> ## Documentation Index > Fetch the complete documentation index at: https://docs.kukkingu.software/llms.txt > Use this file to discover all available pages before exploring further. # Partially update client > Partially updates an existing client by its ID. ## OpenAPI ````yaml https://api.contracting.kukkingu.software/api/v1/docs.json patch /api/v1/clients/{clientId} openapi: 3.1.0 info: title: Contracting Backend API version: 0.1.0 description: API documentation for the Contracting backend service. servers: - url: https://api.contracting.kukkingu.software description: API server security: - bearerAuth: [] paths: /api/v1/clients/{clientId}: patch: tags: - Clients summary: Partially update client description: Partially updates an existing client by its ID. parameters: - schema: type: string description: Unique identifier of the client. example: clnt_z2b3mo8qa5kzptgsu26q2wmh in: path name: clientId required: true description: Unique identifier of the client. - schema: type: string example: tnt_pfh0haxfpzowht3oi213cqos description: >- Specifies the tenant context for the request. All endpoints operate within this tenant scope. in: header name: tenant-id required: true description: >- Specifies the tenant context for the request. All endpoints operate within this tenant scope. requestBody: required: true content: application/json: schema: type: object properties: name: type: string minLength: 1 maxLength: 255 description: The name of the client. example: Acme Corporation description: type: string maxLength: 1024 description: Additional information describing the client. example: A leading provider of road runner deterrents. order: type: integer minimum: 0 maximum: 9007199254740991 description: Order of the resource for sorting purposes. example: 13 additionalProperties: false description: >- Request body used to partially update an existing client resource. description: Request body used to partially update an existing client resource. responses: '200': description: Default Response content: application/json: schema: type: object properties: data: type: object properties: id: type: string description: Unique identifier of the client. example: clnt_z2b3mo8qa5kzptgsu26q2wmh name: type: string minLength: 1 maxLength: 255 description: The name of the client. example: Acme Corporation description: type: string maxLength: 1024 description: Additional information describing the client. example: A leading provider of road runner deterrents. order: type: integer minimum: 0 maximum: 9007199254740991 description: Order of the resource for sorting purposes. example: 13 createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ description: Timestamp when the client was created. example: '2023-10-05T14:48:00.000Z' updatedAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ description: Timestamp when the client was last updated. example: '2023-10-05T14:48:00.000Z' required: - id - name - createdAt - updatedAt additionalProperties: false description: Client resource returned by the API. required: - data additionalProperties: false description: Standard success response payload wrapped in a data property. '400': description: Default Response content: application/json: schema: type: object properties: error: type: string description: Machine-readable error code. example: ValidationError message: type: string description: Human-readable validation error summary. details: type: array items: type: object properties: field: type: string description: Request field that failed validation. message: type: string description: Validation failure message for the field. constraint: type: string description: Validation rule that was violated. required: - field - message - constraint additionalProperties: false required: - error - message additionalProperties: false description: Error response returned when request validation fails. '401': description: Default Response content: application/json: schema: type: object properties: error: default: Unauthorized description: Machine-readable error code. example: Unauthorized type: string message: default: Unauthorized description: Human-readable error message. example: Unauthorized type: string required: - error - message additionalProperties: false description: Error response for requests without valid authentication. '403': description: Default Response content: application/json: schema: type: object properties: error: default: Forbidden description: Machine-readable error code. example: Forbidden type: string message: default: Forbidden description: Human-readable error message. example: Forbidden type: string required: - error - message additionalProperties: false description: Error response for requests blocked by authorization rules. '404': description: Default Response content: application/json: schema: type: object properties: error: default: NotFound description: Machine-readable error code. example: NotFound type: string message: default: Not Found description: Human-readable error message. example: Not Found type: string required: - error - message additionalProperties: false description: Error response when the requested resource does not exist. components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````