> ## Documentation Index > Fetch the complete documentation index at: https://klef.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Replace the rules a connection's accounts are matched by, in order. ## OpenAPI ````yaml /openapi-public.json put /connections/{id}/match-rules openapi: 3.1.1 info: title: Klef API description: Klef's multi-tenant HRIS sync platform API. version: v1 servers: - url: https://{workspace}.klef.ai/api variables: workspace: default: acme description: Your workspace's subdomain. security: [] tags: - name: Users - name: Connections - name: Adoption - name: Policy resources - name: Audit - name: Catalog - name: Sync - name: Search - name: SyncPlans - name: Agent - name: Auth - name: Workspaces - name: Billing - name: Invitations - name: FirstSignIns - name: Connection accounts - name: Policies - name: Secrets - name: Lookup tables - name: Scripts - name: Segments - name: ApiKeys - name: Members - name: Workers - name: Inbox - name: Notifications paths: /connections/{id}/match-rules: put: tags: - Connection accounts summary: Replace the rules a connection's accounts are matched by, in order. operationId: SaveConnectionMatchRules parameters: - name: id in: path required: true schema: type: string format: uuid - name: If-Match in: header description: >- Strong ETag (e.g. "3") of the resource's current version, from the most recent GET or write. Required for the write to proceed; a missing header returns 428, a malformed value returns 400. required: true schema: type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/SaveConnectionMatchRulesRequest' required: true responses: '204': description: No Content headers: ETag: description: >- Strong ETag for the resource's current version. Send back as `If-Match` on the next write to assert the version observed. required: true schema: type: string '400': description: Validation or business-rule error. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." '401': description: Authentication required. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." '403': description: Permission denied. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." '412': description: >- If-Match did not match the current resource version; reload and retry. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." '428': description: If-Match header is required. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." '500': description: Internal server error. content: application/json: schema: required: - result - errors type: object properties: result: {} errors: type: array items: required: - errorCode - errorMessage type: object properties: errorCode: enum: - validation_error - unauthorized - forbidden - not_found - internal_error - error - precondition_required - precondition_failed - invalid_if_match - worker_not_found - worker_version_not_found - connection_not_found - policy_not_found - policy_revision_not_found - lookup_table_not_found - script_not_found - segment_not_found - workspace_secret_not_found - member_not_found - invitation_not_found - user_not_found - workspace_not_found - api_key_not_found - inbox_item_not_found - sync_plan_not_found - connection_account_not_found - managed_account_not_found - adoption_run_not_found - sync_plan_not_ready - sync_plan_stale - sync_plan_already_applying - subdomain_taken - invalid_subdomain - invalid_invite - last_owner_protected - owner_protected - already_member - already_invited - role_not_assignable - invalid_email - email_required - email_mismatch - invitation_gone - invalid_connector_credentials - wrong_connector_type - connection_not_syncable - connector_o_auth_not_configured - connector_authorization_failed - salesforce_manage_users_required - box_admin_required - linear_admin_required - dropbox_admin_required - invalid_match_rule - adoption_run_composed - adoption_run_empty - adoption_selection_refused - invalid_policy - policy_does_not_compile - policy_secret_missing - policy_lookup_table_missing - policy_script_missing - policy_segment_missing - policy_edit_target_missing - policy_secret_disclosure_forbidden - notification_send_failed - invalid_workspace_secret - workspace_secret_referenced - workspace_secret_name_conflict - invalid_lookup_table - lookup_table_referenced - lookup_table_name_conflict - invalid_script - script_name_conflict - script_referenced - invalid_segment - segment_name_conflict - segment_referenced - segment_worker_missing - api_key_scope_not_granted - api_key_limit_reached - subscription_required - already_subscribed - no_billing_customer - workspace_pending_deletion - workspace_deletion_confirmation_mismatch - workspace_deletion_already_scheduled - workspace_deletion_not_scheduled - workspace_export_expired - workspace_export_not_found - agent_conversation_not_found - agent_proposal_not_found - agent_proposal_outdated - agent_proposal_expired - agent_proposal_already_applied - agent_proposal_rejected - notification_kind_unsupported - first_sign_in_not_found - first_sign_in_gone - first_sign_in_not_a_recipient - first_sign_in_recipient_unknown - first_sign_in_locked - first_sign_in_code_refused - first_sign_in_proof_invalid - password_reset_unsupported - invalid_password_rules - avatar_not_owned - unsupported_image_type - image_too_large description: >- The central catalog of every error returned by the API. errorMessage: type: string target: type: - 'null' - string description: "One error in an API response: a specific ApiErrorCode, a human-readable message,\r\n and an optional string? ApiError.Target (the field a validation error applies to)." description: "The envelope for a single-resource response: T? ApiResponse<T>.Result on success, otherwise `null`\r\n with one or more IReadOnlyList<ApiError> ApiResponse<T>.Errors." security: - cookieAuth: [] - apiKeyAuth: [] components: schemas: SaveConnectionMatchRulesRequest: required: - rules type: object properties: rules: maxItems: 10 type: array items: $ref: '#/components/schemas/MatchRuleRequest' MatchRuleRequest: required: - targetField - workerField type: object properties: targetField: maxLength: 200 minLength: 0 type: string workerField: maxLength: 200 minLength: 0 type: string securitySchemes: cookieAuth: type: apiKey description: >- Cookie-based session. Obtain by completing the `/auth/login/{provider}` OAuth flow; the `/auth/callback` response sets the `klef.session` cookie that subsequent requests send automatically. name: klef.session in: cookie apiKeyAuth: type: http description: >- An API key from **Settings > API keys**, sent as `Authorization: Bearer klef_sk_…`. A key works only on its own workspace's subdomain, and only with the permissions its scopes grant. scheme: bearer bearerFormat: klef_sk_… ````