incomplete formula बिना ticket और margin। dialog cost, WABA vs gray, channels sale price से compare।
Conversation cost = Total campaign spend / Target conversations
base, infra, SIM, operator, WABA sessions, gray warm-up+bans - antispam।
response alone ≠ ROI - ticket+margin - A/B।
| message | per send | gray |
| conversation | 24h session | WABA - WABA, इनबाउंड |
| CPL | interested | both |
| CPA | sale | ROI |
10 msgs one session = 1 charge।
~$0.0663 business, $0.0398 user [] - country dependent।
number ₹25–65, 50–100 sends → ~₹0.4–1.2/msg paper। warm-up 10–14d = 40% number cost - बैन।
wholesale cold: 2000 sends ₹2900, 5%=100 dialogs, 2 sales margin ₹65000 → profit।
e-commerce WABA: bought 5000 list ₹33000 sessions, 0.5%, 0 sales, template blocked।
WABA vs gray SIM rotation cold - niche dependent।
WA free ≠ zero cost। API ≠ per message। cheap dialog ≠ success। CPL ≠ dialog cost।
full formula + compare paid traffic CPL।
नियम:
सस्ता dialog लक्ष्य नहीं - dialog सस्ता हो deal से।