Copy this instruction and paste it into your AI agent:
Install this skill: https://customermates.com/en/skills/raw/orthogonal-send-text-message.mdSend Text Message
Send SMS messages via the Textbelt API on Orthogonal.
Workflow
Step 1: Gather Info
Ask the user for:
- Phone number (required) - US/Canada: 10-digit with area code. International: E.164 format (e.g., +44...)
- Message (required) - Max 800 characters. No URLs allowed.
Step 2: Send the Message
orth run textbelt /text --body '{
"phone": "<phone_number>",
"message": "<message_text>"
}'Step 3: Confirm Delivery
The response includes a textId. Use it to check delivery status:
orth run textbelt /status/{textId}This endpoint is free.
Response
Send Response (/text)
- success (boolean) -
trueif message was queued - textId (string) - Message ID for delivery tracking (only on success)
- quotaRemaining (integer) - Remaining SMS credits
- error (string) - Error message (only on failure)
Status Response (/status/{textId})
- status (string) -
DELIVERED,SENDING,FAILED, orUNKNOWN
Constraints
- Max 800 characters per message
- No URLs in message text
- Sender name is optional and not visible to the recipient in most countries
Optional Parameters
When sending, you can also include:
sender(string) - Business/org name for regulatory purposesreplyWebhookUrl(string) - US only: URL to receive reply webhookswebhookData(string) - Extra data passed to webhook (max 100 chars)
Error Handling
- success: false with
errorfield describes the issue (e.g., invalid phone number, insufficient credits) - US/Canada numbers only work from US/Canada IP region
- International numbers require E.164 format (e.g.,
+44...) - Messages containing URLs are rejected — use descriptions instead
- Max 800 characters — longer messages are rejected, not truncated