> ## Documentation Index > Fetch the complete documentation index at: https://docs.trypost.it/llms.txt > Use this file to discover all available pages before exploring further. # List content types > Lists every network with its text limit, hashtag limit, alt text limit, required settings (`required_meta`), default content type, and the media rules of each content type: media counts and sizes, formats, aspect ratios, whether text is sent (`captionless`) and whether thread replies are accepted. Use it to build `platforms[].content_type` and `meta` for posts. Not paginated. ## OpenAPI ````yaml /openapi.json get /content-types openapi: 3.1.0 info: title: TryPost API version: 2.0.0 description: >- REST API for TryPost. Authenticate with a workspace API key as a Bearer token. servers: - url: https://app.trypost.it/api description: TryPost Cloud security: - bearerAuth: [] tags: - name: Posts description: Create, read, update, delete and preview posts. - name: Post notes description: Internal notes on a post, visible to workspace members. - name: Approvals description: Approve or reject posts waiting for approval. - name: Recurrence description: Make a post repeat on a schedule. - name: Media and uploads description: Upload files and attach media to posts. - name: Social accounts description: Connected social accounts and their network-specific options. - name: Channels description: A channel's posting schedule and queue. - name: Ideas description: Ideas on the Create board. - name: Idea stages description: The groups (columns) of the ideas board. - name: Analytics description: Workspace and channel insights. - name: Labels description: Labels to organize posts and ideas. - name: Signatures description: Reusable text to append to posts. - name: Workspace description: The workspace the API key belongs to. - name: API keys description: Personal API keys for this workspace. - name: Webhooks description: Outgoing webhooks and their delivery logs. - name: Repurposes description: Automations that republish videos posted outside TryPost. - name: Platform description: Platform capabilities and content types. paths: /content-types: get: tags: - Platform summary: List content types description: >- Lists every network with its text limit, hashtag limit, alt text limit, required settings (`required_meta`), default content type, and the media rules of each content type: media counts and sizes, formats, aspect ratios, whether text is sent (`captionless`) and whether thread replies are accepted. Use it to build `platforms[].content_type` and `meta` for posts. Not paginated. operationId: listContentTypes responses: '200': description: Every network. content: application/json: schema: type: object properties: platforms: type: array items: $ref: '#/components/schemas/PlatformContentTypes' example: platforms: - platform: x label: X max_content_length: 280 max_hashtags: null alt_text_max_length: 1000 required_meta: [] recommended_content_length: 220 allowed_media_types: - image - video default_content_type: x_post content_types: - value: x_post label: Post description: Tweet with text and media max_media_count: 4 min_media_count: 0 requires_media: false accept_images: true accept_videos: true accept_documents: false accepts_gif: true accepts_mov: true forbids_mixed_media: false max_video_duration_sec: 1200 max_image_bytes: 5242880 max_video_bytes: 1073741824 max_document_bytes: null aspect_ratio_min: null aspect_ratio_max: null video_aspect_ratio_min: null video_aspect_ratio_max: null auto_fits_image: false supports_alt_text: true supports_user_tags: false supports_video_cover: false image_min_width: null image_min_height: null image_max_width: null image_max_height: null captionless: false document_must_be_alone: false supports_thread_replies: true max_thread_replies: 24 '401': $ref: '#/components/responses/Unauthorized' '402': $ref: '#/components/responses/PaymentRequired' '403': $ref: '#/components/responses/Forbidden' '429': $ref: '#/components/responses/TooManyRequests' components: schemas: PlatformContentTypes: type: object properties: platform: $ref: '#/components/schemas/Platform' label: type: string max_content_length: type: integer description: >- Text limit of the network in characters (code points). An X account with long posts gets 25000: read `max_content_length` on the social account. max_hashtags: type: - integer - 'null' description: >- Most hashtags a post may carry (5 on Instagram), checked when the post is saved. `null` is no limit. alt_text_max_length: type: - integer - 'null' required_meta: type: array items: type: string description: >- `meta` keys needed to schedule or publish (TikTok `privacy_level`, Pinterest `board_id`, Discord `channel_id`). Settings that depend on others (a Google Business event) or that the text can stand in for (a YouTube title) are not listed. recommended_content_length: type: - integer - 'null' description: Suggested text length for the network. allowed_media_types: type: array items: type: string enum: - image - video - document default_content_type: $ref: '#/components/schemas/ContentType' content_types: type: array items: $ref: '#/components/schemas/ContentTypeListing' Platform: type: string enum: - linkedin - linkedin-page - x - tiktok - youtube - facebook - instagram - instagram-facebook - threads - pinterest - bluesky - mastodon - telegram - discord - google_business description: >- Network of a social account. `linkedin-page` is a LinkedIn company page, `instagram-facebook` an Instagram account connected through a Facebook Page. ContentType: type: string enum: - instagram_feed - instagram_reel - instagram_story - linkedin_post - linkedin_page_post - facebook_post - facebook_reel - facebook_story - tiktok_video - tiktok_photo - youtube_short - x_post - threads_post - threads_ghost_post - pinterest_pin - pinterest_video_pin - pinterest_carousel - bluesky_post - mastodon_post - telegram_post - discord_message - google_business_post description: >- Post format on one network. It must belong to the destination's network. `GET /content-types` lists the formats of each network with their media rules. Instagram and Facebook stories publish no text. ContentTypeListing: type: object description: Media and publishing rules of one content type. properties: value: $ref: '#/components/schemas/ContentType' label: type: string description: type: string max_media_count: type: integer min_media_count: type: integer requires_media: type: boolean accept_images: type: boolean accept_videos: type: boolean accept_documents: type: boolean accepts_gif: type: boolean accepts_mov: type: boolean forbids_mixed_media: type: boolean description: Images and videos cannot be mixed in one post. max_video_duration_sec: type: - integer - 'null' max_image_bytes: type: - integer - 'null' max_video_bytes: type: - integer - 'null' max_document_bytes: type: - integer - 'null' aspect_ratio_min: type: - number - 'null' description: Image width / height. aspect_ratio_max: type: - number - 'null' video_aspect_ratio_min: type: - number - 'null' video_aspect_ratio_max: type: - number - 'null' auto_fits_image: type: boolean description: Images outside the aspect ratio are fitted instead of refused. supports_alt_text: type: boolean supports_user_tags: type: boolean description: Instagram user tags (`media[].meta.user_tags`). supports_video_cover: type: boolean description: A video cover frame (`media[].meta.cover_offset_ms`). image_min_width: type: - integer - 'null' image_min_height: type: - integer - 'null' image_max_width: type: - integer - 'null' image_max_height: type: - integer - 'null' captionless: type: boolean description: >- No text is sent (Instagram and Facebook stories), so the text is not measured for length or hashtags. document_must_be_alone: type: boolean description: A document (PDF) must be the only media of the post. supports_thread_replies: type: boolean description: '`meta.thread_replies` is accepted (X, Bluesky, Mastodon).' max_thread_replies: type: - integer - 'null' ErrorBody: type: object properties: message: type: string RateLimitErrorBody: type: object properties: name: type: string const: rate_limit_exceeded message: type: string examples: - Rate limit exceeded. Please retry after 30 seconds. responses: Unauthorized: description: >- Missing, invalid, revoked or expired API key. Bodies: `Unauthenticated.` (no key, or a key that is invalid or revoked), `Token expired.` (past its `expires_at`), `Token not found.` and `No workspace selected.` (the key is no longer bound to a workspace). content: application/json: schema: $ref: '#/components/schemas/ErrorBody' example: message: Unauthenticated. PaymentRequired: description: >- TryPost Cloud only: the workspace's account has no active subscription or trial. Body: `{"message": "Active subscription required."}`. content: application/json: schema: $ref: '#/components/schemas/ErrorBody' example: message: Active subscription required. Forbidden: description: >- The request is not allowed. API keys work only for workspace admins (the account owner or a member marked as admin): otherwise every request returns `Insufficient workspace permissions.`. Other bodies: `Workspace access denied.` (the key's user left the workspace) and `Personal access token required.` (an MCP OAuth token was sent) and `This action is unauthorized.` (the note belongs to another member). content: application/json: schema: $ref: '#/components/schemas/ErrorBody' TooManyRequests: description: 'Rate limit exceeded. Limits: 60 requests per minute per workspace.' headers: Retry-After: description: Seconds to wait before retrying. schema: type: integer content: application/json: schema: $ref: '#/components/schemas/RateLimitErrorBody' securitySchemes: bearerAuth: type: http scheme: bearer description: Workspace API key from Settings → API Keys. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.