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This guide shows you how to register an app with DocuSign to get your OAuth credentials (integration key and secret key). Your users need them to grant your app access to their DocuSign account. DocuSign apps are created in the developer environment and then promoted to production. To test first, follow the DocuSign (Sandbox) setup guide.
1

Create the app in your developer account

Open Apps and Keys in your DocuSign developer account and click Add App and Integration Key. No developer account yet? Create one for free at go.docusign.com/o/sandbox.The Integration Key shown on the app page is your client ID.
2

Choose the integration type

Under Integration Type, pick Public integration if your app connects your customers’ DocuSign accounts. Launching a public integration requires joining the DocuSign Partner Program.
3

Configure authentication

Under User Application, answer Yes to “Is your application able to securely store a client secret?” and select Authorization Code Grant. Require Proof Key for Code Exchange (PKCE) is optional: Nango sends a PKCE challenge either way.
4

Go live

Submit the app for go-live. Once approved, DocuSign copies the integration key to production, but not its secret keys or redirect URIs.
5

Add the secret key and callback URL in production

Open Apps and Keys in your production account and open the app:
  1. Click Add Secret Key and copy it right away: DocuSign only shows it in full once. This is your client secret.
  2. Under Additional settings > Redirect URIs, click Add URI and enter https://api.nango.dev/oauth/callback. Then click Save.
6

Add the credentials to Nango

In Nango, open your DocuSign integration and enter the integration key as the client ID and the production secret key as the client secret.
For more details, see DocuSign’s authorization code grant guide.