Insy API

The public Insy developer API: API-key endpoints and Sign in with Insy (OAuth 2.0). Base URL https://api.insy.io.

Membership API Key

• GET
  Join a telegram community using an external ID/membership/join-telegram-community-external/{externalId}
• POST
  Provision a community membership from an external sales funnel. Looks up / creates the user by email or telegramUserId, handles overlap with existing memberships, and is idempotent via externalOrderId./membership/provision-external
• GET
  Check if a Telegram user has an active membership in a community/membership/check-telegram/{communityId}/{telegramUserId}

OAuth

• GET
  Public identity of an OAuth client, for the consent screen/oauth/client/{clientId}
• GET
  Authorize/oauth/authorize
• POST
  Token/oauth/token
• POST
  Revoke/oauth/revoke
• GET
  Userinfo/oauth/userinfo
• GET
  Memberships/oauth/memberships
• GET
  Products/oauth/products

Checkout API Key

• POST
  Start checkout session with external ID and custom URLs/api/checkout/buy-plan

Drop Notification API Key

• POST
  Sign up for drop notification with auto-detected upcoming slot/api/drop-notification/signup