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Exchange an OAuth code or refresh token

One step with Nylas. We can help you get access.

Get something done

Exchange an OAuth code or refresh token

with Nylas
Works with AI assistants

Use Nylas: its Nylas Authentication APIs API lets you exchange an OAuth code or refresh token in a single step (POST /v3/connect/token). Nylas also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.

  • How do I trade the authorization code from hosted auth for an access token?
  • Can I use a refresh token to get a new access token?
Say it to your AI assistant
  • Exchange the authorization code from hosted OAuth for tokens.
  • Refresh my access token using the refresh token grant.
For your developer

POST /v3/connect/token in Nylas Authentication APIs API. Full spec on APIs.io.