Getting started

Conversation validity

Find out whether the 24-hour reply window is open for a contact.

WhatsApp only allows free-form messages within 24 hours of the contact's last message. Use this call to decide between a normal message and a template.

GET/conversation-validity

Parameters

`LicenseNumber`stringrequired	Your license number, shown on the Developer API page.
`APIKey`stringrequired	Your API key, shown on the Developer API page.
`Contact`stringrequired	Phone number with country code, digits only (for example `919876543210`).
`Name`string	Contact name, used if the contact is created.

Example request

curl -G "https://console.tendigit.in/api/v1/ext/conversation-validity" \
  --data-urlencode "LicenseNumber=YOUR_LICENSE" \
  --data-urlencode "APIKey=YOUR_API_KEY" \
  --data-urlencode "Contact=919876543210"

Response

json

{
  "success": true,
  "contact": "919876543210",
  "sessionStatus": "ACTIVE",
  "valid": true,
  "lastInboundAt": "2026-11-03T09:12:44.000Z",
  "conversationId": "cmt8z1abc0002xyz"
}

Open or closed

valid: true (sessionStatus: ACTIVE) means you can send any message type. false (EXPIRED) means only an approved template will go through.