API Reference

Send Session Message

post
https://www.fast2sms.com/dev/whatsapp///messages

Sends a session message within 24 hours of the user's reply. Note: Select the specific message type from the dropdown list in the request body.

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Path Params
string
required
Defaults to v24.0

API Version (e.g., v24.0)

string
required

Phone Number ID

Body Params
string
required
Defaults to whatsapp
string
enum
required
Defaults to individual
Allowed:
string
required

Recipient Phone Number (E.164)

string
enum
required
Defaults to text
Allowed:
text
object
Headers
string
required
Defaults to YOUR_API_KEY

Provide your Access Token. Format: YOUR_API_KEY

Response

Updated 7 months ago

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Response
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application/json

Updated 7 months ago

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