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Portainer API is an HTTP API served by Portainer. It is used by the Portainer UI and everything you can do with the UI can be done using the HTTP API. Examples are available at https://gist.github.com/deviantony/77026d402366b4b43fa5918d41bc42f8 You can find out more about Portainer at http://portainer.io and get some support on Slack.
Authentication
Most of the API endpoints require to be authenticated as well as some level of authorization to be used. Portainer API uses JSON Web Token to manage authentication and thus requires you to provide a token in the Authorization header of each request with the Bearer authentication mechanism.
Example:
Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MSwidXNlcm5hbWUiOiJhZG1pbiIsInJvbGUiOjEsImV4cCI6MTQ5OTM3NjE1NH0.NJ6vE8FY1WG6jsRQzfMqeatJ4vh2TWAeeYfDhP71YEE
Security
Each API endpoint has an associated access policy, it is documented in the description of each endpoint.
Different access policies are available:
- Public access
- Authenticated access
- Restricted access
- Administrator access
Public access
No authentication is required to access the endpoints with this access policy.
Authenticated access
Authentication is required to access the endpoints with this access policy.
Restricted access
Authentication is required to access the endpoints with this access policy. Extra-checks might be added to ensure access to the resource is granted. Returned data might also be filtered.
Administrator access
Authentication as well as an administrator role are required to access the endpoints with this access policy.
Execute Docker requests
Portainer DO NOT expose specific endpoints to manage your Docker resources (create a container, remove a volume, etc...).
Instead, it acts as a reverse-proxy to the Docker HTTP API. This means that you can execute Docker requests via the Portainer HTTP API.
To do so, you can use the /endpoints/{id}/docker Portainer API endpoint (which is not documented below due to Swagger limitations). This endpoint has a restricted access policy so you still need to be authenticated to be able to query this endpoint. Any query on this endpoint will be proxied to the Docker API of the associated endpoint (requests and responses objects are the same as documented in the Docker API).
NOTE: You can find more information on how to query the Docker API in the Docker official documentation as well as in this Portainer example.