> ## 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 change history (newest first) for a single SSO application — each entry is a snapshot plus who/when metadata. ## OpenAPI ````yaml https://spec.speakeasy.com/conductor-one/conductorone/my-source-with-code-samples get /api/v1/apps/{app_id}/sso/applications/{id}/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/apps/{app_id}/sso/applications/{id}/history: get: tags: - SSO summary: List History description: |- ListHistory returns the change history (newest first) for a single SSO application — each entry is a snapshot plus who/when metadata. operationId: c1.api.sso.v1.SSOApplicationService.ListHistory parameters: - in: path name: app_id required: true schema: description: The application in your catalog that owns the SSO application. type: string - in: path name: id required: true schema: description: Unique identifier for the SSO application. type: string - in: query name: page_size schema: description: Page size (max 200). format: int32 type: integer - in: query name: page_token schema: description: Page token for pagination. type: string responses: '200': content: application/json: schema: $ref: >- #/components/schemas/c1.api.sso.v1.SSOApplicationServiceListHistoryResponse description: >- SSOApplicationServiceListHistoryResponse returns SSO application history entries. components: schemas: c1.api.sso.v1.SSOApplicationServiceListHistoryResponse: description: |- SSOApplicationServiceListHistoryResponse returns SSO application history entries. properties: list: description: The page of history entries, newest first. items: $ref: '#/components/schemas/c1.api.sso.v1.SSOApplicationHistoryEntry' type: - array - 'null' nextPageToken: description: >- Pagination token for the next page, or empty if there are no more results. type: string title: Sso Application Service List History Response type: object x-speakeasy-name-override: SSOApplicationServiceListHistoryResponse c1.api.sso.v1.SSOApplicationHistoryEntry: description: |- SSOApplicationHistoryEntry is one version of an SSO application and its history metadata. properties: metadata: oneOf: - $ref: '#/components/schemas/c1.api.history.v1.HistoryEntryMetadata' - type: 'null' snapshot: oneOf: - $ref: '#/components/schemas/c1.api.sso.v1.SSOApplication' - type: 'null' title: Sso Application History Entry type: object x-speakeasy-name-override: SSOApplicationHistoryEntry 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.SSOApplication: description: > SSOApplication is one application your users sign in to through ConductorOne. This message contains a oneof named protocol. Only a single field of the following list may be set at a time: - oidc - saml properties: appEntitlementId: description: |- The entitlement a user must hold to sign in. Created with the SSO application and not settable by the caller. type: string appId: description: >- The application in your catalog that owns this sign-in configuration. Its owners, entitlements, and access reviews govern who may sign in. type: string assertionLifetime: format: duration type: - string - 'null' createdAt: format: date-time type: - string - 'null' description: description: Description of the SSO application. type: string disabled: description: >- When true, sign-in through this application is refused. The application and its entitlement are left in place. type: boolean displayName: description: Display name for the SSO application. type: string id: description: Unique identifier for this SSO application. type: string oidc: oneOf: - $ref: '#/components/schemas/c1.api.sso.v1.SSOApplicationOIDCConfig' - type: 'null' saml: oneOf: - $ref: '#/components/schemas/c1.api.sso.v1.SSOApplicationSAMLConfig' - type: 'null' sectorId: description: |- The pairwise sector this application belongs to. Empty means the application is its own sector and shares linkability with nothing; set a shared value to issue one identifier across applications a user should appear the same to. Ignored when the subject type resolves to PUBLIC. Immutable once set. type: string subjectType: description: How the user's identifier reaches this application. enum: - SSO_SUBJECT_TYPE_UNSPECIFIED - SSO_SUBJECT_TYPE_PAIRWISE - SSO_SUBJECT_TYPE_PUBLIC type: string x-speakeasy-unknown-values: allow updatedAt: format: date-time type: - string - 'null' title: Sso Application type: object x-speakeasy-name-override: SSOApplication 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 c1.api.sso.v1.SSOApplicationOIDCConfig: description: SSOApplicationOIDCConfig is the OIDC-specific sign-in configuration. properties: claimMappings: description: >- Custom claims released to this application, in addition to the standard claims its granted scopes already release. items: $ref: '#/components/schemas/c1.api.sso.v1.OIDCClaimMapping' type: - array - 'null' idTokenSignedResponseAlg: description: The algorithm used to sign this application's id_token. enum: - OIDC_SIGNING_ALGORITHM_UNSPECIFIED - OIDC_SIGNING_ALGORITHM_EDDSA - OIDC_SIGNING_ALGORITHM_ES256 - OIDC_SIGNING_ALGORITHM_RS256 type: string x-speakeasy-unknown-values: allow title: Sso Application Oidc Config type: object x-speakeasy-name-override: SSOApplicationOIDCConfig c1.api.sso.v1.SSOApplicationSAMLConfig: description: SSOApplicationSAMLConfig is the SAML-specific sign-in configuration. properties: acsUrls: description: |- The Assertion Consumer Service URLs the assertion may be posted to. Matched exactly; a URL that is not in this list is refused. items: type: string type: - array - 'null' attributeMappings: description: >- The attributes released in the assertion's AttributeStatement. SAML has no scopes, so this list is the whole release: the NameID carries the identifier and these carry everything else. items: $ref: '#/components/schemas/c1.api.sso.v1.SAMLAttributeMapping' type: - array - 'null' encryptAssertions: description: Encrypt the assertion. type: boolean encryptionAlgorithm: description: The algorithm used when encrypt_assertions is set. enum: - SAML_ENCRYPTION_ALGORITHM_UNSPECIFIED - SAML_ENCRYPTION_ALGORITHM_AES256_GCM - SAML_ENCRYPTION_ALGORITHM_AES128_GCM - SAML_ENCRYPTION_ALGORITHM_AES256_CBC type: string x-speakeasy-unknown-values: allow nameIdFormat: description: >- Set this when the service provider requires a specific NameID format. This also selects the NameID value semantics: EMAIL_ADDRESS uses the user's primary email, TRANSIENT creates a new value for each sign-in, and PERSISTENT uses the application's pairwise subject. Immutable once set. enum: - SAML_NAME_ID_FORMAT_UNSPECIFIED - SAML_NAME_ID_FORMAT_PERSISTENT - SAML_NAME_ID_FORMAT_EMAIL_ADDRESS - SAML_NAME_ID_FORMAT_UNSPECIFIED_URN - SAML_NAME_ID_FORMAT_TRANSIENT type: string x-speakeasy-unknown-values: allow requireSignedAuthnRequests: description: |- Reject any AuthnRequest that is not signed by one of sp_signing_certificates. At least one signing certificate is required when this is set. type: boolean signAssertions: description: >- Sign the assertion. At least one of sign_assertions or sign_responses must be set. type: boolean signResponses: description: |- Sign the response envelope. At least one of sign_assertions or sign_responses must be set. type: boolean spEncryptionCertificate: description: >- The service provider's DER-encoded encryption certificate, taken from the encryption KeyDescriptor in its metadata. Required when encrypt_assertions is set. format: base64 type: string spEntityId: description: |- The service provider's entity ID, taken from its metadata. It is the audience every assertion this application issues is restricted to, and it is what the service provider presents at sign-in. Set it at creation: it is fixed for the life of the application, because changing it re-points every assertion already issued. An entity ID already in use by another SSO application in the tenant is rejected. type: string spSigningCertificates: description: >- The service provider's DER-encoded signing certificates, taken from the signing KeyDescriptors in its metadata. items: format: base64 type: string type: - array - 'null' required: - spEntityId - acsUrls title: Sso Application Saml Config type: object x-speakeasy-name-override: SSOApplicationSAMLConfig c1.api.sso.v1.OIDCClaimMapping: description: |- OIDCClaimMapping releases one user attribute to the application as one OIDC claim. properties: claimName: description: >- The name of the claim as the application sees it. Namespace custom claims so they cannot collide with the registered OIDC claim set. type: string destination: description: Where the claim is released. enum: - OIDC_CLAIM_DESTINATION_UNSPECIFIED - OIDC_CLAIM_DESTINATION_ID_TOKEN_ONLY - OIDC_CLAIM_DESTINATION_USERINFO_ONLY type: string x-speakeasy-unknown-values: allow userAttributeMappingId: description: >- The user attribute mapping that resolves the value, including its fallback chain. type: string required: - userAttributeMappingId - claimName title: Oidc Claim Mapping type: object x-speakeasy-name-override: OIDCClaimMapping c1.api.sso.v1.SAMLAttributeMapping: description: |- SAMLAttributeMapping releases one user attribute to the service provider as one Attribute in the assertion's AttributeStatement. properties: friendlyName: description: Optional FriendlyName, for service providers that display it. type: string name: description: The Name attribute, dictated by the service provider. type: string nameFormat: description: The NameFormat attribute. enum: - SAML_ATTRIBUTE_NAME_FORMAT_UNSPECIFIED - SAML_ATTRIBUTE_NAME_FORMAT_URI - SAML_ATTRIBUTE_NAME_FORMAT_BASIC - SAML_ATTRIBUTE_NAME_FORMAT_UNSPECIFIED_URN type: string x-speakeasy-unknown-values: allow userAttributeMappingId: description: >- The user attribute mapping that resolves the value, including its fallback chain. type: string required: - userAttributeMappingId - name title: Saml Attribute Mapping type: object x-speakeasy-name-override: SAMLAttributeMapping 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 ````