Cheapest WhatsApp API providers compared (real pricing breakdown)

Sticker prices lie. We model platform fees + WhatsApp message costs at real volumes across five countries.

Last verified May 2026

Quick verdict

At small-to-medium marketing volumes, $0/mo platform tools like Sendr dominate. At enterprise volumes, per-message negotiation matters more than subscriptions.

Every WhatsApp API provider page shows a monthly price — but that number excludes WhatsApp conversation charges, which Meta bills separately based on destination country and message category.

True cost = platform subscription + per-message platform markup (if any) + Meta WhatsApp conversation fees. This page models all three layers with worked examples.

We use Sendr's public calculator rates as illustrative Meta-cost estimates. Actual Meta pricing varies by BSP negotiation and changes periodically — treat numbers as directional, not contractual.

Methodology

For each provider we model: (1) published platform subscription (entry tier), (2) any additional per-message platform fee, (3) estimated Meta WhatsApp conversation charges using Sendr's calculator rates.

We compute total monthly cost at three volume tiers (500, 2,000, 5,000 messages) for five destination countries. Verify all provider pricing before purchasing.

Rankings

1

Sendr — cheapest at every modeled volume tier

Best for: Lowest total cost for marketing-focused senders

$0 platform fee, $0 per-message markup. You pay Meta conversation costs only. Prepaid wallet, funds don't expire, unused balance withdrawable. At 500 messages/month to India, your total is roughly $5.

2

AiSensy — competitive on sticker price, watch annual terms

Best for: Teams wanting campaign automation at moderate subscription cost

~$39/mo entry pricing looks lean among subscription tools. Many plans require annual commitments — compute 12-month locked cost at your expected volume before signing.

3

Gallabox — mid-tier subscription, strong ops features

Best for: Teams who need inbox features and accept the subscription tradeoff

~$40/mo typical starting price. The subscription buys team inbox and collaboration — useful if you need it, expensive overhead if you only send marketing blasts.

4

Interakt — commerce CRM at similar subscription band

Best for: Shopify stores where CRM context justifies the subscription

~$49/mo entry puts it alongside Wati. The Shopify integration is the differentiator — pure pricing comparison ignores what you get for the subscription.

5

Wati — reliable but subscription floor stings at low volume

Best for: Teams amortising subscription across heavy usage and support workloads

~$49/mo before you send anything. At 500 messages/month, platform subscription dominates total cost. At 10,000+ monthly the subscription amortises better.

6

Twilio — low message cost, high engineering cost

Best for: Developer teams with existing Twilio infrastructure

No fixed subscription, pay-per-message pricing. Looks cheap until you factor engineering hours for implementation, monitoring, and maintenance. Total cost of ownership includes developer salaries.

FeatureSendrAiSensyGallaboxInteraktWatiTwilio
Platform subscription$0/mo~$39/mo~$40/mo~$49/mo~$49/mo$0 (usage only)
Per-message platform markup$0VariesVariesVariesVariesVaries
Code required
Zero-send months cost $0

Pricing examples

  • A bakery in Mumbai sending 1,000 messages/month: Sendr ≈ $10 total (Meta costs) vs Wati ≈ $59 ($49 subscription + $10 Meta) vs AiSensy ≈ $49 ($39 subscription + $10 Meta).
  • A tutor in Lagos sending 500 messages/month: Sendr ≈ $10 vs Gallabox ≈ $50 — subscription-based tools cost 5× more when volumes are small.
  • A DTC brand in São Paulo sending 5,000 messages/month: Sendr ≈ $150 vs Interakt ≈ $199 — gap narrows at high volume because Meta costs dominate, but subscriptions still add up.
  • A salon in London sending 200 messages/month: Sendr ≈ $8 vs Wati ≈ $57 — at micro volumes, platform fees are 85% of cost on subscription tools.
  • An agency in Mexico City managing 3,000 messages/month: Sendr ≈ $60 vs AiSensy ≈ $99 — prepaid model wins on flexibility for agencies with variable client loads.

Frequently asked questions

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