> ## Documentation Index > Fetch the complete documentation index at: https://docs.ankra.ai/llms.txt > Use this file to discover all available pages before exploring further. # Roll an application deploy back > Put a previously published image back on this application's deployment. The tag is confirmed present in the registry first, the push-to-deploy watermark is moved onto the newest observed build so the convergence loop does not undo the rollback, and the tag is then written through the same narrow path a push-triggered deploy uses. Held to the applications.deploy permission. Browser session authentication with the X-Ankra-CSRF double-submit header only (no bearer twin). ## OpenAPI ````yaml https://platform.ankra.app/openapi.json post /org/applications/{application_id}/rollbacks openapi: 3.1.0 info: title: FastAPI version: 0.1.0 servers: - url: https://platform.ankra.app security: [] tags: - name: Clusters description: Create, inspect and manage clusters, and the stacks deployed on them. - name: Managed Clusters description: Provider-managed control planes, driven through one common surface. - name: Imported Clusters description: Clusters that already existed and were connected to Ankra. - name: Cluster Access description: Kubeconfigs, service-account tokens and per-cluster access grants. - name: Kubernetes description: Read and act on the Kubernetes objects inside a cluster. - name: DigitalOcean Clusters description: Provision and manage DigitalOcean Kubernetes clusters. - name: Hetzner Clusters description: Provision and manage Hetzner Kubernetes clusters. - name: OVH Clusters description: Provision and manage OVH Kubernetes clusters. - name: Scaleway Clusters description: Provision and manage Scaleway Kapsule clusters. - name: UpCloud Clusters description: Provision and manage UpCloud Kubernetes clusters. - name: Applications description: Deploy, configure and observe applications across the fleet. - name: Stack Profiles description: Reusable stack definitions, their versions and sharing. - name: Charts description: Browse the chart catalogue behind stacks and addons. - name: Helm description: Helm registries, credentials and the charts they expose. - name: Executions description: Long-running platform executions and their jobs. - name: Operations description: Cancel in-flight cluster operations and their jobs. - name: Chat description: Conversational sessions, plans and confirmable actions. - name: AI Agent Runs description: Autonomous agent runs and their outcomes. - name: AI Tickets description: The AI ticket board, its sync connections and settings. - name: AI Playbooks description: Reusable playbooks the AI lanes execute. - name: AI Conditions description: Conditions that gate AI autonomy. - name: AI Engineering Handoffs description: Work the AI lanes escalate to a human engineer. - name: AI Environment description: The environment and base stacks AI demos deploy into. - name: Security description: Findings, advisories, SBOMs, compliance and posture. - name: Cost description: Cluster and fleet cost, rate cards and cost settings. - name: Billing description: Subscription and spend caps. - name: Organisation description: Members, invitations, audit logs and organisation settings. - name: Account Tokens description: Personal access tokens for the API and CLI. - name: Credentials description: The shared credential store. - name: Azure Credentials description: Azure credentials and SSH keys. - name: DigitalOcean Credentials description: DigitalOcean credentials and SSH keys. - name: Hetzner Credentials description: Hetzner credentials and SSH keys. - name: OVH Credentials description: OVH credentials and SSH keys. - name: Scaleway Credentials description: Scaleway credentials. - name: UpCloud Credentials description: UpCloud credentials and SSH keys. - name: Data Source Credentials description: Credentials for metrics and log sources. - name: DNS Credentials description: Credentials for DNS providers. - name: DNS description: DNS zones and records, including custom organisation zones. - name: Cloudflare description: Cloudflare domains and the credentials behind them. - name: Variables description: Organisation- and cluster-scoped variables. - name: SOPS description: Encrypt and decrypt values with the organisation SOPS config. - name: Alerts description: Alert integrations and ingest credentials. - name: Notifications description: Notification routes and their delivery targets. - name: Support description: Support tickets. paths: /org/applications/{application_id}/rollbacks: post: tags: - Applications summary: Roll an application deploy back description: >- Put a previously published image back on this application's deployment. The tag is confirmed present in the registry first, the push-to-deploy watermark is moved onto the newest observed build so the convergence loop does not undo the rollback, and the tag is then written through the same narrow path a push-triggered deploy uses. Held to the applications.deploy permission. Browser session authentication with the X-Ankra-CSRF double-submit header only (no bearer twin). operationId: start_application_rollback parameters: - in: path name: application_id required: true schema: type: string title: Application Id requestBody: content: application/json: schema: $ref: '#/components/schemas/StartRollbackRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/RollbackRecord' description: Successful Response '403': content: application/json: schema: $ref: '#/components/schemas/DemoDetailError' description: You do not have permission to roll back deploys of this application. '404': content: application/json: schema: $ref: '#/components/schemas/DemoDetailError' description: >- Not found ("Application not found" or "Target cluster not found in this organisation.") '409': content: application/json: schema: $ref: '#/components/schemas/DemoDetailError' description: >- A deploy of this application to that cluster is still running, or the image tag asked for is already the one running '422': content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' description: Validation Error components: schemas: StartRollbackRequest: description: >- Put a previously published image back on the deployment of this application on one cluster. properties: cluster_id: type: string title: Cluster Id image_tag: title: Image Tag type: string required: - cluster_id - image_tag title: StartRollbackRequest type: object RollbackRecord: description: >- One rollback as it happened. previous_image_tag is null when Ankra could not read what was running - never that nothing was running. watermark_commit_sha names the push-to-deploy build the rollback stamped so the convergence loop would not undo it, or "" when no build had been observed. not_reverted repeats what a rollback leaves untouched. properties: id: title: Id type: string cluster_id: type: string title: Cluster Id target_kind: type: string title: Target Kind stack_name: anyOf: - type: string - type: 'null' title: Stack Name installation_id: anyOf: - type: string - type: 'null' title: Installation Id image_tag: title: Image Tag type: string previous_image_tag: anyOf: - type: string - type: 'null' title: Previous Image Tag watermark_commit_sha: title: Watermark Commit Sha type: string status: type: string title: Status message: anyOf: - type: string - type: 'null' title: Message requested_by: title: Requested By type: string requested_at: title: Requested At type: string not_reverted: items: type: string title: Not Reverted type: array required: - id - cluster_id - target_kind - stack_name - installation_id - image_tag - previous_image_tag - watermark_commit_sha - status - message - requested_by - requested_at - not_reverted title: RollbackRecord type: object DemoDetailError: description: >- The FastAPI-style detail envelope the demo routes use for 400/403/404/409/502 responses. properties: detail: type: string required: - detail type: object HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' title: Detail type: array title: HTTPValidationError type: object ValidationError: properties: loc: items: anyOf: - type: string - type: integer title: Location type: array msg: title: Message type: string type: title: Error Type type: string required: - loc - msg - type title: ValidationError type: object ````