Connect your users to their apps
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Updated
Oct 1, 2026 - TypeScript
Connect your users to their apps
Connect your agents & product to 1,000 APIs.
HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.
CCXT for prediction markets. PMXT is a unified API for trading on Polymarket, Kalshi, and more.
Open-Sourcing the integration engine our platform runs on
Unified Interface for Constructing and Managing Workflows on different workflow engines, such as Argo Workflows, Tekton Pipelines, and Apache Airflow.
Open source user-facing product integrations
One unified email API across 18 providers (SMTP, Resend, SES, Postmark, SendGrid, Mailgun, …). Zero deps, RFC 8058 + DKIM ready, edge-first, strict TypeScript.
Unified Game Services API for Unity
One unified API for 18 live-chat & customer-support widgets. Zero deps, tree-shakeable, SSR-safe, CSP-aware, strict TypeScript.
Collective Knowledge web extension to browse CK repositories, visualize interactive graphs and articles, render CK-based websites, implement simple web services with JSON API (for example to crowdsource experiments or unify access to DNN). Demos of interactive articles, graphs and crowdsourced experiments:
One open-source API for prediction markets. Trade Kalshi, Polymarket, Polymarket US and Opinion with one Python SDK: unified market data, smart order routing across venues, and advanced order types. Plus tick-level Kalshi order book history.
Integrations Library for Vessel's Embedded Integrations Platform
Transport for London (TfL) python api
An open source Integration Platform
EvoLink.ai - One Key, All AI Models
⚡ Official TypeScript SDK for the Kombo Unified API
Apideck Node + Typescript SDK
Complete list of AI models available via EvoLink API, with ready-to-use OpenClaw configurations
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