> ## Documentation Index > Fetch the complete documentation index at: https://conductorone-docs-hidden-info-by-role.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # List History > ListHistory returns the SSO settings change history, newest first. ## OpenAPI ````yaml https://spec.speakeasy.com/conductor-one/conductorone/my-source-with-code-samples get /api/v1/settings/sso/history openapi: 3.1.0 info: description: The C1 API is a HTTP API for managing C1 resources. title: C1 API version: 0.1.0-alpha servers: - description: The C1 API server for the current tenant. url: https://{tenantDomain}.conductor.one variables: tenantDomain: default: example description: The domain of the tenant to use for this request. security: - bearerAuth: [] oauth: [] paths: /api/v1/settings/sso/history: get: tags: - SSO summary: List History description: ListHistory returns the SSO settings change history, newest first. operationId: c1.api.sso.v1.SSOSettingsService.ListHistory parameters: - in: query name: page_size schema: description: Maximum number of results to return per page. format: int32 type: integer - in: query name: page_token schema: description: Pagination token from a previous response. type: string responses: '200': content: application/json: schema: $ref: >- #/components/schemas/c1.api.sso.v1.SSOSettingsServiceListHistoryResponse description: >- SSOSettingsServiceListHistoryResponse returns SSO settings history entries. components: schemas: c1.api.sso.v1.SSOSettingsServiceListHistoryResponse: description: >- SSOSettingsServiceListHistoryResponse returns SSO settings history entries. properties: list: description: The page of history entries, newest first. items: $ref: '#/components/schemas/c1.api.sso.v1.SSOSettingsHistoryEntry' type: - array - 'null' nextPageToken: description: >- Pagination token for the next page, or empty if there are no more results. type: string title: Sso Settings Service List History Response type: object x-speakeasy-name-override: SSOSettingsServiceListHistoryResponse c1.api.sso.v1.SSOSettingsHistoryEntry: description: >- SSOSettingsHistoryEntry is one version of the tenant's SSO settings and its change metadata. properties: metadata: oneOf: - $ref: '#/components/schemas/c1.api.history.v1.HistoryEntryMetadata' - type: 'null' snapshot: oneOf: - $ref: '#/components/schemas/c1.api.sso.v1.SSOSettings' - type: 'null' title: Sso Settings History Entry type: object x-speakeasy-name-override: SSOSettingsHistoryEntry c1.api.history.v1.HistoryEntryMetadata: description: |- HistoryEntryMetadata is the shared metadata envelope embedded on every per-service HistoryEntry. The strongly-typed snapshot lives on the per-service entry message alongside this envelope. properties: actor: oneOf: - $ref: '#/components/schemas/c1.api.history.v1.HistoryActor' - type: 'null' annotations: description: |- Server-rendered annotations: known keys carry display_label and (for ticket_id, etc.) display_url resolved from tenant config. Cap mirrors the per-object annotation ceiling (16). items: $ref: '#/components/schemas/c1.api.history.v1.HistoryAnnotation' type: - array - 'null' changeKind: description: |- Storage-model enum re-exported here for wire compatibility with the storage row. UNSPECIFIED should never appear on the wire. enum: - CHANGE_KIND_UNSPECIFIED - CHANGE_KIND_CREATE - CHANGE_KIND_PUT - CHANGE_KIND_HARD_DELETE type: string x-speakeasy-unknown-values: allow createdAt: format: date-time type: - string - 'null' id: description: KSUID. Same value as c1.models.history.v1.ObjectHistory.id. type: string syslogEventId: description: |- System Log event id — KSUID of the OCSF event recorded for this write. Empty for non-RPC writes (workflows, cron). Customer-facing copy says "System Log event"; the underlying format is OCSF. type: string traceId: description: |- OTel trace correlation. Empty when no valid span at write time. 32-hex-char otel trace id or empty. type: string title: History Entry Metadata type: object x-speakeasy-name-override: HistoryEntryMetadata c1.api.sso.v1.SSOSettings: description: >- SSOSettings is the per-tenant configuration for ConductorOne acting as an SSO provider. properties: createdAt: format: date-time type: - string - 'null' defaultAssertionLifetime: format: duration type: - string - 'null' defaultIdTokenSignedResponseAlg: description: >- The id_token signing algorithm applied to OIDC applications that do not choose one. When unset, the server uses EdDSA. enum: - OIDC_SIGNING_ALGORITHM_UNSPECIFIED - OIDC_SIGNING_ALGORITHM_EDDSA - OIDC_SIGNING_ALGORITHM_ES256 - OIDC_SIGNING_ALGORITHM_RS256 type: string x-speakeasy-unknown-values: allow defaultSubjectType: description: >- The subject type materialized onto new SSO applications that do not choose one. Changing this default does not change existing applications. When unset, the server uses pairwise subjects. enum: - SSO_SUBJECT_TYPE_UNSPECIFIED - SSO_SUBJECT_TYPE_PAIRWISE - SSO_SUBJECT_TYPE_PUBLIC type: string x-speakeasy-unknown-values: allow enabled: description: >- Master switch for the SSO provider. ConductorOne also gates the feature behind an operator-controlled rollout flag; this is the tenant administrator's intent. Individual SSO applications can still be disabled one at a time. type: boolean updatedAt: format: date-time type: - string - 'null' title: Sso Settings type: object x-speakeasy-name-override: SSOSettings c1.api.history.v1.HistoryActor: description: |- HistoryActor is a typed reference to whoever performed the change. kind mirrors the storage-model ActorKind enum; user_id is set when kind corresponds to a user principal (API / SUPPORT) so the frontend can resolve the user via its own avatar / lookup hooks. Protos reference objects by id; the frontend renders / caches itself. The raw passport fields (token_id / principal_id) intentionally do not leave the server. Non-user actors (workflow, connector, internal) are identified by `kind` alone; correlating IDs (workflow_run_id, etc.) flow through `HistoryAnnotation` instead of being plucked into the actor message. properties: kind: description: The kind field. enum: - ACTOR_KIND_UNSPECIFIED - ACTOR_KIND_API - ACTOR_KIND_SLACK - ACTOR_KIND_MSTEAMS - ACTOR_KIND_JIRA_CLOUD - ACTOR_KIND_INTERNAL - ACTOR_KIND_SUPPORT - ACTOR_KIND_WORKFLOW type: string x-speakeasy-unknown-values: allow userId: description: |- Bare KSUID. Set when kind = ACTOR_KIND_API or ACTOR_KIND_SUPPORT. Empty otherwise. The frontend resolves user_id → display name via the same lookup paths it uses elsewhere (avatars, mentions, ...). type: string title: History Actor type: object x-speakeasy-name-override: HistoryActor c1.api.history.v1.HistoryAnnotation: description: |- HistoryAnnotation is a single operator-provided key/value rendered with per-key display metadata. Annotations are minted from the Tx.*WithHistoryAnnotations / db.WithHistoryAnnotations call options. properties: displayLabel: description: Server-rendered label, e.g. "Ticket". type: string displayUrl: description: |- Resolved from tenant config; "" if none. Frontend applies its own scheme allowlist. type: string displayValue: description: UI-friendly rendering (truncated / reshaped from raw_value). type: string key: description: 'Storage-side key. Bounds: ^[a-z][a-z0-9_.-]{0,63}$.' type: string kind: description: The kind field. enum: - ANNOTATION_KIND_UNSPECIFIED - ANNOTATION_KIND_GENERIC - ANNOTATION_KIND_TICKET - ANNOTATION_KIND_REASON - ANNOTATION_KIND_WORKFLOW - ANNOTATION_KIND_BATCH - ANNOTATION_KIND_CORRELATION - ANNOTATION_KIND_AUTOMATION type: string x-speakeasy-unknown-values: allow rawValue: description: >- Raw value as stored in ObjectHistory.annotations; storage-side values are capped at 512 bytes. type: string title: History Annotation type: object x-speakeasy-name-override: HistoryAnnotation securitySchemes: bearerAuth: scheme: bearer type: http oauth: description: >- This API uses OAuth2 with the Client Credential flow. Client Credentials must be sent in the BODY, not the headers. For an example of how to implement this, refer to the [c1TokenSource.Token()](https://github.com/ConductorOne/conductorone-sdk-go/blob/3375fe7c0126d17e7ec4e711693dee7b791023aa/token_source.go#L101-L187) function. flows: clientCredentials: scopes: {} tokenUrl: /auth/v1/token type: oauth2 ````