> ## Documentation Index > Fetch the complete documentation index at: https://docs.neuracall.com/llms.txt > Use this file to discover all available pages before exploring further. # Obtener Token > Authenticate your application using client credentials to obtain an access token. The returned token should be included in the `Authorization` header of subsequent requests: ``` Authorization: Bearer ``` Tokens expire after the duration specified in `expires_at`. Request a new token before expiration. ## OpenAPI ````yaml POST /v1/auth openapi: 3.0.2 info: title: Neuracall API description: >- ## Overview The Neuracall API provides powerful call analysis capabilities for contact centers and customer service teams. Submit audio recordings and receive detailed analysis including: - **Transcription**: Accurate speech-to-text conversion - **Quality Scoring**: Automated evaluation against customizable criteria - **Insights & Keywords**: AI-extracted conversation highlights - **Statistics**: Aggregated performance metrics ## Authentication All API endpoints (except `/v1/auth`) require a Bearer token. Obtain your token using the Authentication endpoint with your client credentials. ``` Authorization: Bearer ``` ## Support For questions or issues, contact support@neuracall.com contact: name: Neuracall Support url: https://neuracall.com/support email: support@neuracall.com license: name: Proprietary url: https://neuracall.com/license version: 1.0.0 servers: [] security: [] tags: - name: Authentication description: >- Obtain access tokens to authenticate your application. Required before making other API calls. - name: Analysis Models description: >- Manage analysis models that define evaluation criteria and scoring parameters for call analysis. - name: Model Categories description: >- Manage categories within analysis models. Categories group related evaluation variables and help organize the scoring structure. - name: Model Variables description: >- Manage evaluation variables within analysis models. Variables define specific scoring criteria used during call analysis. - name: Model Metadata description: >- Manage metadata fields within analysis models. Metadata defines additional information required when submitting calls for analysis (e.g., campaign, department). - name: Call Analysis description: >- Submit audio recordings for analysis and retrieve results including transcriptions, scores, and insights. - name: Statistics description: >- Retrieve aggregated statistics and performance metrics from analyzed calls for dashboards and reporting. paths: /v1/auth: post: tags: - Authentication summary: Obtain an access token description: >- Authenticate your application using client credentials to obtain an access token. The returned token should be included in the `Authorization` header of subsequent requests: ``` Authorization: Bearer ``` Tokens expire after the duration specified in `expires_at`. Request a new token before expiration. operationId: Authenticate_v1_auth_post requestBody: content: application/json: schema: $ref: '#/components/schemas/AuthRequest' required: true responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/AuthResponse' '401': description: Invalid credentials content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' components: schemas: AuthRequest: title: AuthRequest required: - client_id - client_secret type: object properties: client_id: title: Client Id type: string description: Your application's client ID provided by Neuracall example: nc_client_a1b2c3d4e5f6g7h8 client_secret: title: Client Secret type: string description: >- Your application's client secret. Keep this secure and never expose it publicly example: nc_secret_x9y8z7w6v5u4t3s2 description: Request body for authentication example: client_id: nc_client_a1b2c3d4e5f6g7h8 client_secret: nc_secret_x9y8z7w6v5u4t3s2 AuthResponse: title: AuthResponse required: - access_token - expires_at - client_id_audience type: object properties: access_token: title: Access Token type: string description: >- JWT access token to include in the Authorization header of subsequent requests example: >- eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwczovL25ldXJhY2FsbC5hdXRoMC5jb20vIn0... expires_at: title: Expires At type: integer description: >- Unix timestamp (seconds) when the token expires. Request a new token before this time example: 1735689600 client_id_audience: title: Client Id Audience type: string description: The audience identifier for this token example: https://api.neuracall.com/call-analysis scope: title: Scope type: string description: Space-separated list of granted permission scopes example: >- read:call-analysis-requests write:call-analysis-request read:call-analysis-audio description: Authentication response containing access token and metadata example: access_token: >- eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwczovL25ldXJhY2FsbC5hdXRoMC5jb20vIn0... expires_at: 1735689600 client_id_audience: https://api.neuracall.com/call-analysis scope: >- read:call-analysis-requests write:call-analysis-request read:call-analysis-audio read:call-analysis-transcription read:prompt-template write:prompt-template read:call-analysis-stats ErrorResponse: title: ErrorResponse required: - code - message type: object properties: code: title: Code type: string description: Error code for programmatic handling example: 001-001-0001 path: title: Path type: string description: Field path for validation errors example: body.external_id message: title: Message type: string description: Human-readable error message example: The requested resource was not found description: Standard error response format for API errors example: code: 001-001-0001 message: The requested resource was not found HTTPValidationError: title: HTTPValidationError type: object properties: detail: title: Detail type: array items: $ref: '#/components/schemas/ValidationError' ValidationError: title: ValidationError required: - loc - msg - type type: object properties: loc: title: Location type: array items: anyOf: - type: string - type: integer msg: title: Message type: string type: title: Error Type type: string ````