WhatsApp Business API providers price in confusing ways: per-conversation markup, per-user seats, per-tier features, and Meta pass-through fees on top. Here\'s the actual cost of the cheapest providers, cutting through the marketing fog.

How WhatsApp Business API pricing actually works

Every message you send costs at three levels:

Meta charge — $0.005-$0.15 per conversation depending on country + type (service vs marketing).
BSP markup — some providers add $0.005-$0.015 per conversation.
BSP subscription — monthly base fee.

The cheapest provider is the one that minimizes all three at your specific volume.

Ranked by real cost (small business scenario)

Scenario: 3-user small business, 1,000 WhatsApp conversations/month, mostly service conversations.

1. OT1-Pro — cheapest at $0-$25/month base + Meta pass-through

Free tier includes WhatsApp Cloud API.
No per-conversation markup.
Meta charges pass through directly.
Estimated total: $15-$40/month at this scenario.

2. AiSensy — $16/month + Meta pass-through

Broadcast-focused pricing.
Small per-conversation markup on higher tiers.
Estimated total: $25-$50/month.

3. Twilio — usage-based, ~$5-$50/month at this scenario

Pay only for messages sent.
Cheapest at very low volume, expensive at high volume.
Estimated total: $5-$50/month.

4. Zoko — $34.99/month base + Meta fees

Fixed monthly + Meta pass-through.
Deep Shopify integration.
Estimated total: $40-$65/month.

5. Interakt — $30/month + Meta fees

Fixed monthly.
Good for India e-commerce.
Estimated total: $35-$60/month.

6. WATI — $49/month + Meta fees + user costs

Fixed monthly + per-user beyond first.
Strong for WhatsApp-only workflows.
Estimated total: $55-$80/month.

7. 360dialog — $49-$99/month + Meta fees

Direct BSP relationship.
Good enterprise reliability.
Estimated total: $60-$110/month.

8. Respond.io — $79/month + per-conversation markup + Meta fees

Multichannel included.
Per-conversation markup adds up fast.
Estimated total: $100-$150/month at this scenario.

The hidden costs everyone forgets

Conversation-type fees — Meta charges more for marketing conversations than service conversations.
Country pricing — Egypt vs Saudi vs UAE vs India vs Brazil have different Meta rates.
Template approval — some BSPs charge for template creation/approval.
Support tier — dedicated support often costs extra.
Additional users — many BSPs charge per-user beyond first.

Which is truly cheapest at scale?

Volume	Cheapest provider
< 1,000 conv/mo	OT1-Pro Free Tier or Twilio
1,000-5,000 conv/mo	OT1-Pro or AiSensy
5,000-25,000 conv/mo	OT1-Pro or Interakt
25,000+ conv/mo	360dialog or negotiated OT1-Pro Enterprise

Free tier reality check

Only OT1-Pro and Twilio offer WhatsApp Cloud API without a paid subscription. Everyone else requires a paid plan to even connect WhatsApp.

Frequently asked questions

Are Meta fees always the same across BSPs?

Meta charges the same base rate regardless of BSP. BSPs may add markup.

What\'s the truly cheapest way to send WhatsApp Business messages?

Meta\'s own WhatsApp Business API direct via Facebook Business Manager, but you need engineering resources to build the integration. Most teams pay a BSP\'s modest fee instead.

Should I choose based on price alone?

No. AI quality, ease of use, and support responsiveness matter more than $20/month savings. Trial the top 2-3 candidates.

Try OT1-Pro Free — Built for the Way Customers Actually Message You

WhatsApp + Instagram + Facebook Messenger + Telegram + email in one AI-driven inbox. Native Egyptian Arabic AI. Per-seat pricing. Setup takes 10 minutes.

Start free → · Pricing · vs ManyChat · vs Respond.io

Cheapest WhatsApp Business API Providers in 2026 (Real Pricing)