> ## Documentation Index > Fetch the complete documentation index at: https://docs.highailabs.com/llms.txt > Use this file to discover all available pages before exploring further. # Send a message to Professor High AI assistant ## OpenAPI ````yaml /api-reference/openapi.json post /api/v1/chat openapi: 3.1.0 info: title: High IQ API description: Cannabis intelligence API powering the High IQ mobile app and TIWIH website version: 1.0.0 servers: - url: https://api.thisiswhyimhigh.com description: Production - url: http://localhost:3001 description: Local Development security: [] tags: - name: Strains description: Strain database search, filtering, and retrieval - name: Scanner description: Cannabis label scanning with AI vision - name: Receipts description: Receipt parsing with AI - name: Notebooks description: AI-generated notebook streaming (SSE) - name: Discover description: High Families and curated highlight lists - name: Blog description: Blog article listing and retrieval - name: Research description: Research articles and menu extraction - name: Research Papers description: Cannabis research paper database - name: Deep Research description: AI-powered deep cannabis research - name: Meta description: System metadata and freshness signals - name: Chat description: Professor High AI cannabis assistant - name: Dispensaries description: Dispensary metadata such as crowdsourced email domains - name: Hero Images description: AI hero image generation and management for landing/content pages - name: Mascot description: Professor High mascot image generation and status (admin) - name: Shopping description: Dispensary shopping menus, scans, and strain matching - name: Social description: Social content drafts and stats for Professor High channels - name: App Landing description: High IQ app landing page content and configuration paths: /api/v1/chat: post: tags: - Chat summary: Send a message to Professor High AI assistant operationId: postApiV1Chat requestBody: required: true content: application/json: schema: type: object properties: messages: minItems: 1 maxItems: 200 type: array items: type: object properties: id: type: string maxLength: 256 role: type: string enum: - user - assistant parts: maxItems: 64 type: array items: anyOf: - type: object properties: type: type: string const: text text: type: string state: type: string enum: - streaming - done providerMetadata: {} required: - type - text additionalProperties: false - type: object properties: type: type: string const: reasoning text: type: string state: type: string enum: - streaming - done providerMetadata: {} required: - type - text additionalProperties: false - type: object properties: type: type: string const: file mediaType: type: string enum: - image/jpeg - image/png - image/webp filename: type: string maxLength: 255 url: type: string maxLength: 9437184 providerReference: type: object propertyNames: type: string maxLength: 64 additionalProperties: type: string minLength: 1 maxLength: 2048 providerMetadata: {} tiwihAttachmentOmitted: type: boolean required: - type - mediaType - url additionalProperties: false - type: object properties: type: type: string const: source-url sourceId: type: string maxLength: 256 url: type: string maxLength: 4096 format: uri title: type: string maxLength: 512 providerMetadata: {} required: - type - sourceId - url additionalProperties: false - type: object properties: type: type: string const: source-document sourceId: type: string maxLength: 256 mediaType: type: string minLength: 1 maxLength: 128 title: type: string minLength: 1 maxLength: 512 filename: type: string maxLength: 255 providerMetadata: {} required: - type - sourceId - mediaType - title additionalProperties: false - type: object properties: type: type: string const: step-start required: - type additionalProperties: false - type: object properties: type: type: string pattern: ^tool-[A-Za-z][A-Za-z0-9_-]{0,63}$ toolCallId: type: string maxLength: 256 title: type: string maxLength: 256 toolMetadata: {} providerExecuted: type: boolean state: type: string enum: - input-streaming - input-available - approval-requested - approval-responded - output-available - output-error - output-denied input: {} rawInput: {} output: {} errorText: type: string maxLength: 16384 callProviderMetadata: {} resultProviderMetadata: {} preliminary: type: boolean approval: type: object properties: id: type: string maxLength: 256 approved: type: boolean reason: type: string maxLength: 2048 isAutomatic: type: boolean signature: type: string maxLength: 4096 required: - id additionalProperties: false required: - type - toolCallId - state additionalProperties: false - type: object properties: type: type: string const: dynamic-tool toolCallId: type: string maxLength: 256 title: type: string maxLength: 256 toolMetadata: {} providerExecuted: type: boolean state: type: string enum: - input-streaming - input-available - approval-requested - approval-responded - output-available - output-error - output-denied input: {} rawInput: {} output: {} errorText: type: string maxLength: 16384 callProviderMetadata: {} resultProviderMetadata: {} preliminary: type: boolean approval: type: object properties: id: type: string maxLength: 256 approved: type: boolean reason: type: string maxLength: 2048 isAutomatic: type: boolean signature: type: string maxLength: 4096 required: - id additionalProperties: false toolName: type: string minLength: 1 maxLength: 64 pattern: ^[A-Za-z][A-Za-z0-9_-]*$ required: - type - toolCallId - state - toolName additionalProperties: false content: type: string required: - role additionalProperties: false userId: type: string minLength: 1 maxLength: 256 required: - messages - userId additionalProperties: false responses: '200': description: AI SDK streaming chat response (UI Message Stream v1) content: application/json: schema: type: object properties: success: type: boolean const: true data: {} meta: type: object properties: pagination: type: object properties: limit: type: integer minimum: -9007199254740991 maximum: 9007199254740991 offset: type: integer minimum: -9007199254740991 maximum: 9007199254740991 total: type: integer minimum: -9007199254740991 maximum: 9007199254740991 hasMore: type: boolean required: - limit - offset - total timestamp: 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))$ requestId: type: string additionalProperties: {} required: - success - data '400': description: Bad request or validation error content: application/json: schema: type: object properties: success: type: boolean const: false error: type: object properties: code: type: string message: type: string details: {} stack: type: string required: - code - message meta: type: object properties: timestamp: 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))$ requestId: type: string path: type: string method: type: string required: - success - error '402': description: Pro subscription required '500': description: Internal server error content: application/json: schema: type: object properties: success: type: boolean const: false error: type: object properties: code: type: string message: type: string details: {} stack: type: string required: - code - message meta: type: object properties: timestamp: 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))$ requestId: type: string path: type: string method: type: string required: - success - error '503': description: AI features are disabled ````