> ## 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. # Get contact > Retrieves a single contact by its ID. ## OpenAPI ````yaml https://api.contracting.kukkingu.software/api/v1/docs.json get /api/v1/contacts/{contactId} 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/contacts/{contactId}: get: tags: - Contacts summary: Get contact description: Retrieves a single contact by its ID. parameters: - schema: type: string example: client,emails,addresses description: >- Comma-separated list of relations to expand. Allowed values: client, emails, addresses. in: query name: expand - schema: type: string description: The ID of the contact. example: con_xlbg6ubfio7tzvsijyp5794c in: path name: contactId required: true description: The ID of the contact. - 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. responses: '200': description: Default Response content: application/json: schema: type: object properties: data: type: object properties: id: type: string description: The ID of the contact. example: con_xlbg6ubfio7tzvsijyp5794c client: anyOf: - type: string description: Unique identifier of the client. example: clnt_z2b3mo8qa5kzptgsu26q2wmh - 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. description: >- Expandable Client field represented either as an ID or a fully expanded object. emails: type: array items: anyOf: - type: string description: The ID of the email. example: eml_vfj7s2ym02jvykrnbl9xufrt - type: object properties: id: type: string description: The ID of the email. example: eml_vfj7s2ym02jvykrnbl9xufrt address: type: string minLength: 1 maxLength: 200 format: email pattern: >- ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$ description: Email address. example: contact@example.com 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 email 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 email was last updated. example: '2023-10-05T14:48:00.000Z' required: - id - address - createdAt - updatedAt additionalProperties: false description: Nested email resource returned by the API. description: Emails belonging to the contact. addresses: type: array items: anyOf: - type: string description: The ID of the address. example: adr_ekq4ymw1nyyd4b6k6f5tg3t6 - type: object properties: id: type: string description: The ID of the address. example: adr_ekq4ymw1nyyd4b6k6f5tg3t6 address1: type: string minLength: 1 maxLength: 200 description: Primary address line. example: 123 Main St address2: type: string maxLength: 200 description: Secondary address line. example: Suite 400 region: type: string maxLength: 100 description: State or region for the address. example: California country: type: string minLength: 1 maxLength: 100 description: Country for the address. example: United States city: type: string minLength: 1 maxLength: 100 description: City for the address. example: San Francisco zip: type: string minLength: 1 maxLength: 20 description: Postal or ZIP code. example: '94103' 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 address 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 address was last updated. example: '2023-10-05T14:48:00.000Z' required: - id - address1 - address2 - region - country - city - zip - createdAt - updatedAt additionalProperties: false description: Nested address resource returned by the API. description: Addresses belonging to the contact. name: type: string minLength: 1 maxLength: 255 description: The full name of the contact. example: Jane Doe salutation: description: The salutation of the contact. example: Ms. type: string maxLength: 50 isDefault: type: boolean description: >- Whether the contact is the default contact for a client. example: true 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 contact 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 contact was last updated. example: '2023-10-05T14:48:00.000Z' required: - id - client - emails - addresses - name - isDefault - createdAt - updatedAt additionalProperties: false description: Contact resource returned by the API. required: - data additionalProperties: false description: Standard success response payload wrapped in a data property. '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 ````