Backend
A batteries-included TypeScript framework for Node.js providing authentication, ORM, validation, and more.
Cloud-based email sending and receiving service integrating via API or SMTP for transactional and marketing messages at scale.
Online platform for verifying email addresses, phone numbers, and postal addresses with real-time accuracy and bulk processing support.
A centralized marketplace and discovery platform for finding, testing, and connecting to third-party APIs.
Unified API marketplace and hub offering over forty production-ready data, utility, and developer APIs accessed through a single API key.
APIVerve provides 380+ production-ready APIs accessible via a single API key, featuring consistent schemas and reliable uptime.
A JavaScript web framework optimized for building fast, content-driven websites using server-first rendering and component islands.
Flexible runtime-agnostic authentication library for web applications supporting multiple frameworks and identity providers.
Flexible and secure authentication and authorization platform for web, mobile, and AI agent applications.
Comprehensive authentication framework for TypeScript with composable, plugin-based architecture, multi-tenancy, and enterprise features.
A crypto wallet and payment platform with a Visa card for spending USDT and a wallet-as-a-service API for businesses.
A web-based Spring Boot project generator that creates boilerplate code, database schemas, and REST APIs with support for various frontend stacks.
Fast all-in-one JavaScript runtime, package manager, test runner, and bundler designed as a drop-in replacement for Node.js.
Billing and monetization platform for subscription, usage-based, and hybrid pricing models across SaaS and AI companies.
Chargeback prevention and dispute management platform for merchants to intercept and resolve payment disputes before they escalate.
Full-stack authentication and user management platform with drop-in UI components for web and mobile applications.
Passkey platform with two products: Corbado Connect for managed passkeys and Corbado Observe for passkey analytics on existing IDPs.
A credit system API for managing user balances, credit transactions, and usage analytics in SaaS, e-commerce, and gaming applications.
Merchant of record platform for software and AI products, providing global payments, tax compliance, usage billing, and affiliate management.
A customer engagement platform for automating personalized messaging and lifecycle marketing based on behavioral data.
Comprehensive SEO and digital marketing data solutions delivered via API for building rank tracking, keyword research, and analytics software.
Secure, fast, open-source JavaScript and TypeScript runtime built on Rust with out-of-the-box support for Node.js compatibility and modern tooling.
Historical order-book and price data API for prediction markets including Polymarket, Kalshi, and Limitless, designed for backtesting.
Customer and agentic identity platform providing visual workflows, SDKs, and APIs for authentication, authorization, and IAM journeys.
High-level Python web framework designed for rapid development, clean pragmatic design, built-in security, and scalability.
Custom domains API for SaaS products with automated SSL issuance, continuous DNS monitoring, and Model Context Protocol (MCP) support.
Free fake REST API providing instant placeholder JSON data, diverse datasets, and dynamic image placeholders for frontend development and testing.
An ergonomic, high-performance web framework for TypeScript with end-to-end type safety, built-in validation, and OpenAPI support.
Backend infrastructure platform that provisions cloud resources on AWS and GCP directly from Go or TypeScript application code.
A secure payment platform providing escrow services for high-value transactions, including domain names, vehicles, and general merchandise.
Fast, unopinionated, minimalist web application framework for Node.js.
High-performance Python web framework for building APIs based on standard type hints, utilizing Starlette and Pydantic.
A fast, low-overhead web framework for Node.js focused on developer experience and performance.
Self-hosted favicon API and proxy that races multiple scrapers and upstream providers in parallel to return the highest-resolution domain icon.
API service to retrieve Instagram posts as JSON, GraphQL, or RSS feeds with caching and filtering.
An end-to-end identity solution supporting passwords, federated logins, and multi-platform sign-in for applications.
Public HTTP API of deterministic utility tools designed for AI agents, including time, math, cryptography, parsing, and X12 retail EDI support.
Full-stack web framework and open-source application ecosystem for building enterprise software and business tools.
An open-source query language for APIs and a server-side runtime providing strongly-typed schemas and flexible data retrieval.
API for real-time fraud prevention, IP geolocation, VPN/proxy detection, and user data scoring.
Open-source authentication and user management platform providing customizable web components, flow APIs, and flexible self-hosted or cloud options.
A unified runtime for applications, agents, and data that integrates database, cache, API, and real-time features into a single process.
Email verification service for real-time validation, bulk list cleaning, and sender reputation protection.
Fast, lightweight web application framework built on Web Standards with support for multiple JavaScript runtimes.
Bot detection and fraud prevention API providing real-time risk scoring using IP intelligence and email validation.
A high-performance IP geolocation API service built on a private global network, offering low-latency data with transparent pricing.
Free online REST API providing fake data for testing, prototyping, and code examples without setting up a backend server.
JSON Web Tokens decoder, verifier, and generator tool for web applications.
Open source identity and access management solution providing single sign-on, user federation, and authentication protocols like OpenID Connect and SAML.
Integrated developer platform providing authentication, billing, feature management, and user management for SaaS products.
Agentic customer engagement infrastructure for lifecycle and transactional messaging across email, in-app, push, SMS, and chat.
A lightweight and expressive web framework for Node.js designed by the team behind Express, leveraging async functions for robust error handling.
Unified HTTP API to generate diagrams from textual descriptions supporting multiple diagram libraries and output formats.
PHP web application framework with built-in routing, database ORM, queues, and authentication designed for rapid and clean development.
All-in-one monetization platform for SaaS handling payments, subscriptions, global tax compliance, fraud prevention, and license key management.
Real-time tennis data API offering live scores, match-winner market prices, historical tape data, and win-probability models via REST and WebSocket.
An API service that provides company logos by domain name for integration into web and mobile applications.
Modern authentication infrastructure for developers supporting OIDC, OAuth 2.1, enterprise SSO, multi-tenancy, and role-based access control.
Email sending platform for SaaS teams to manage marketing, product, and transactional emails with API and workflow support.
Developer-focused transactional email, SMS, and WhatsApp API and SMTP relay service with real-time delivery tracking and webhooks.
Transactional email delivery service providing APIs for sending, validating, and optimizing email campaigns.
A progressive Node.js framework for building efficient, reliable and scalable server-side applications using TypeScript.
A React framework for building full-stack web applications with server-side rendering, static site generation, and file-system based routing.
A cloud-native framework that enables infrastructure-from-code, allowing developers to define resources directly within their application code.
Cross-platform JavaScript runtime environment for executing code outside browsers, built on Chrome's V8 engine.
Open-source communication infrastructure to notify users and connect AI agents across multiple messaging channels via a single API.
API and application for connecting to bank accounts and retrieving transaction data without requiring PSD2 certificates.
Open-source and managed identity and access management platform for customer, B2B, and AI agent authentication and authorization.
Merchant of Record platform handling global payments, subscriptions, tax compliance, and billing for SaaS and digital product businesses.
Authentication middleware for Node.js, providing modular and flexible integration with Express and support for hundreds of authentication strategies.
An AI-powered PDF template generator and workflow automation tool with visual and code editors, dynamic content support, and API integrations.
Interactive online playground and template gallery for pdfme, an open-source TypeScript PDF generation library.
API and webhook engine to render data into documents, certificates, and personalized videos, with automated email delivery and tracking.
Open-source transactional email platform supporting automated workflows, marketing campaigns, and unified contact management.
Modern billing platform for AI and tech companies featuring event-based metering, worldwide merchant of record services, and usage-based invoicing.
Fast and reliable transactional email delivery service and API for developers, focusing on high inbox deliverability and message streams.
Unified social media API for publishing, scheduling, analytics, and engagement across multiple platforms through a single endpoint.
Generate QR codes directly from the command line using HTTP requests and curl.
A collection of unstyled components for building emails using React, Tailwind CSS, and TypeScript with cross-client compatibility support.
Server-first React framework running on Cloudflare, featuring React Server Components, file-based routing, and real-time state synchronization.
Affiliate marketing software for SaaS that provides embedded referral widgets, automated payouts, and real-time conversion tracking.
Full-stack web framework built on standard Web APIs with integrated routing, server runtime, data loading, and authentication.
Email platform for developers to send transactional and marketing emails at scale with a focus on deliverability.
Google Search API providing programmatic access to SERP results with a structured schema and 99.8 percent production success rate.
Normalized country data API providing over 250 countries and 90 fields including populations, currencies, leaders, and borders.
Subscription and in-app purchase infrastructure for mobile, web, and TV apps, handling receipt validation, analytics, and paywalls.
A server-side web application framework written in Ruby under the MIT License, emphasizing convention over configuration.
Web scraping API and cloud browser infrastructure with automated proxy rotation, JavaScript rendering, and pay-on-success pricing model.
Web scraping API handling proxy rotation, headless browser rendering, and anti-bot defenses for reliable data extraction at scale.
Website screenshot API that automatically strips cookie banners, chat widgets, and ads while supporting full-page rendering and custom viewports.
Scrape Google and other search engines from a fast and easy API.
JSON-based SERP data extraction API supporting Google, Bing, Yahoo, DuckDuckGo, and Brave with multi-engine search and pixel position coordinates.
API service for extracting social media transcripts, posts, profiles, and metrics across platforms like YouTube, TikTok, X, and LinkedIn.
Financial infrastructure platform for accepting online payments, managing subscriptions, and handling global financial operations.
An identity platform providing authentication, authorization, multi-tenancy, and security features for both human users and AI agents.
Open-source user authentication and session management framework offering prebuilt UI, modular plugins, and support for over 25 web frameworks.
A web framework for building performant applications using Svelte, providing routing, SSR, build optimizations, and offline support.
API for automated image, video and PDF generation using dynamic templates and a drag-and-drop editor.
Visual template editor and API to generate PDFs and images at scale with dynamic data, tables, and barcodes. 60 free PDFs per month.
API to extract timestamped transcripts, metadata, and captions from YouTube, TikTok, Instagram, and podcasts for AI applications and RAG pipelines.
End-to-end typesafe APIs for TypeScript applications without code generation or runtime bloat.
Email validation platform to clean lists, verify addresses in real-time, and protect sender reputation.
Cloud communications platform providing APIs for SMS, voice, email, and conversational AI services.
Public social data API for X (formerly Twitter) built for developers and AI agents, offering real-time tweets, user profiles, and search endpoints.
Desktop application for Laravel code generation, schema editing, and scaffolding migrations, models, controllers, and CRUD views.
Enterprise-ready developer platform providing APIs for Single Sign-On (SSO), SCIM provisioning, user management, and audit logs.
API and scraper for searching and extracting X (Twitter) tweets, replies, followers, and profiles, with support for AI agents.
Suspicious login detection API that identifies unusual sign-in attempts and notifies users via automated email alerts with map integration.