> ## Documentation Index > Fetch the complete documentation index at: https://docs.tight.com/llms.txt > Use this file to discover all available pages before exploring further. # Save customers > Save new (or update existing) customers ## OpenAPI ````yaml https://dev.tight.com/v3/api-docs post /v6/customers openapi: 3.0.1 info: title: Tight API contact: name: Hurdlr, Inc. (dba Tight) url: https://www.tight.com email: api@tight.com version: 6.0.0 servers: - url: https://sandbox.tight.com description: Staging Environment - url: https://prod.tight.com description: Production Environment security: - EmbedToken: [] paths: /v6/customers: post: tags: - Customers summary: Save customers description: Save new (or update existing) customers operationId: postCustomers requestBody: content: application/json: schema: $ref: '#/components/schemas/MultiParamCustomerPostDto' required: true responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/ResponseListMultiResponseCustomerGetDto' '207': description: Some customers failed to save. See response body for error details. content: application/json: schema: $ref: '#/components/schemas/ResponseListMultiResponseCustomerGetDto' '400': description: All customers failed to save. content: application/json: schema: $ref: '#/components/schemas/ResponseListMultiResponseCustomerGetDto' '401': description: Not authenticated content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: result: FAILURE error: - type: INVALID_TOKEN message: Invalid access token '403': description: Not authorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: result: FAILURE error: - type: FORBIDDEN message: Expired access token '404': description: Endpoint not found content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: result: FAILURE error: - type: BAD_REQUEST message: Resource not found '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: result: FAILURE error: - type: UNKNOWN_ERROR message: Something went wrong. Please try again later. security: - EmbedToken: [] components: schemas: MultiParamCustomerPostDto: required: - data type: object properties: data: type: array items: $ref: '#/components/schemas/CustomerPostDto' ResponseListMultiResponseCustomerGetDto: type: object properties: result: type: string description: The result of the action performed. enum: - SUCCESS - FAILURE data: type: array description: The data generated by the action performed. items: $ref: '#/components/schemas/MultiResponseCustomerGetDto' error: type: array items: $ref: '#/components/schemas/ErrorItem' ErrorResponse: type: object properties: result: type: string description: The result of the action performed. enum: - SUCCESS - FAILURE data: type: object description: The data generated by the action performed. nullable: true error: type: array items: $ref: '#/components/schemas/ErrorItem' CustomerPostDto: required: - name type: object properties: id: type: string description: Id of the customer, required when updating an existing customer example: cus_28868401 name: type: string description: Name of the customer nullable: false example: Acme Corp status: type: string description: Status of the customer nullable: false example: ACTIVE enum: - ACTIVE - INACTIVE - REMOVED additionalContactName: type: string description: Name of an additional contact for this customer nullable: false example: Jane Smith businessName: type: string description: Business name of the customer nullable: false example: Acme Corporation LLC email: type: string description: Email address of the customer nullable: false example: billing@acme.com ccEmails: type: array nullable: false items: type: string description: CC email addresses for invoices sent to this customer example: '["cc@acme.com"]' bccEmails: type: array nullable: false items: type: string description: BCC email addresses for invoices sent to this customer example: '["bcc@acme.com"]' invoiceSettings: $ref: '#/components/schemas/CustomerInvoiceSettingsPostDto' address: $ref: '#/components/schemas/AddressPostDto' customData: $ref: '#/components/schemas/JsonNode' MultiResponseCustomerGetDto: type: object properties: result: type: string description: The result of the action performed. enum: - SUCCESS - FAILURE statusCode: $ref: '#/components/schemas/HttpStatus' data: $ref: '#/components/schemas/CustomerGetDto' error: type: array items: $ref: '#/components/schemas/ErrorItem' description: The data generated by the action performed. ErrorItem: type: object properties: type: type: string description: The type of the error. Safe for programmatic use. enum: - UNKNOWN_ERROR - INVALID_TOKEN - EXPIRED_TOKEN - FORBIDDEN - BAD_REQUEST - JSON_ERROR - DUPLICATE - REQUIRED - INVALID_VALUE - NOT_MODIFIABLE - INVALID_FORMAT - NOT_FOUND message: type: string description: >- A human-readable message providing more details about the error. Safe for displaying to a user. param: type: string description: >- If the error is parameter-specific, the parameter related to the error. This can be used to display a message near the correct form field. description: Errors associated with the action performed, if applicable. CustomerInvoiceSettingsPostDto: type: object properties: invoicePrefix: type: string description: Prefix used for invoice numbers for this customer nullable: false example: INV- showAdditionalContactName: type: boolean description: Whether to show the additional contact name on invoices nullable: false example: true showBusinessName: type: boolean description: Whether to show the business name on invoices nullable: false example: true showName: type: boolean description: Whether to show the customer name on invoices nullable: false example: true showEmail: type: boolean description: Whether to show the customer email on invoices nullable: false example: true showAddress: type: boolean description: Whether to show the customer address on invoices nullable: false example: true showPhoneWork: type: boolean description: Whether to show the work phone number on invoices nullable: false example: true description: Invoice display settings for this customer nullable: false AddressPostDto: type: object properties: state: type: string description: State/Province of the address nullable: false city: type: string description: City of the address nullable: false zip: type: string description: Zip/Postal code of the address nullable: false phoneWork: type: string description: The US/CA phone number in E.164 format (e.g., +14155551234) nullable: false address1: type: string description: First line of the address nullable: false address2: type: string description: Second line of the address nullable: false description: Address of the vendor nullable: false JsonNode: type: object properties: empty: type: boolean array: type: boolean 'null': type: boolean object: type: boolean float: type: boolean string: type: boolean number: type: boolean missingNode: type: boolean valueNode: type: boolean nodeType: type: string enum: - ARRAY - BINARY - BOOLEAN - MISSING - 'NULL' - NUMBER - OBJECT - POJO - STRING pojo: type: boolean integralNumber: type: boolean floatingPointNumber: type: boolean short: type: boolean int: type: boolean long: type: boolean double: type: boolean bigDecimal: type: boolean bigInteger: type: boolean textual: type: boolean deprecated: true boolean: type: boolean binary: type: boolean container: type: boolean embeddedValue: type: boolean description: >- Custom JSON in which you can store any data with max length of 2000 characters nullable: true example: internal_key: some_internal_key some_other_field: 23434 HttpStatus: type: integer description: The HTTP status code for the action performed. format: int32 enum: - 200 - 400 - 401 - 403 - 404 - 500 CustomerGetDto: required: - additionalContactName - address - bccEmails - businessName - ccEmails - email - id - invoiceSettings - name - status type: object properties: id: type: string description: Id of the customer example: cus_28868401 name: type: string description: Name of the customer example: Acme Corp status: type: string description: Status of the customer example: ACTIVE enum: - ACTIVE - INACTIVE - REMOVED additionalContactName: type: string description: Name of an additional contact for this customer nullable: true example: Jane Smith businessName: type: string description: Business name of the customer nullable: true example: Acme Corporation LLC email: type: string description: Email address of the customer nullable: true example: billing@acme.com ccEmails: type: array description: CC email addresses for invoices sent to this customer example: - cc@acme.com items: type: string description: CC email addresses for invoices sent to this customer example: '["cc@acme.com"]' bccEmails: type: array description: BCC email addresses for invoices sent to this customer example: - bcc@acme.com items: type: string description: BCC email addresses for invoices sent to this customer example: '["bcc@acme.com"]' invoiceSettings: $ref: '#/components/schemas/CustomerInvoiceSettingsGetDto' address: $ref: '#/components/schemas/AddressGetDto' customData: $ref: '#/components/schemas/JsonNode' description: The data generated by the action performed. CustomerInvoiceSettingsGetDto: required: - invoicePrefix - showAdditionalContactName - showAddress - showBusinessName - showEmail - showName - showPhoneWork type: object properties: invoicePrefix: type: string description: Prefix used for invoice numbers for this customer nullable: true example: INV- showAdditionalContactName: type: boolean description: Whether to show the additional contact name on invoices example: true showBusinessName: type: boolean description: Whether to show the business name on invoices example: true showName: type: boolean description: Whether to show the customer name on invoices example: true showEmail: type: boolean description: Whether to show the customer email on invoices example: true showAddress: type: boolean description: Whether to show the customer address on invoices example: true showPhoneWork: type: boolean description: Whether to show the work phone number on invoices example: true description: Invoice display settings for this customer AddressGetDto: type: object properties: countryCode: type: string description: Country Code of the address example: USA enum: - USA - CAN - GBR state: type: string description: State/Province of the address city: type: string description: City of the address zip: type: string description: Zip/Postal code of the address phoneWork: type: string description: The phone number address1: type: string description: First line of the address address2: type: string description: Second line of the address description: Address of the vendor nullable: true securitySchemes: EmbedToken: type: http description: >- Bearer authentication header of the form `Bearer `, see [Authentication for more detail](/api-reference/authentication#partner-level-authentication). scheme: bearer ````