REST API v1

Base URL: https://wa.go.as2techs.com/api/v1. Create a token in the dashboard under Setup → API and send it as Authorization: Bearer <token>. Limit: 60 requests per minute per account.

Send a message

POST /api/v1/messages

Field	Notes
channel_id	Number id from the API page.
to	Phone in any format; Pakistani numbers like 0300… are converted to +92….
type	template, text, image, document, audio, video.
template, language, params	For templates. params is a list for {{1}}, {{2}}… or {"body": [...], "header": {"link": "https://…"}, "buttons": {"0": "suffix"}}.
text	For text (only inside the 24-hour window on Official numbers).
media_url, caption, filename	For media messages.

curl -X POST https://wa.go.as2techs.com/api/v1/messages \
  -H "Authorization: Bearer $TOKEN" -H "Content-Type: application/json" \
  -d '{"channel_id":"…","to":"+923001234567","type":"template",
       "template":"order_confirmation","language":"en","params":["Ali","#10452","Rs. 4,500"]}'

Response 202: {"id":"…","status":"queued", …}. Errors: 422 invalid phone, unknown template, no opt-in, window closed; 429 plan limit or rate limit.

The recipient must have opted in (create them with opt_in: true) or have written to you in the last 24 hours.

Message status

GET /api/v1/messages/{id} → queued, sent, delivered, read or failed with error_code and error_message.

Templates

GET /api/v1/templates lists approved templates with their variables.

Contacts

POST /api/v1/contacts creates or updates a contact by phone.

{"phone":"03001234567","name":"Ali Khan","tags":["vip"],"custom_fields":{"city":"Karachi"},
 "opt_in":true,"opt_in_source":"checkout"}

ERP webhooks

Shopify, WooCommerce, Odoo and custom systems use a per-integration URL and secret — see Setup → ERP integrations → Setup guide.