> ## Documentation Index > Fetch the complete documentation index at: https://platform.tatango.com/llms.txt > Use this file to discover all available pages before exploring further. # Send an RCS Rich Card > This endpoint allows you to send an RCS Rich Card message with media to a U.S. phone number. If delivery fails, a fallback SMS message will be sent. RCS Rich Cards provide interactive messaging experiences with media, text, and action buttons. **RCS Rich Card Features:** * **Media Support:** Images and videos with thumbnails * **Rich Text:** Rich text features: Bold, italic, underline, strikethrough and emojis * **Fallback:** Automatic SMS fallback if RCS delivery fails **Requirements:** Valid U.S. phone number with RCS support ## OpenAPI ````yaml POST /transactional_messages/send_rcs_rich_card openapi: 3.1.0 info: title: Tatango API description: Tatango API for messaging services including WhatsApp, SMS, and MMS version: 1.0.0 servers: - url: https://api.v3.tatango.com security: - apiKeyAuth: [] paths: /transactional_messages/send_rcs_rich_card: post: tags: - Messaging summary: Send an RCS Rich Card description: >- This endpoint allows you to send an RCS Rich Card message with media to a U.S. phone number. If delivery fails, a fallback SMS message will be sent. requestBody: description: The RCS Rich Card message request with SMS fallback. content: application/json: schema: $ref: '#/components/schemas/SendRcsRichCardRequest' example: phoneNumber: '5551234567' webhookUrl: https://mywebhook.com/recieve rcsPayload: richCard: body: title: Summer Sale! text: Save up to 50% on all summer items. Limited time offer! url: https://example.com/images/summer-sale.mp4 thumbnailUrl: https://example.com/images/summer-sale.jpg isVideo: true smsFailover: Check out our latest offers! https://example.com/summer-sale required: true responses: '202': description: RCS Rich Card message accepted. content: application/json: schema: allOf: - $ref: '#/components/schemas/TransactionResponse' example: message: RCS rich card message sent successfully transactionId: 019687e1-1b54-70f4-a68a-60af7fa776f4 '400': description: Validation error content: application/json: schema: $ref: '#/components/schemas/ValidationError' example: $ref: '#/components/examples/PhoneNumberValidationError/value' components: schemas: SendRcsRichCardRequest: type: object required: - phoneNumber - rcsPayload - smsFailover - webhookUrl properties: phoneNumber: $ref: '#/components/schemas/PhoneNumber' webhookUrl: $ref: '#/components/schemas/WebhookUrl' rcsPayload: type: object required: - richCard properties: richCard: $ref: '#/components/schemas/RcsCard' smsFailover: $ref: '#/components/schemas/SMSFailover' TransactionResponse: required: - message - transactionId type: object properties: message: description: Success message indicating the request was accepted. type: string transactionId: description: Unique transaction identifier for tracking the message. type: string ValidationError: required: - error - errors type: object properties: error: type: string example: Invalid request payload errors: type: array items: type: object properties: code: type: string description: Zod error code example: invalid_string message: type: string description: Human-readable error message example: Not a valid U.S. or Canadian phone number path: type: array items: oneOf: - type: string - type: number description: Path to the field that caused the error example: - phoneNumber validation: type: string description: Validation type that failed example: regex minimum: type: number description: Minimum value for numeric validations maximum: type: number description: Maximum value for numeric validations type: type: string description: Expected data type inclusive: type: boolean description: Whether the boundary is inclusive exact: type: boolean description: Whether the validation requires exact match required: - code - message - path PhoneNumber: description: >- The destination phone number. Can be provided in any format (e.g., +1 555-123-4567, (555) 123-4567, 5551234567) but must be a valid U.S. or Canadian phone number. type: string WebhookUrl: description: URL where webhooks will be sent. Must be a valid HTTPS URL. type: string maxLength: 255 RcsCard: type: object required: - body properties: body: $ref: '#/components/schemas/RcsCardBody' SMSFailover: description: >- SMS fallback message content used when primary delivery method fails. Must contain only GSM 7-bit characters. type: string minLength: 1 maxLength: 160 RcsCardBody: type: object required: - title - text - url - isVideo properties: title: type: string minLength: 1 maxLength: 200 description: >- Title of the card, displayed as bolded text. Shown below the media content and above the text. example: Summer Sale! text: type: string minLength: 1 maxLength: 2000 description: >- Description of the card, displayed as regular text and shown below the title. example: Save up to 50% on all summer items. Limited time offer! url: type: string format: uri maxLength: 255 pattern: ^https:// description: >- HTTPS URL to the media content to be displayed in the card. Supported formats: Images (image/jpeg, image/jpg, image/gif, image/png) and Videos (video/h263, video/m4v, video/mp4, video/mpeg, video/mpeg4, video/webm). example: https://example.com/images/summer-sale.jpg thumbnailUrl: type: string format: uri maxLength: 255 pattern: ^https:// description: >- HTTPS URL to thumbnail image to be displayed in the card before the video plays (optional). Supported formats are: Images (image/jpeg, image/jpg, image/gif, image/png). example: https://example.com/images/video-thumbnail.jpg isVideo: type: boolean description: >- Whether the media content in `rcsPayload.richCard.body.url` is a video or not. example: true securitySchemes: apiKeyAuth: type: apiKey in: header name: x-api-key description: >- Your Tatango API key. This is required for all requests to the API. You can find your API key in the Tatango App under My Account -> API -> Create API Key. ````