API

Storefront API (Cart/Checkout), Admin API (Products/Orders/Customers)

REST & GraphQL Target Users: Brand E-commerce, Developers needing Highly Customizable Storefronts or App Development.

eCommerce & MarketplacesFinanceTrading+4
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EOD Historical Data (EODHD) API
Financial Markets & TradingEOD Historical Data (EODHD) API

EOD Historical Data (EODHD) API

End-of-Day and Intraday Data, Fundamental Analysis, Dividends, Earnings REST API Target Users: Backtesting, risk analysis, applications needing reliable historical data.

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FactSet / LSEG (Refinitiv)
AI & DataFactSet / LSEG (Refinitiv)

FactSet / LSEG (Refinitiv)

Financial Market Data, Analytics REST API, Data Feeds Target Users: Financial institutions, investment banks, needing professional financial data.

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Real-time Communication Infrastructure API.
Support, Chat & FeedbackPubNub / Stream Chat / TalkJS

Real-time Communication Infrastructure API.

Provides Low Latency, High Reliability Messaging, Highly Customizable UI. Target Users: Developers needing to build chat or community features from scratch.

Support, Chat & FeedbackCommunicationMessaging+4
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Funnel
Analytics, Tagging & AttributionFunnel

Funnel

Data Standardization, 600+ Connectors, Data Warehouse Integration. Solves marketing data chaos, provides standardized data.

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PubNub / Stream Chat / TalkJS
Support, Chat & FeedbackPubNub / Stream Chat / TalkJS

PubNub / Stream Chat / TalkJS

Real-time Communication Infrastructure API. Providing Low Latency, High Reliability Messaging, Highly Customizable UI. Target Users: Developers needing to build chat or community features from scratch.

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Azure OpenAI Service (GPT-4/DALL-E), Copilot Stack
AI & DataMicrosoft Azure AI Services

Azure OpenAI Service (GPT-4/DALL-E), Copilot Stack

The agent factory - Design, customize, manage, and support AI applications and agents at scale.

AI & DataAIMachine Learning+4
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Anthropic
AI & DataAnthropic

Anthropic

Claude 3 Series (Opus, Sonnet, Haiku) REST API Target Users: Prioritizing security, long context, deep reasoning, enterprise-grade AI applications.

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SimplyBook.me
Scheduling & CalendarsSimplyBook.me

SimplyBook.me

Global Booking System, Multi-language Support REST API Target Users: Multinational, Multi-location Service Enterprise Booking.

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Unified Calendar API (Google, Outlook, Exchange, Apple)
Scheduling & CalendarsNylas

Unified Calendar API (Google, Outlook, Exchange, Apple)

Unified REST API Target Users: Developers, SaaS Companies, Seeking Single API to Integrate All Major Calendar Platforms.

Scheduling & CalendarsFinanceTrading+4
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Amazon Selling Partner API (SP-API)
eCommerce & MarketplacesAmazon Selling Partner API (SP-API)

Amazon Selling Partner API (SP-API)

Product Listings, Inventory, Order Management, FBA (Logistics) REST API Target Users: Seller Tools, Inventory Sync, Multi-platform Management Systems.

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OpenAI
AI & DataOpenAI

OpenAI

GPT-4o, GPT-4, GPT-3.5 (LLMs), Embeddings, DALL-E (Image Generation) REST API Target Users: Various Applications, Chatbots, Content Generation, Code Assistance.

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Real-time/Historical Stocks, Forex, Crypto, Indicators, Tech Analysis
Financial Markets & TradingAlpha Vantage

Real-time/Historical Stocks, Forex, Crypto, Indicators, Tech Analysis

Our stock APIs © are grouped into eight categories: (1) Core Time Series Stock Data APIs, (2) US Options Data APIs, (3) Alpha Intelligence™, (4) Fundamental Data, (5) Physical and Crypto Currencies (e

Financial Markets & TradingFinanceTrading+1
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PANDADOC API
Documents, PDFs & eSignaturePANDADOC API

PANDADOC API

Document Generation, E-signature, Proposal/Quote Workflows REST API Target Users: Sales and marketing teams, apps needing to automate complex business documents and signatures.

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Real-time Prices, Financial Statements, Company Valuation
Financial Markets & TradingFinancial Modeling Prep (FMP) API

Real-time Prices, Financial Statements, Company Valuation

REST API Target Users: Financial Modeling Apps seeking structured, standardized financial statement data.

Financial Markets & TradingFinanceTrading+1
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Shipping API Suite (Rates, Labels, Tracking, Insurance, Validation)
Shipping, Fulfillment & TrackingEasyPost

Shipping API Suite (Rates, Labels, Tracking, Insurance, Validation)

REST API Target Users: Software Vendors, High-volume Shippers, Companies needing to Simplify Logistics Tech Stack.

Shipping, Fulfillment & TrackingAIMachine Learning+1
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Zoho CRM
CRM & SalesZoho CRM

Zoho CRM

REST API, GraphQL API Cost-effective, provides AI (Zia) features, flexible API support. Target Users: Price-sensitive, seeking versatile and affordable platforms.

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PubNub
Realtime, Messaging & CommsPubNub

PubNub

Real-time Data Network Pub/Sub Real-time Data Network API, Low Latency Message Transmission.

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Stripe
Payments & BillingStripe

Stripe

Developer-friendly, subscription and invoice management, fraud prevention. Target Users: Global E-commerce, SaaS Services

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IDnow
Auth, Identity & KYCIDnow

IDnow

Highly Secure, Flexible Identity Verification API. Emphasizes security and compliance standards.

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Embedded Signing
Documents, PDFs & eSignatureDocuSign eSignature API

Embedded Signing

REST API Target Users: Enterprise Apps, Finance, Real Estate, High Security & Compliance Requirements.

Documents, PDFs & eSignature
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Data Cloud, Snowpark API
AI & DataSnowflake

Data Cloud, Snowpark API

The Snowpark API provides an intuitive library for querying and processing data at scale in Snowflake. Using a library for any of three languages, you can build applications that process data in Snowf

AI & DataAIMachine Learning+7
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NetSuite CRM
CRM & SalesNetSuite CRM

NetSuite CRM

Cloud Solution API Provides real-time 360-degree customer view, integrating CRM and ERP data. Target Users: Enterprises needing deep CRM and ERP integration.

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Omnichannel Support & AI
Search, Recommendations & PersonalizationFreshdesk (Freshchat)

Omnichannel Support & AI

Multichannel API, Integrating Chatbots & Tickets.

Search, Recommendations & PersonalizationAIMachine Learning+1
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