> ## Documentation Index > Fetch the complete documentation index at: https://blackbox.dasha.ai/llms.txt > Use this file to discover all available pages before exploring further. # Get SIP credential > Retrieves a specific SIP credential by its unique identifier including server configuration, authentication details, and associated phone numbers. ## OpenAPI ````yaml https://blackbox.dasha.ai/swagger/v1/swagger.json get /api/v1/sip-credentials/{id} openapi: 3.0.4 info: title: Dasha BlackBox Agent API description: API for managing AI agents and calls contact: name: DashaAI Team email: support@dasha.ai version: v1 servers: - url: https://blackbox.dasha.ai description: Dasha BlackBox Agent API security: - {} - {} tags: - name: ActivityLogs - name: Agents - name: CallResults - name: Calls - name: Chats - name: CustomerData - name: Mcp - name: Media - name: Misc - name: PronunciationDictionaries - name: Providers - name: SipAliases - name: SipCredentials - name: SipPhoneNumbers - name: TextChat - name: TwilioProvider - name: Voice - name: WebhookTest - name: WebIntegrations - name: WebSocket description: WebSocket endpoints for real-time communication paths: /api/v1/sip-credentials/{id}: get: tags: - SipCredentials summary: Get SIP credential description: >- Retrieves a specific SIP credential by its unique identifier including server configuration, authentication details, and associated phone numbers. parameters: - name: id in: path description: Credential identifier required: true schema: type: string format: uuid responses: '200': description: Returns SIP credential successfully content: application/json: schema: $ref: '#/components/schemas/SipCredentialsResponseDto' '401': description: Authentication failed or API key is missing content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '404': description: SIP credential with specified ID does not exist content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '500': description: Server error occurred while retrieving SIP credential components: schemas: SipCredentialsResponseDto: required: - createdTime - id - lastUpdateTime - orgId - server - source - transport type: object properties: id: type: string description: >- Unique identifier for these SIP credentials. Use this ID when configuring phone numbers or referencing these credentials in agent configurations. format: uuid orgId: minLength: 1 type: string description: >- Organization that owns these SIP credentials. Used for access control and resource isolation. domain: type: string description: >- SIP domain for authentication realm as defined in RFC 3261. Used by some SIP providers as the authentication domain. nullable: true server: minLength: 1 type: string description: >- SIP server hostname or IP address with optional port, following RFC 3261 specifications. Specifies where to send SIP registration and call signaling. authUser: type: string description: >- Authentication user identifier as defined in RFC 3261. Different providers may call this "username", "account", "user ID", or other names. nullable: true authPassword: type: string description: Password for SIP authentication as defined in RFC 3261. nullable: true transport: allOf: - $ref: '#/components/schemas/TransportProtocol' description: >- Transport protocol used for SIP signaling. Indicates whether this trunk uses UDP, TCP, or TLS for communication. description: type: string description: >- Human-readable description of these credentials. Helps identify which SIP provider or trunk these credentials represent. nullable: true cpsLimit: type: integer description: >- Maximum calls per second allowed through this SIP trunk. Controls call pacing to prevent exceeding provider rate limits. format: int32 nullable: true cpsKey: type: string description: >- Shared rate limiting key for grouping multiple credentials under a common CPS limit. When set, multiple trunks with the same key share the rate limit. nullable: true source: allOf: - $ref: '#/components/schemas/CredentialSource' description: >- Indicates how these credentials were created. 'manual' means user-entered credentials, 'provider' means automatically configured by a connected VoIP provider integration (such as Twilio). providerId: type: string description: >- Reference to the VoIP provider that manages these credentials. Present only for provider-managed credentials where Source is 'provider'. When present, the provider handles credential lifecycle and configuration. format: uuid nullable: true createdTime: type: string description: Timestamp when these credentials were originally created. format: date-time lastUpdateTime: type: string description: >- Timestamp when these credentials were last modified. Updates when configuration changes are made. format: date-time additionalProperties: false description: >- SIP trunk credentials information including connection settings, authentication, rate limiting, and metadata. Contains all configuration needed to connect to a SIP provider for making and receiving calls. ProblemDetails: type: object properties: type: type: string nullable: true title: type: string nullable: true status: type: integer format: int32 nullable: true detail: type: string nullable: true instance: type: string nullable: true additionalProperties: {} TransportProtocol: enum: - udp - tcp - tls type: string description: >- Transport protocol for SIP communication. Defines how SIP messages are transmitted over the network. CredentialSource: enum: - manual - provider type: string description: >- Source of provider credentials. Indicates how the credentials were obtained and configured. ````