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Documentation Index

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This guide shows you how to register your own app with Mercury to obtain your OAuth credentials (client ID & secret). These are required to let your users grant your app access to their Mercury account.
1

Request OAuth access

  1. Submit Mercury’s integration request form with:
    • Your company name and website.
    • Company address.
    • A short description of your company.
    • Details about the product you plan to integrate with Mercury.
    • How you plan to use Mercury’s API.
  2. Mercury will review your request. Approval timelines vary; they may ask for additional information. Approval depends on security, use case fit, and regulatory considerations.
2

Provide technical setup (after approval)

When your integration is approved, provide Mercury with:
  • Redirect URI: https://api.nango.dev/oauth/callback.
  • Links to your app’s terms of service, privacy policy, and logo.
  • Your GPG public key so Mercury can securely send your client credentials.
3

Receive credentials

Mercury will create your OAuth2 client and securely share:
  • Client ID and Client secret.
  • Credentials for a test client that can be used with Mercury sandbox. Save these; you will need them when configuring the Mercury integration in Nango.
4

Next

Follow the Quickstart.
For more details, see the Mercury OAuth2 API documentation.