> ## Documentation Index > Fetch the complete documentation index at: https://docs.neuraltrust.ai/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > These docs cover three products: TrustGate (AI agent gateway), TrustGuard (runtime security), and TrustTest (AI red teaming). Start from each product overview for the definition and How it works. Prefer the .md URL next to a page in /llms.txt when you need the full article. Use /llms-full.txt for a single-file dump of the site. # Preview an agent card > Resolves and reads the agent card an a2a_target names, and returns it with its digest and the A2A versions it offers. Writes nothing; credentials in the body are used for this read only. ## OpenAPI ````yaml /trustgate/api/openapi.json post /v1/gateways/{gateway_id}/registries/preview-agent-card openapi: 3.0.0 info: description: >- Administrative API for managing gateways and their registries, policies, consumers and auth credentials. title: TrustGate Admin API contact: name: NeuralTrust url: https://neuraltrust.ai/contact email: support@neuraltrust.ai version: '1.0' servers: - url: / security: [] paths: /v1/gateways/{gateway_id}/registries/preview-agent-card: post: tags: - registries summary: Preview an agent card description: >- Resolves and reads the agent card an a2a_target names, and returns it with its digest and the A2A versions it offers. Writes nothing; credentials in the body are used for this read only. parameters: - description: Gateway id name: gateway_id in: path required: true schema: type: string format: uuid requestBody: content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.PreviewAgentCardRequest description: Agent to read required: true responses: '200': description: OK content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_response.PreviewAgentCardResponse '400': description: Bad Request content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_httpio.ErrorBody '401': description: Unauthorized content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_httpio.ErrorBody '422': description: Unprocessable Entity content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_httpio.ErrorBody security: - BearerAuth: [] components: schemas: github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.PreviewAgentCardRequest: type: object properties: allowed_methods: type: array items: type: string auth: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.MCPAuthRequest azure_foundry: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_registry.FoundryLocator bedrock_agentcore: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_registry.AgentCoreLocator card_auth: type: string enum: - same - client_credentials - cloud card_url: type: string cloud_auth: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2ACloudAuthRequest headers: type: object additionalProperties: type: string protocol_version: type: string enum: - '0.3' - '1.0' provider: type: string enum: - generic - bedrock_agentcore - azure_foundry - vertex_agent_engine url: type: string vertex_agent_engine: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_registry.VertexLocator github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_response.PreviewAgentCardResponse: type: object properties: card: type: object card_digest: type: string default_version: type: string resolved_card_url: type: string versions: type: array items: type: string github_com_NeuralTrust_TrustGate_pkg_api_handler_http_httpio.ErrorBody: type: object properties: error: type: string message: type: string github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.MCPAuthRequest: type: object properties: account: description: >- Account is whose account a forwarded credential is: the caller's own (empty, or "user") or the one the instance holds for everyone ("shared"). type: string actor: type: string audience: type: string authorize_url: type: string client_id: type: string client_secret: description: '#nosec G117' type: string expected_audience: type: string header: type: string identity_id: description: |- IdentityID is the gateway oauth2 auth that signs an obo or token_exchange call. type: string mode: type: string pattern: type: string provider: type: string registration: type: string resource: type: string scope: type: string scopes: type: array items: type: string token_endpoint_auth_method: type: string token_url: type: string value: description: '#nosec G117' type: string github_com_NeuralTrust_TrustGate_pkg_domain_registry.FoundryLocator: type: object properties: agent_name: type: string project_endpoint: type: string github_com_NeuralTrust_TrustGate_pkg_domain_registry.AgentCoreLocator: type: object properties: qualifier: type: string runtime_arn: type: string github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2ACloudAuthRequest: type: object properties: aws: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2AAWSAuthRequest azure: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.AzureAuthRequest gcp: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2AGCPAuthRequest github_com_NeuralTrust_TrustGate_pkg_domain_registry.VertexLocator: type: object properties: location: type: string project: type: string reasoning_engine_id: type: string github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2AAWSAuthRequest: type: object properties: access_key_id: type: string external_id: type: string region: type: string role: type: string secret_access_key: description: '#nosec G117' type: string session_token: description: '#nosec G117' type: string use_role: type: boolean github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.AzureAuthRequest: type: object properties: api_key: description: '#nosec G117' type: string client_id: type: string client_secret: description: '#nosec G117' type: string endpoint: type: string tenant_id: type: string use_managed_identity: type: boolean version: type: string github_com_NeuralTrust_TrustGate_pkg_api_handler_http_registry_request.A2AGCPAuthRequest: type: object properties: impersonate_service_account: type: string service_account_json: type: string securitySchemes: BearerAuth: type: apiKey name: Authorization in: header ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.