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VCS Integrations

Read the Docs provides integrations with several VCS providers to detect changes to your documentation and versions, mainly using webhooks. Integrations are configured with your repository provider, such as GitHub, Bitbucket or GitLab, and with each change to your repository, Read the Docs is notified. When we receive an integration notification, we determine if the change is related to an active version for your project, and if it is, a build is triggered for that version.

You'll find a list of configured integrations on your project's :guilabel:`Admin` dashboard, under :guilabel:`Integrations`. You can select any of these integrations to see the integration detail page. This page has additional configuration details and a list of HTTP exchanges that have taken place for the integration, including the Payload URL needed by the repository provider such as GitHub, GitLab, or Bitbucket.

Integration Creation

If you have :doc:`connected your Read the Docs account </connected-accounts>` to GitHub, Bitbucket, or GitLab, an integration will be set up automatically for your repository. However, if your project was not imported through a connected account, you may need to manually configure an integration for your project.

To manually set up an integration, go to :guilabel:`Admin` > :guilabel:`Integrations` > :guilabel:`Add integration` dashboard page and select the integration type you'd like to add. After you have added the integration, you'll see a link to information about the integration.

As an example, the URL pattern looks like this: https://readthedocs.org/api/v2/webhook/<project-name>/<id>/.

Use this URL when setting up a new integration with your provider -- these steps vary depending on the provider.

Note

If your account is connected to the provider, we'll try to setup the integration automatically. If something fails, you can still setup the integration manually.

GitHub

  • Go to the :guilabel:`Settings` page for your GitHub project
  • Click :guilabel:`Webhooks` > :guilabel:`Add webhook`
  • For Payload URL, use the URL of the integration on your Read the Docs project, found on the project's :guilabel:`Admin` > :guilabel:`Integrations` page. You may need to prepend https:// to the URL.
  • For Content type, both application/json and application/x-www-form-urlencoded work
  • Leave the Secrets field blank
  • Select Let me select individual events, and mark Branch or tag creation, Branch or tag deletion, Pull requests and Pushes events
  • Ensure Active is enabled; it is by default
  • Finish by clicking Add webhook. You may be prompted to enter your GitHub password to confirm your action.

You can verify if the webhook is working at the bottom of the GitHub page under Recent Deliveries. If you see a Response 200, then the webhook is correctly configured. For a 403 error, it's likely that the Payload URL is incorrect.

Note

The webhook token, intended for the GitHub Secret field, is not yet implemented.

Bitbucket

GitLab

Gitea

These instructions apply to any Gitea instance.

Warning

This isn't officially supported, but using the "GitHub webhook" is an effective workaround, because Gitea uses the same payload as GitHub. The generic webhook is not compatible with Gitea. See issue #8364 for more details. Official support may be implemented in the future.

On Read the Docs:

  • Manually create a "GitHub webhook" integration (this will show a warning about the webhook not being correctly set up, that will go away when the webhook is configured in Gitea)

On your Gitea instance:

  • Go to the :guilabel:`Settings` > :guilabel:`Webhooks` page for your project on your Gitea instance
  • Create a new webhook of type "Gitea"
  • For URL, use the URL of the integration on Read the Docs, found on the :guilabel:`Admin` > :guilabel:`Integrations` page
  • Leave the default HTTP Method as POST
  • For Content type, both application/json and application/x-www-form-urlencoded work
  • Leave the Secret field blank
  • Select Choose events, and mark Branch or tag creation, Branch or tag deletion and Push events
  • Ensure Active is enabled; it is by default
  • Finish by clicking Add Webhook
  • Test the webhook with :guilabel:`Delivery test`

Finally, on Read the Docs, check that the warnings have disappeared and the delivery test triggered a build.

Using the generic API integration

For repositories that are not hosted with a supported provider, we also offer a generic API endpoint for triggering project builds. Similar to webhook integrations, this integration has a specific URL, which can be found on the project's Integrations dashboard page (:guilabel:`Admin` > :guilabel:`Integrations`).

Token authentication is required to use the generic endpoint, you will find this token on the integration details page. The token should be passed in as a request parameter, either as form data or as part of JSON data input.

Parameters

This endpoint accepts the following arguments during an HTTP POST:

branches

The names of the branches to trigger builds for. This can either be an array of branch name strings, or just a single branch name string.

Default: latest

token
The integration token found on the project's Integrations dashboard page (:guilabel:`Admin` > :guilabel:`Integrations`).
default_branch
This is the default branch of the repository (ie. the one checked out when cloning the repository without arguments)

For example, the cURL command to build the dev branch, using the token 1234, would be:

curl -X POST -d "branches=dev" -d "token=1234" -d "default_branch=main"
https://readthedocs.org/api/v2/webhook/example-project/1/

A command like the one above could be called from a cron job or from a hook inside Git, Subversion, Mercurial, or Bazaar.

Authentication

This endpoint requires authentication. If authenticating with an integration token, a check will determine if the token is valid and matches the given project. If instead an authenticated user is used to make this request, a check will be performed to ensure the authenticated user is an owner of the project.

Debugging webhooks

If you are experiencing problems with an existing webhook, you may be able to use the integration detail page to help debug the issue. Each project integration, such as a webhook or the generic API endpoint, stores the HTTP exchange that takes place between Read the Docs and the external source. You'll find a list of these exchanges in any of the integration detail pages.

Resyncing webhooks

It might be necessary to re-establish a webhook if you are noticing problems. To resync a webhook from Read the Docs, visit the integration detail page and follow the directions for re-syncing your repository webhook.

Payload validation

If your project was imported through a connected account, we create a secret for every integration that offers a way to verify that a webhook request is legitimate. Currently, GitHub and GitLab offer a way to check this.

Troubleshooting

Webhook activation failed. Make sure you have the necessary permissions

If you find this error, make sure your user has permissions over the repository. In case of GitHub, check that you have granted access to the Read the Docs OAuth App to your organization.

My project isn't automatically building

If your project isn't automatically building, you can check your integration on Read the Docs to see the payload sent to our servers. If there is no recent activity on your Read the Docs project webhook integration, then it's likely that your VCS provider is not configured correctly. If there is payload information on your Read the Docs project, you might need to verify that your versions are configured to build correctly.

Either way, it may help to either resync your webhook integration (see Resyncing webhooks for information on this process), or set up an entirely new webhook integration.