Choosing a WhatsApp API in 2026: 10 options, real prices, and when to use each
Danish JavedSearch for "WhatsApp API" and you get two different kinds of product in one list. They work...
Search for "WhatsApp API" and you get two different kinds of product in one list. They work differently, they cost differently, and they carry different risks. Most "best of" lists mix them up.
The short version
- Need templates, marketing to opted-in lists, or Meta's backing? Use Meta's Cloud API, directly or through Twilio or 360dialog.
- Want to use a number you already have, at a flat monthly price? A linked-device API does that. It needs no Meta approval, but it is not an official integration.
- Want to run it all yourself? Evolution API is open source. You pay with your own servers and time.
Two kinds of WhatsApp API
| Official (Meta Cloud API) | Linked device | |
|---|---|---|
| How it connects | A WhatsApp Business account, set up through Meta | Pairs a normal WhatsApp account, the way WhatsApp Web does |
| Approval | Meta onboarding and business verification | None |
| How you pay | Per delivered message, by country and message type | A flat monthly fee per number |
| Message templates | Required to message someone first, or after 24 hours | Not used |
| Risk | Supported by Meta | Not official. WhatsApp can restrict a number that looks abusive |
Skipping Meta's approval is the reason linked-device APIs exist. What you give up is the official status: WhatsApp can restrict a number it thinks is abusive.
The official options
Checked on 16 October 2026, from each provider's pricing page.
| Provider | What it charges | Meta's message fees | Who it fits |
|---|---|---|---|
| Meta Cloud API | No platform fee | Per delivered message, by the customer's country and the message category. The first 1,000 service messages a month for each number are free | Teams that can handle Meta's onboarding themselves |
| Twilio | $0.005 per message, sent or received | Passed through, on top of Twilio's fee | Teams already on Twilio for SMS or voice |
| 360dialog | From €49 a number a month (€99 Premium, €500 Scale) | Added on top. 360dialog says it adds no markup | Teams that want a flat fee per number on the official platform |
What you actually pay on the official route depends on where your customers are and what kind of message you send. Meta's pricing page has the per-country rates.
The linked-device options
These figures come from each vendor's pricing page, checked on 16 October 2026. Prices change, so check the page before you choose.
| API | 1 number | 5 numbers | Free tier | AI replies |
|---|---|---|---|---|
| WasenderAPI | $6 / month | $30 / month (Plus, 6 numbers) | None, 3-day trial | Not listed |
| Green-API | $12 / month | $60 / month | 3 chats | You supply the model |
| ChatRail | $15 / month | $79 / month (Team) | 1 number, 500 messages a month, no expiry | 10,000 a month included on Core + AI ($29) |
| Maytapi | $24 / month (billed yearly) | $120 / month | 5 conversations a month | Not listed |
| Whapi.Cloud | $35 / month ($29 billed yearly) | $175 / month | 5 conversations a month, 150 messages a day | Not included (bot integrations listed) |
| UltraMsg | $39 / month | $195 / month | None, 3-day trial | Not listed |
| Evolution API | Free to license | Your servers | Self-hosted | You bring the keys |
Which one I'd pick
| If you... | Use | Why |
|---|---|---|
| Send marketing to opted-in lists, or need templates | Meta Cloud API, directly or through Twilio or 360dialog | It's the official platform. Nothing else is built for large opted-in marketing |
| Already use Twilio for SMS or voice | Twilio | One account and one bill |
| Want the official platform at a flat fee per number | 360dialog | From €49 a number a month, plus Meta's fees |
| Want the cheapest hosted connection to your own number | WasenderAPI | $6 a month. You build limits, retries and AI yourself |
| Want to run it on your own servers | Evolution API | Open source. You run Node, Postgres and Redis |
| Need WhatsApp Channels or a number-warming tool | Whapi.Cloud | Mature and feature-rich |
| Want a free tier and SDKs in many languages | Green-API | From $12 a number. Free tier is 3 chats |
| Want your number protected, with AI replies built in | ChatRail | From $15 a month. 10,000 AI replies a month on Core + AI |
What the pricing pages don't tell you
"Unlimited messages" is about the vendor, not WhatsApp. Several linked-device APIs say there's no message cap. WhatsApp still restricts numbers that get reported. The fastest way to get reported is a bug that messages one customer over and over. In ChatRail, I stop the 11th message to the same person within five minutes and return an error saying why. Whatever you use, put a limit like that somewhere.
Self-hosting is free to license, not free to run. Evolution API is good software. But linked-device libraries break when WhatsApp changes its web protocol, and your messages stop until you upgrade. If you self-host, that's your job, at whatever hour it happens.
Official isn't the same as cheap or expensive. With Meta's Cloud API there's no platform fee, but every marketing message costs money, and the rate depends on the country. For a support inbox that mostly answers customers, it can cost very little. For a shop sending order updates to thousands of people, compare it with a flat monthly fee.
Bans come from behaviour. An unofficial API doesn't get a number banned by itself. Unwanted bulk messages and reports do. Messaging people who expect to hear from you lowers the risk. Nothing removes it.
What I didn't check
I compared public pricing and feature pages. I didn't run every API against the same workload, and I can't speak to each vendor's uptime or support. Where a page leaves something out, the tables say "not listed" instead of guessing.
The full table, with media, groups, webhooks, MCP and no-code tools for every linked-device API, is on chatrail.dev/compare.
If you've used any of these in production, I'd like to hear what the pricing page didn't tell you.