> ## Documentation Index > Fetch the complete documentation index at: https://docs.corbado.com/llms.txt > Use this file to discover all available pages before exploring further. # List error flavours > Lists all error flavours of the project (content-addressed raw error signatures; capped per project, so the full list is returned unpaged). Occurrence statistics are NOT included — counts and recency come from the `subflow-error-flavour-v1` time series, keyed by the raw flavour id in t1. Required API key permission: `observe:errorFlavours:read`. ## OpenAPI ````yaml /api-reference/openapi/observe.yaml get /observe/errorFlavours openapi: 3.1.1 info: version: 1.0.0 title: Corbado API description: > # Introduction This documentation gives an overview of all Corbado API calls to implement authentication observe. contact: name: Corbado team email: support@corbado.com url: https://www.corbado.com servers: - url: https://api.cloud.corbado.io/v1 security: - bearerAuth: [] tags: - name: ObserveFlow description: Flow search and related APIs x-group: Journeys and users - name: ObserveSubFlow description: Subflow search and related APIs x-group: Journeys and users - name: ObserveUser description: User search and related APIs x-group: Journeys and users - name: ObserveClientEnv description: Client environment search APIs x-group: Journeys and users - name: ObserveTimeSeries description: Time series query APIs x-group: Metrics and funnels - name: ObserveFunnel description: Historical funnel metrics, dictionaries and coverage. x-group: Metrics and funnels - name: ObserveEvent description: Event ingestion and event feed APIs x-group: Events - name: ObserveError description: Named authentication errors and recommendations. x-group: Error management - name: ObserveErrorFlavour description: Error variants and their impact on authentication outcomes. x-group: Error management - name: ObserveAlert description: Authentication alert rules, instances and history. x-group: Alert management - name: ObserveAnnotation description: Annotation APIs (dated notes for analytics context) x-group: Annotations - name: ObserveTableExport description: Table export file listing and download APIs x-group: Data exports - name: ObserveTimeSeriesExport description: Time-series export generation and downloads. x-group: Data exports - name: ObserveDataExport description: Data export APIs x-group: User data - name: ObserveDataDeletionJob description: Data deletion job APIs x-group: User data - name: ObserveFlowTypeDefinition description: Flow type definitions used in authentication journeys. x-group: Catalogs and labels - name: ObserveCatalog description: Catalog APIs x-group: Catalogs and labels - name: OpenAPI description: Downloadable API specification - name: ProjectOperationExecution description: Project-scoped operation history and pipeline health - name: ObserveClassification description: Flow and subflow classification APIs - name: ObserveIntegrationStats description: Integration stats APIs - name: ObserveTimeSeriesPrecalculation description: Time series precalculation APIs - name: ObserveIDList x-group: Saved ID lists description: Stored ID-list selection APIs - name: ObserveDataContext description: Schema-loose data context APIs for agent and debugging tooling - name: ObserveData description: Observe data administration APIs - name: ObserveTrackingStats description: Tracking ingestion stats APIs - name: ObserveExperiment x-group: Experiments description: Experiment catalog and run APIs - name: ObserveDataPolicy description: >- Project data policy catalogue (retention selected by the SDK's meta.dataPolicy code) - name: ObserveMetadata x-group: Metadata description: Authenticator metadata APIs (FIDO MDS + passkey AAGUID) - name: ObservePasskey x-group: Passkey analysis description: Observed passkey search and cohort analysis. paths: /observe/errorFlavours: get: tags: - ObserveErrorFlavour summary: List error flavours description: >- Lists all error flavours of the project (content-addressed raw error signatures; capped per project, so the full list is returned unpaged). Occurrence statistics are NOT included — counts and recency come from the `subflow-error-flavour-v1` time series, keyed by the raw flavour id in t1. Required API key permission: `observe:errorFlavours:read`. operationId: ObserveErrorFlavourList responses: '200': description: >- All error flavours of the project, sorted by first-seen (descending). content: application/json: schema: type: array maxItems: 100000 items: $ref: '#/components/schemas/observeErrorFlavour' default: $ref: '#/components/responses/error' security: - bearerAuth: - observe:errorFlavours:read components: schemas: observeErrorFlavour: type: object required: - id - subFlowType - stepName - name - message - code - uiPatterns - specType - trigger - durationBucket - firstSeenMs properties: id: type: string description: Error flavour ID (format `erf-`). subFlowType: type: string description: Subflow type the flavour belongs to (e.g. passkey-login). stepName: type: string description: Step the error occurred on ("" for subflow-level errors). name: type: string description: >- Raw error name from the tracking event (e.g. NotAllowedError; "" for code-only and step-incomplete flavours). message: type: string description: >- Raw error message from the tracking event ("" for code-only and step-incomplete flavours). code: type: string description: >- Raw error code from the tracking event ("" when the error carried name/message instead). uiPatterns: type: string description: >- Canonical comma-joined set of UI patterns observed during the error ("" for none). specType: type: string description: >- Resolved subflow spec type the error occurred under ("" when the subflow has none). trigger: type: string enum: - step-error - step-incomplete - step-missing - no-followup description: >- What produced the flavour - an explicit error event, a must-complete step that ended neither finished nor errored, a step the subflow had to reach that never appeared at all, or a subflow with interaction evidence but no step or error event at all. durationBucket: type: string enum: - '0' - le100 - le2000 - le30000 - gt30000 - na description: Bucketed step-start to error latency (na when not measurable). errorID: type: string description: >- ID of the error this flavour is mapped to (format `err-`); absent while unmapped. assignSource: type: string enum: - manual - kb - agent description: >- Who made the current error assignment - a human in the Management Console (manual), a deterministic knowledge-base rule (kb), or AI/agent judgment (agent). Absent while unmapped and on assignments made before provenance existed. assignReason: type: string description: >- Human-readable explanation of why this flavour belongs to its error. Absent under the same conditions as assignSource. firstSeenMs: type: integer format: int64 description: >- Timestamp of the occurrence that minted this flavour, in milliseconds since epoch. errorRspV2: type: object required: - error properties: error: type: object required: - message properties: message: description: Error message type: string example: Validation failed details: description: Validation error details per field type: array items: type: object required: - field - message properties: field: description: Field name that failed validation type: string example: projectID message: description: Validation error message type: string example: required responses: error: description: Error content: application/json: schema: $ref: '#/components/schemas/errorRspV2' securitySchemes: bearerAuth: type: http scheme: bearer description: >- Use an Observe API key from the management console. The key selects the project and must grant the permission listed on the operation. Keep this key on your server. ````