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Open-source unified API and integrations infrastructure for AI products, with a code-first workflow and hosted OAuth vault.
Open-source unified API and integrations infrastructure for AI products, with a code-first workflow and hosted OAuth vault.
Nango is an open-source integrations platform aimed at engineering teams that want the productivity of a unified API without giving up code-level control. Nango provides pre-built connectors to 400+ APIs (Slack, Salesforce, HubSpot, Google Workspace, GitHub, Notion, Jira, Zendesk, Shopify, Stripe, and more), a hosted OAuth vault so tokens for each end user are stored and refreshed for you, and a syncing engine that pulls records into your Postgres or MongoDB with schemas you define. Developers write sync scripts and action scripts in TypeScript that Nango runs on its infrastructure, so you get the flexibility to customize per provider without owning cron infrastructure. In 2025-2026 Nango added first-class support for AI agents: expose your custom actions as MCP tools with one command, use its native rate-limit-aware LLM helper for classification steps, and monitor tool-call executions in the same dashboard as sync runs. Nango's core is MIT-licensed and self-hostable; Nango Cloud has a free tier for early stage teams (limited connections), then Growth and Enterprise tiers scaling by connections, MAU, and premium features (SOC 2, custom regions, private cloud). Nango is popular with AI startups building copilots that must actually call and write to customers' SaaS accounts.
Nango maintains a library of 700+ API connectors with managed OAuth 2.0 and API-key authentication, including credential storage, token refresh, provider configuration, and consistent access patterns across many external services.
Integrations are written as TypeScript functions using Nango's SDK, which helps teams implement pagination, transformations, sync behavior, provider-specific handling, and local testing within normal engineering workflows.
Developers can use AI-assisted workflows to generate integration scaffolds, then review, test, and version the resulting TypeScript logic before deploying it.
Nango provides managed execution, scheduling, incremental sync support, webhook handling, retries, logs, and observability features for teams operating customer-facing integrations in production.
Nango supports AI agent use cases through LLM tool calling capabilities and MCP-oriented access, allowing selected customer integrations to be exposed to agent workflows.
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The current website positions Nango around building product integrations with AI and connecting products and agents to external systems. The strongest current themes are 700+ integrations, managed auth, sync infrastructure, TypeScript functions, observability, and MCP-oriented AI access.
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