> ## Documentation Index > Fetch the complete documentation index at: https://www.vobiz.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Request brand authentication > Starts the registry's brand authentication for a brand whose `brandType` is `TENDLC_PUBLIC_COMPANY`. ## OpenAPI ````yaml openapi-sms.yaml POST /10dlc/brands/{id}/brand-auth-verification openapi: 3.0.3 info: title: Vobiz Messaging API description: > Send and receive SMS, MMS and RCS messages, buy messaging numbers, register for US 10DLC and toll-free, run broadcasts, manage conversations, opt-outs and webhooks. **Base URL:** `https://api.vobiz.ai/api/v1/sms` **Authentication:** every request needs the `X-Auth-ID` and `X-Auth-Token` headers. The account is taken from your credentials; you never put an account ID in a path or body. Field names in this API are camelCase. version: '1.0' contact: email: support@vobiz.ai url: https://vobiz.ai servers: - url: https://api.vobiz.ai/api/v1/sms description: Production security: - AuthID: [] AuthToken: [] tags: - name: Messages description: Send messages and inspect their delivery state. - name: Numbers description: >- Messaging-capable numbers on your account, inventory search, purchase and release. - name: Coverage description: Where you can send, per country. - name: Conversations description: Two-way threads between one of your numbers and a contact. - name: Opt-outs description: Numbers that must not receive messages on a channel. - name: Webhooks description: Subscriptions that deliver message and broadcast events to your server. - name: Broadcasts description: Bulk sends from an uploaded recipient list. - name: RCS Senders description: RCS sender (agent) identities and their message templates. - name: 10DLC Brands description: US 10DLC brand registration. - name: 10DLC Campaigns description: US 10DLC campaigns, toll-free verification and supporting documents. paths: /10dlc/brands/{id}/brand-auth-verification: post: tags: - 10DLC Brands summary: Request brand authentication description: >- Starts the registry's brand authentication for a brand whose `brandType` is `TENDLC_PUBLIC_COMPANY`. The registry sends a two-factor verification request to the brand's `businessContactEmail`, and the brand shows `registrationStatus` `PENDING_2FA` until the contact completes it. The request has no body and returns `202` with `{"status":"requested"}`. Any other brand type returns `400` with `invalid request: brand authentication is only available for TENDLC_PUBLIC_COMPANY brands`. operationId: brand-auth-verification parameters: - name: id in: path required: true description: >- Brand ID (UUID) returned by `POST /10dlc/brands`. An unknown ID, an ID from another account, or a value that is not a UUID returns `404` with `{"error":"brand not found"}`. schema: type: string format: uuid example: 8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10 responses: '202': description: >- The request was accepted. Track progress with `GET /10dlc/brands/{id}/registrar-statuses`. content: application/json: schema: $ref: '#/components/schemas/BrandAuthRequested' example: status: requested '400': description: The brand is not a public company. content: application/json: schema: $ref: '#/components/schemas/Error' example: error: >- invalid request: brand authentication is only available for TENDLC_PUBLIC_COMPANY brands '401': $ref: '#/components/responses/Unauthorized' '404': description: The brand does not exist on your account. content: application/json: schema: $ref: '#/components/schemas/Error' example: error: brand not found '422': description: >- The US 10DLC registry declined the request. `error` carries the registry's description. content: application/json: schema: $ref: '#/components/schemas/TenDLCError' example: error: >- registration provider rejected the request: brand is not yet submitted providerError: 'registration error 403 (HTTP 403): brand is not yet submitted' '500': $ref: '#/components/responses/ServerError' '502': description: The US 10DLC registry did not answer. Retry the request. content: application/json: schema: $ref: '#/components/schemas/TenDLCError' example: error: registration provider unavailable providerError: 'registration error 500 (HTTP 500): upstream timeout' x-codeSamples: - lang: typescript label: Node SDK source: > import { VobizClient } from "@vobiz/sdk"; const client = new VobizClient({ apiKey: "MA_XXXXXXXX", authToken: "YOUR_AUTH_TOKEN" }); await client.sms.brands.brandAuthVerification({ id: "8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10" }) - lang: python label: Python SDK source: | from vobiz import Vobiz client = Vobiz(api_key="MA_XXXXXXXX", auth_token="YOUR_AUTH_TOKEN") client.sms.brands.brand_auth_verification( id="8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10", ) - lang: go label: Go SDK source: | import ( "context" vobiz "github.com/vobiz-ai/Vobiz-Go-SDK" "github.com/vobiz-ai/Vobiz-Go-SDK/client" "github.com/vobiz-ai/Vobiz-Go-SDK/option" "github.com/vobiz-ai/Vobiz-Go-SDK/sms" ) c := client.NewClient( option.WithAPIKey("MA_XXXXXXXX"), option.WithAuthToken("YOUR_AUTH_TOKEN"), ) request := &sms.BrandAuthVerificationRequest{ ID: "8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10", } c.Sms.Brands.BrandAuthVerification( context.TODO(), request, ) - lang: java label: Java SDK source: | import com.vobiz.api.VobizApiClient; VobizApiClient client = VobizApiClient .builder() .apiKey("MA_XXXXXXXX") .authToken("YOUR_AUTH_TOKEN") .build(); client.sms().brands().brandAuthVerification( "8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10", BrandAuthVerificationRequest .builder() .build() ); - lang: ruby label: Ruby SDK source: > require 'vobiz' client = Vobiz::Client.new(api_key: 'MA_XXXXXXXX', auth_token: 'YOUR_AUTH_TOKEN') client.sms.brands.brand_auth_verification(id: "8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10") - lang: csharp label: C# SDK source: | using Vobiz; using Vobiz.Sms; var client = new VobizApiClient("YOUR_AUTH_TOKEN", "MA_XXXXXXXX"); await client.Sms.Brands.BrandAuthVerificationAsync( new BrandAuthVerificationRequest { Id = "8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10" } ); - lang: php label: PHP SDK source: > sms->brands->brandAuthVerification( '8e6c4a2f-0d9b-4b7a-a5c3-1e9f7d5b3a10', ); components: schemas: BrandAuthRequested: type: object properties: status: type: string example: requested description: >- Always `requested`. Follow the result in the brand's `registrationStatus` or in `GET /10dlc/brands/{id}/registrar-statuses`. description: >- Acknowledgement that the registry accepted a brand-authentication or 2FA resend request. The outcome arrives later on the brand. Error: type: object description: >- The body of every error response: a flat object with one `error` string that explains what went wrong. Use the HTTP status code to decide how to handle the error, and log `error` for diagnosis. required: - error properties: error: type: string example: 'recipient has opted out: +14155550123' description: >- Human-readable explanation of the error, for example `phoneNumber is required` or `recipient has opted out: +14155550123`. Branch on the HTTP status code rather than on this text. TenDLCError: description: >- Error returned when the US 10DLC registry declines or cannot process a request. `error` is a human-readable message you can show or log. When the registry answers with `400`, `404`, `409`, `422` or `429`, the same status is passed through with this body; `502` means the registry did not answer and `503` means it did not accept Vobiz's service credentials. allOf: - $ref: '#/components/schemas/Error' - type: object properties: providerError: type: string description: >- Opaque diagnostic string you can quote to support. Do not parse it. example: 'registration error 400 (HTTP 400): brand legalName is required' responses: Unauthorized: description: Missing or invalid `X-Auth-ID` / `X-Auth-Token`. content: application/json: schema: $ref: '#/components/schemas/Error' example: error: missing or invalid credentials ServerError: description: Unexpected error. Retry with the same idempotency key where one applies. content: application/json: schema: $ref: '#/components/schemas/Error' example: error: internal error securitySchemes: AuthID: type: apiKey in: header name: X-Auth-ID description: Your Vobiz account Auth ID (`MA_XXXXXXXX`). AuthToken: type: apiKey in: header name: X-Auth-Token description: Your Vobiz account Auth Token. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.