API Development Platform

Browse 149 websites in this category • Page 3 of 8

Sites where API Development Platform is a core feature are shown first, marked with a Core badge.

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uuidtools.com favicon

Generate UUIDs instantly—single or bulk

Quickly create single or bulk UUIDs online for any project. Offers an easy-to-use tool and API for generating all major UUID versions for free.

pquic.org favicon

Add custom plugins to QUIC connections easily

Pluginized QUIC offers a flexible framework for developers to extend the QUIC protocol with custom plugins, enabling dynamic transport protocol features.

dubverse.ai favicon

Create real-sounding AI voiceovers in minutes

Dubverse lets you generate lifelike AI voiceovers, dub videos into multiple languages, and add auto subtitles quickly—all online and with easy API access.

workos.com favicon

Add enterprise features to your app in minutes

WorkOS helps developers add enterprise-ready features like single sign-on, directory sync, and audit logging to their apps with simple APIs and SDKs.

spruceid.com favicon

Control and verify your digital identity securely

SpruceID helps you manage and verify your digital identity with secure, open-source tools for digital credentials like IDs, passes, and licenses.

fastapi.tiangolo.com favicon

Build fast APIs easily with Python

FastAPI is a modern web framework for building APIs with Python, offering high performance, simple syntax, and interactive documentation tools.

resmush.it favicon

Compress images for free on your WordPress site

Compress and optimize images for free with reSmush.it, a WordPress plugin and API that helps your site load faster and saves storage space.

cxf.apache.org favicon

Build web services with open-source tools

Apache CXF is an open-source framework for building and developing web services using APIs like JAX-WS and JAX-RS, supporting multiple protocols.

ramblings.mcpher.com favicon

Learn to connect desktop apps to cloud APIs

Explore guides, code snippets, and resources to help you connect desktop software with cloud APIs and services, with a focus on Google Apps Script.

insightsoftware.com favicon

Connect any data source for seamless analytics

Simba connects your apps to any data source, making analytics easier with reliable integrations and fast access to business data. Supports ODBC/JDBC drivers.

hapifhir.io favicon

Build FHIR healthcare APIs in Java for free

HAPI FHIR offers a free, open source Java API for implementing HL7 FHIR healthcare interoperability standards, with tools, docs, and a vibrant community.

zbd.gg favicon

Add real-money rewards to your games easily

ZBD helps game developers add real-money rewards to their games with easy-to-use tools and APIs, driving engagement and new ways to monetize gameplay.

scriptr.io favicon

Create and deploy IoT apps in the cloud

Build and integrate IoT solutions using scriptr.io’s cloud platform, offering scripting tools, API creation, and visual development for connected devices.

bytescout.com favicon

Extract and process PDF data with powerful APIs

Extract data from PDFs to Excel, CSV, or JSON, generate and read barcodes, and automate document processing with APIs and SDKs for developers.

apiblueprint.org favicon

Quickly design and document your APIs

API Blueprint lets you easily design, document, and test APIs with a simple, expressive syntax—ideal for quick prototyping and collaboration.

wiremock.io favicon

Simulate APIs for faster development and testing

WireMock Cloud lets you simulate APIs for development and testing, helping teams build and test software faster without waiting for real services.

antisip.com favicon

Build SIP & WebRTC apps quickly with ready SDKs

Antisip offers SDKs and tools for SIP, RTP, audio, video, and WebRTC to help companies build telephony and media apps for desktop and mobile platforms.

damoov.com favicon

Integrate telematics into your driving app

Damoov offers telematics tools and APIs for apps to track driving behavior, promote safe driving, and access in-vehicle data for smarter mobility solutions.

openfga.dev favicon

Build granular access control into your apps

OpenFGA lets developers add fine-grained, relationship-based authorization to apps using simple models and APIs. Fast, scalable, and open source.

pipedream.com favicon

Inspect and debug webhooks instantly

RequestBin by Pipedream lets you collect, inspect, and debug HTTP requests and webhooks easily—ideal for testing integrations and troubleshooting APIs.