> ## Documentation Index > Fetch the complete documentation index at: https://docs.maxcare.ai/llms.txt > Use this file to discover all available pages before exploring further. # One chart file's bytes > Read live from the EHR and streamed; never 202. 413 above 25 MB. 501 `capability_unsupported` when this EHR lacks the read. 429 with `Retry-After` when the app's share of the EHR login is used up. ## OpenAPI ````yaml /openapi-v4.json get /ehr/patients/{patientId}/documents/{ref}/content openapi: 3.0.0 info: title: Max AI Public API description: API for third-party marketplace apps version: '4.0' contact: {} servers: - url: https://api.maxcare.ai/v4 security: [] tags: [] paths: /ehr/patients/{patientId}/documents/{ref}/content: get: tags: - EHR live reads summary: One chart file's bytes description: >- Read live from the EHR and streamed; never 202. 413 above 25 MB. 501 `capability_unsupported` when this EHR lacks the read. 429 with `Retry-After` when the app's share of the EHR login is used up. operationId: EhrPublicController_documentContent parameters: - name: x-session-token in: header description: >- App Bridge session token. The user's own EHR login reads when they have one (`actingAs: user`). required: false schema: type: string - name: patientId required: true in: path schema: type: string - name: ref required: true in: path description: The file's `ref` from `/documents` schema: type: string - name: x-session-token required: true in: header schema: type: string - name: X-Organization-Id in: header required: true schema: type: string description: Target clinic organization ID responses: '200': description: Success '400': description: Missing or invalid request parameter content: application/json: schema: $ref: '#/components/schemas/PublicApiBadRequestResponse' '401': description: Invalid or missing API key content: application/json: schema: $ref: '#/components/schemas/PublicApiUnauthorizedResponse' '403': description: Insufficient scope content: application/json: schema: $ref: '#/components/schemas/PublicApiForbiddenResponse' '404': description: Resource not found content: application/json: schema: $ref: '#/components/schemas/PublicApiNotFoundResponse' '413': description: Request body or uploaded file too large content: application/json: schema: $ref: '#/components/schemas/PublicApiPayloadTooLargeResponse' '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/PublicApiRateLimitResponse' '501': description: >- This organization's EHR does not support the capability (`capability_unsupported`) content: application/json: schema: $ref: '#/components/schemas/PublicApiNotImplementedResponse' '502': description: EHR sync failed content: application/json: schema: $ref: '#/components/schemas/PublicApiBadGatewayResponse' security: - api-key: [] components: schemas: PublicApiBadRequestResponse: type: object properties: code: type: string description: Error code example: bad_request message: type: string description: Human-readable error message example: '''id'' must be a valid UUID' trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiUnauthorizedResponse: type: object properties: code: type: string description: Error code example: unauthorized message: type: string description: Human-readable error message example: Invalid or missing API key trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiForbiddenResponse: type: object properties: code: type: string description: Error code example: forbidden message: type: string description: Human-readable error message example: Insufficient scope trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiNotFoundResponse: type: object properties: code: type: string description: Error code example: not_found message: type: string description: Human-readable error message example: Resource not found trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiPayloadTooLargeResponse: type: object properties: code: type: string description: Error code example: payload_too_large message: type: string description: Human-readable error message example: File too large trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiRateLimitResponse: type: object properties: code: type: string description: Error code example: rate_limit_exceeded message: type: string description: Human-readable error message example: Rate limit exceeded. Maximum 1000 requests per 60 seconds. trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiNotImplementedResponse: type: object properties: code: type: string description: Error code example: capability_unsupported message: type: string description: Human-readable error message example: This organization's EHR has no appointment finder. trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id PublicApiBadGatewayResponse: type: object properties: code: type: string description: Error code example: unexpected_integration_error message: type: string description: Human-readable error message example: EHR sync failed trace_id: type: string description: Trace ID for debugging example: 550e8400-e29b-41d4-a716-446655440000 required: - code - message - trace_id securitySchemes: api-key: scheme: bearer bearerFormat: JWT type: http description: Marketplace API key ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.