> ## Documentation Index > Fetch the complete documentation index at: https://www.ravion.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # List rollback candidates > List past successful deployments eligible for rollback. ## OpenAPI ````yaml https://api.ravion.com/openapi.yaml get /deployments/{id}/rollback-candidates openapi: 3.0.0 info: title: Ravion version: 0.0.0 servers: - url: https://api.ravion.com security: - BearerAuth: [] tags: - name: Projects - name: Environments - name: Pipelines - name: PipelineRuns - name: TerraformResources - name: TerraformExecutionSummaries - name: PipelineStepExecutions - name: AwsCloudWatch - name: PipelineVersions - name: Organizations - name: Stacks - name: StackWorkspaces - name: Auth - name: OAuth - name: User - name: Health - name: Memberships - name: ServiceAccounts - name: AwsDefaultNetworks - name: AwsAccounts - name: ApiKeys - name: ExecutionEnvironments - name: ModuleDefinitions - name: ModuleVersions - name: ModuleInstances - name: DefaultValueDefinitions - name: DefaultValues - name: CodeSources - name: Github - name: Gitlab - name: Git - name: Values - name: Deployments - name: DeploymentResources - name: InfrastructureEvents - name: WebSocket - name: Describe paths: /deployments/{id}/rollback-candidates: get: tags: - Deployments summary: List rollback candidates description: List past successful deployments eligible for rollback. operationId: ListRollbackCandidates parameters: - in: path name: id required: true schema: type: string responses: '200': content: application/json: schema: additionalProperties: false properties: data: $ref: '#/components/schemas/Deployment.RollbackCandidatesResponse' required: - data type: object description: The request has succeeded. '401': content: application/json: schema: $ref: '#/components/schemas/Errors.UserFacingErrorData' description: You are not authenticated '403': content: application/json: schema: $ref: '#/components/schemas/Errors.UserFacingErrorData' description: You do not have permission to access this resource. '404': content: application/json: schema: $ref: '#/components/schemas/Errors.UserFacingErrorData' description: The server cannot find the requested resource. '500': content: application/json: schema: $ref: '#/components/schemas/Errors.UserFacingErrorData' description: Server error components: schemas: Deployment.RollbackCandidatesResponse: additionalProperties: false properties: data: items: $ref: '#/components/schemas/Deployment.RollbackCandidate' type: array required: - data type: object Errors.UserFacingErrorData: additionalProperties: false description: |- User-facing error presentation data. This is what the API returns to the frontend after formatting ErrorData using CEL templates from the error registry. Used for both: - Error fields on domain models (e.g., PipelineRun.error) - API error response bodies (HTTP 4xx/5xx responses) properties: action: allOf: - $ref: '#/components/schemas/Errors.Action' description: Optional action to help resolve the error code: description: Full error code, e.g., "Ravion:Pipeline:NOT_FOUND" type: string description: description: Additional description with more details type: string details: description: Structured details rendered as user-facing sections. items: $ref: '#/components/schemas/Errors.UserFacingErrorDetailSection' type: array isInternal: description: >- Indicates whether this error is internal (only set when ShowInternal=true). This allows SUPERADMINs to identify internal errors while viewing full details. type: boolean message: description: Main error message (required) type: string metadata: additionalProperties: {} description: >- Error params/metadata. Stripped for internal errors unless superadmin. type: object requestId: description: Request ID for correlating errors with server logs. type: string required: - code - message type: object Deployment.RollbackCandidate: description: |- A past deployment eligible to be re-deployed. Discriminated by deployment kind so consumers can narrow on `kind` to access per-type fields without optionality games. discriminator: mapping: aws:ecs: $ref: '#/components/schemas/Deployment.AwsEcsRollbackCandidate' aws:static: $ref: '#/components/schemas/Deployment.AwsStaticRollbackCandidate' propertyName: kind oneOf: - $ref: '#/components/schemas/Deployment.AwsEcsRollbackCandidate' - $ref: '#/components/schemas/Deployment.AwsStaticRollbackCandidate' type: object Errors.Action: additionalProperties: false description: Action to help user resolve the error properties: label: description: Button/link label text type: string url: description: URL to navigate to for resolution type: string required: - label - url type: object Errors.UserFacingErrorDetailSection: additionalProperties: false description: Structured user-facing error detail section. properties: items: description: List of detail values for this section. items: type: string type: array object: additionalProperties: {} description: Structured detail payload for object rendering. type: object render: description: Rendering hint for clients. Valid values are list or object. type: string title: description: Detail section title shown in the UI. type: string required: - title - render type: object Deployment.AwsEcsRollbackCandidate: additionalProperties: false description: |- AWS ECS rollback candidate — carries task-definition fields the dialog needs to disambiguate revisions of the same family. properties: createdAt: $ref: '#/components/schemas/UtcDateTime' deploymentId: type: string description: type: string imageRefs: description: |- Absolute image references (`repo:tag` or `repo@sha256:...`) that the task definition references. items: type: string type: array kind: enum: - aws:ecs type: string taskDefinitionArn: description: ECS task-definition ARN. type: string taskDefinitionFamily: description: ECS task-definition family. type: string taskDefinitionRevision: description: ECS task-definition revision. format: int32 type: integer required: - kind - deploymentId - createdAt - description - taskDefinitionArn - taskDefinitionFamily - taskDefinitionRevision - imageRefs type: object Deployment.AwsStaticRollbackCandidate: additionalProperties: false description: |- AWS static rollback candidate — carries the promoted S3 directory, which is the only thing the rollback re-applies. properties: createdAt: $ref: '#/components/schemas/UtcDateTime' deploymentId: type: string description: type: string directory: description: |- Promoted S3 directory the rollback re-writes to the KVS `active` key. type: string kind: enum: - aws:static type: string required: - kind - deploymentId - createdAt - description - directory type: object UtcDateTime: description: UTC RFC3339 timestamp with a required Z suffix format: date-time pattern: ^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{1,9})?Z$ type: string x-go-type: apitypes.UTCDateTime x-go-type-import: name: apitypes path: ravion/api-go/pkg/apitypes securitySchemes: BearerAuth: scheme: Bearer type: http ````