> ## Documentation Index > Fetch the complete documentation index at: https://docs.semicola.com/llms.txt > Use this file to discover all available pages before exploring further. # Conversation feed after a sequence number (SSE fallback) ## OpenAPI ````yaml /openapi/v3.yaml get /api/v2/assistant/conversations/{uid}/events openapi: 3.1.0 info: title: Semicola Exchange API version: 3.0.0-preview description: >- Platform endpoints of Semicola: sign-in and accounts, members and keys, billing, notifications, the Semi assistant (chat stream, confirmations, conversations), the MCP App widget host and realtime feeds. Typed agent tools live on the MCP server at /mcp/v3. servers: - url: https://api.semicola.com security: - bearerAuth: [] - sessionCookie: [] tags: - name: Auth - name: Accounts - name: Billing - name: Notifications - name: Assistant - name: Widget host - name: Realtime - name: Demo paths: /api/v2/assistant/conversations/{uid}/events: get: tags: - Assistant summary: Conversation feed after a sequence number (SSE fallback) operationId: getAssistantConversationsByUidEvents parameters: - name: uid in: path required: true schema: type: string minLength: 6 - name: after in: query required: false schema: type: integer minimum: 0 maximum: 9007199254740991 - name: Last-Event-ID in: header required: false schema: type: string description: Resume after this event sequence id. responses: '200': description: OK content: text/event-stream: schema: type: string description: Server-sent events; each `data:` line carries one frame below. x-event-schema: oneOf: - type: object properties: event: type: string const: ready id: type: string data: type: object properties: transport: type: string enum: - electric - fallback conversationUid: type: string minLength: 6 after: type: integer minimum: 0 maximum: 9007199254740991 required: - transport additionalProperties: false required: - event - data additionalProperties: false - type: object properties: event: type: string const: transport.changed id: type: string data: type: object properties: transport: type: string enum: - electric - fallback required: - transport additionalProperties: false required: - event - data additionalProperties: false - type: object properties: event: type: string const: message.created id: type: string data: type: object properties: message: type: object properties: id: type: string minLength: 5 conversationId: type: string minLength: 6 role: type: string enum: - user - assistant - tool - event audience: type: string enum: - assistant - room authorUserId: anyOf: - type: integer exclusiveMinimum: 0 maximum: 9007199254740991 - type: 'null' content: type: array items: anyOf: - type: object properties: type: type: string const: text text: type: string required: - type - text additionalProperties: false - type: object properties: type: type: string const: tool_use id: type: string name: type: string input: {} required: - type - id - name - input additionalProperties: false - type: object properties: type: type: string const: tool_result toolUseId: type: string content: {} isError: type: boolean required: - type - toolUseId - content - isError additionalProperties: false - type: object properties: type: type: string const: mcp_app_widget widget: type: object properties: kind: type: string enum: - page - task - glance resourceUri: type: string pattern: >- ^ui:\/\/semicola\/[a-z0-9-]+\/mcp-app\.html$ title: type: string description: type: string data: {} suppressUserMessage: type: boolean required: - kind - resourceUri - title - description - data - suppressUserMessage additionalProperties: false required: - type - widget additionalProperties: false - type: object properties: type: type: string const: attachments items: type: array items: type: object properties: attachmentId: type: string minLength: 5 filename: type: string mimeType: type: string required: - filename - mimeType additionalProperties: false required: - type - items additionalProperties: false - type: object properties: type: type: string required: - type additionalProperties: {} turnId: anyOf: - type: string minLength: 5 - type: 'null' createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ required: - id - conversationId - role - audience - authorUserId - content - turnId - createdAt additionalProperties: false seq: type: integer minimum: 0 maximum: 9007199254740991 required: - message additionalProperties: false required: - event - data additionalProperties: false - type: object properties: event: type: string const: presence.changed id: type: string data: type: object properties: conversationUid: type: string minLength: 6 participants: type: array items: type: object properties: conversationId: type: string minLength: 6 customerId: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 userId: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 lastSeenAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ typing: type: boolean required: - conversationId - customerId - userId - lastSeenAt - typing additionalProperties: false required: - conversationUid - participants additionalProperties: false required: - event - data additionalProperties: false default: description: >- Error envelope `{data: null, error: {code, message, field?, details?}}`. components: securitySchemes: bearerAuth: type: http scheme: bearer description: API key or OAuth access token. sessionCookie: type: apiKey in: cookie name: sc_session ````