nango
Build product integrations with AI.
The Lens
By Erik Loyd, SaaS CEO and former COO/CFO of an AWS Premier Partner.
Updated Aug 2026
Nango handles the part of product integrations nobody wants to own: OAuth, token refresh, and credential storage across 900-plus APIs. You embed a white-label auth flow, users connect their Salesforce or Gmail account, and Nango keeps those tokens alive per tenant. A proxy then makes authenticated calls on their behalf, resolving the provider, injecting credentials, and handling retries and rate limits.
Beyond auth there are functions: integration logic written as TypeScript that deploys to Nango's runtime with built-in retries, storage, and observability, plus syncs that continuously reconcile only the records that changed. Replit, Ramp, and Mercor run it in production, which is a real signal for infrastructure this boring and this load-bearing.
Self-hosting is supported and the source is public, so a small team can run it without paying.
The catch is the license, and it is the whole story. Nango is Elastic License 2.0, not open source: you may not offer it to third parties as a hosted or managed service, and you may not disable the license key functionality. Fine for using it in your product, disqualifying if you planned to build a service on it.
Free vs Self-Hosted vs Paid
source availableSource Available, Not Open Source
Nango is Elastic License 2.0. You can read, modify, and self-host it, and you cannot provide it to third parties as a hosted or managed service, nor move, change, disable, or circumvent the license key. That fails the OSI definition. Call it source available and check it with legal before it enters a product you resell.
Cloud Pricing
- Free: $0/mo. 10 connections.
- Starter: from $50/mo. 20 connections, then $1 per connection.
- Growth: from $500/mo. 100 connections, then $1 per connection.
- Enterprise: quoted.
A connection is one authorized user account, billed per connection per month and prorated. Usage is metered on top: about $0.0001 per proxy request, $0.0000002 per millisecond of compute, $0.0001 per function run, $0.00001 per log line, $0.0001 per stored record beyond the plan allowance, and $0.0001 per webhook.
Self-Hosted Costs
A Node service plus Postgres and a worker. A $30 to $80/mo VM covers a modest deployment. The real cost is upkeep: OAuth providers change their flows, tokens expire in provider-specific ways, and absorbing that churn is exactly what you were paying Nango to do.
When to Pay
The per-connection model makes the math easy. At 200 connected user accounts you are near $200/mo before metered usage, which is cheap against an engineer maintaining 900 OAuth flows. Self-host when connection counts are high and margins are thin, or when credentials cannot leave your infrastructure. Do not self-host expecting to resell it.
Elastic License 2.0, so source available rather than open source, and you cannot resell it as a service. Cloud is free to 10 connections, then from $50/mo with $1 per connection and metered usage on top.
What to do by team size
- Solo
- free to 10 connections on cloud, or self-host if you are comfortable running Postgres
- Small team
- free tier until you pass 10 connections, then Starter from $50/mo
- Medium team
- Starter or Growth from $50 to $500/mo; per-connection beats an engineer on OAuth maintenance
- Large team
- Growth or Enterprise, or self-host for credential control, but never to resell it
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License: Elastic License 2.0
ELv2: you may use and self-host it, but you may not offer it to third parties as a hosted or managed service, nor disable the license key. Not OSI open source.
Commercial use: ✓ Yes
About
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