WhatChimp API ke through 24-Hour Text Messages bhejein

WhatChimp API use karke WhatsApp 24-hour session window ke andar text messages kaise bhejein.

Updated 5 February 2026

WhatsApp businesses ko customers ko free-text replies bhejne deta hai — lekin sirf customer ke last message ke 24 hours ke andar. Ise session message ya 24-hour window message kehte hain. Yeh guide aapko dikhati hai ki WhatChimp API ke through text messages kaise bhejein aur exactly 24-hour rule kaise kaam karta hai.

Shuru karne se pehle: Ye ensure karein ki aapke paas apni API key aur phone number ID hai. Setup instructions ke liye WhatChimp Developer API ke saath shuru karein dekhein.

24-Hour Session Window Kya Hai?

Jab ek customer aapko WhatsApp par message bhejta hai, to ek 24-hour session khulta hai. Is window ke dauran, aap koi bhi text message bhej sakte hain jo aap chahein — template ki zaroorat nahi, approval ki zaroorat nahi.

Ek baar 24-hour window band ho jaye (customer ne aapko 24 hours se zyada time se message nahi bheja hai), aap text messages nahi bhej sakte ab. API ek error return karega.

Key points:

  • 24-hour clock har baar reset hota hai jab customer aapko message bhejta hai
  • Sirf customer ek session khol sakta hai — aap khud ek nahi khol sakte
  • Session ke andar text messages ek customer-initiated conversation ka hissa hain (lower cost tier)
  • 24-hour window ke bahar, aapko ek template message use karna hoga

API console Send Message endpoint aur text vs template message explanation dikha raha hai

Text Messages Kab Use Karein

Text messages sahi choice hain jab:

  • Ek customer ne aapko last 24 hours mein message bheja hai aur aap unhe reply kar rahe hain
  • Aap ek chatbot bana rahe hain jo incoming messages ka response deta hai
  • Aap customer inquiries ke live chat replies handle kar rahe hain
  • Aap ek quick follow-up bhej rahe hain jab conversation abhi bhi active hai

Text messages use NA karein:

  • Notifications, reminders, ya order updates bhejne ke liye — ek template message use karein
  • Un customers tak pahunchne ke liye jinhone aapko recently message nahi bheja
  • Promotional messages Broadcasting karne ke liye
  • OTP ya verification codes bhejne ke liye

API Endpoint

Endpoint: GET/POST /api/v1/whatsapp/send

Full URL: https://app.whatchimp.com/api/v1/whatsapp/send

Parameters:

ParameterTypeRequiredDescription
apiTokenStringHaanAapki WhatChimp API key
phone_number_idStringHaanAapki WhatsApp phone number ID
messageStringHaanText message content (GET requests ke liye URL-encode karein)
phone_numberStringHaanRecipient ka phone number country code ke saath, sirf numeric (jaise, 919999999999)

Text Message Bhejna

GET Request:

https://app.whatchimp.com/api/v1/whatsapp/send?apiToken=API-KEY&phone_number_id=PHONE-NUMBER-ID&message=Hello%2C+contact+karne+ke+liye+dhanyavaad!&phone_number=919999999999

POST Request (curl):

curl -X POST \
  'https://app.whatchimp.com/api/v1/whatsapp/send' \
  -d 'apiToken=API-KEY' \
  -d 'phone_number_id=PHONE-NUMBER-ID' \
  -d 'message=Hello, contact karne ke liye dhanyavaad!' \
  -d 'phone_number=919999999999'

Success Response:

{
  "status": "1",
  "wa_message_id": "wamid.HBgNODgwMTcyMzMwOTAwMxUCABEYEjlGQkY3MEFEMEVGODhCNDkxNQA=",
  "message": "Message sent successfully."
}

Error Responses

24-hour window expired:

Agar aap session window ke bahar text message bhejne ki koshish karte hain, to API ek error return karega. Jab aisa hota hai, to ek template message par switch karein.

Subscriber limit exceeded:

{"status": "0", "message": "Subscriber limit has been exceeded. You cannot have more subscribers."}

Iska matlab hai ki aapke WhatChimp plan ki subscriber limit reach ho gayi hai. Apne plan ko upgrade karein ya inactive subscribers remove karein.

Tips

  • Apne message ko URL-encode karein jab GET requests use kar rahe hain. Spaces %20 ya + ban jaate hain, special characters ko encoding ki zaroorat hoti hai.
  • wa_message_id ko save karein success response se — aap ise baad mein delivery status track karne ke liye use kar sakte hain.
  • Agar aapka message fail hota hai, check karein ki kya 24-hour window abhi bhi open hai. Agar nahi, to template message use karein.
  • Automated replies ke liye (chatbots), text messages perfectly kaam karte hain kyunki customer conversation initiate karta hai.

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