Unofficial WhatsApp API comparison
ZapZap API vs WAHA: which WhatsApp API should you choose?
WAHA and ZapZap API are both unofficial WhatsApp APIs, with no Meta badge. WAHA is software you install on your own server with Docker and run yourself. ZapZap API is the managed model: instances run on our infrastructure, with a dashboard, AI and automations built in. The facts about WAHA below come from the project's official site and documentation, checked on 2026-10-26, and the last question on this page lists the sources. If you have a technical team and want full control, WAHA may be the better choice, and we say so plainly.
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Side by side
ZapZap vs WAHA
| Criterion | ZapZap | WAHA |
|---|---|---|
| Type of solution | Managed unofficial API: instances run on ZapZap's infrastructure | Unofficial, self-hosted HTTP API: you install and operate it (Docker) |
| Software license and price | Paid service: R$15 per active number/month, prepaid, no per-message fee | Free and open source according to the project's site; optional US$5/month support with nothing extra in return |
| Infrastructure and upkeep | Included: hosting, updates and monitoring | On you: server, version updates, backups and uptime |
| How it connects to WhatsApp | A WhatsApp Web session managed by us, paired by QR code | Community engines of your choice: WEBJS, NOWEB and GOWS, among others |
| AI, funnels and automations | AI per instance, Flow Builder, Funnel and Marketer included | Delivers the API, webhooks and a dashboard; the business layer is something you build or integrate |
| Number ban risk | It exists: this is an unofficial solution. Warm-up and good practices lower the risk, they do not remove it | It exists: WAHA's own docs warn that WhatsApp does not allow bots or unofficial clients |
| Support | In Portuguese, from the product team | Project documentation and community |
Where ZapZap does better
- No server to maintain: hosting, updates and monitoring of the instances are on us, you create the number in the dashboard and connect it by QR code
- Business features ready to use: AI per instance, Flow Builder, Funnel, Marketer and group management modules, without assembling everything yourself
- Warm-up and sending best practices are part of the product, instead of a topic left entirely to whoever operates it
- Support in Portuguese and billing in reais: R$15 per active number per month, prepaid, no per-message fee
- Quick start: a welcome credit when you verify your phone, with no deposit, one per phone and subject to the current campaign
Where WAHA makes sense
- No software cost: the project's site describes WAHA as free and open source, with no message limits and no license expiration. You only pay for the infrastructure you pick
- Full control of the environment: it runs on your server, in a Docker container, and messages do not pass through a third party
- Choice of connection engine: the docs list engines such as WEBJS (a browser driven by Puppeteer), NOWEB (WebSocket in Node.js, no browser) and GOWS (WebSocket in Go), selected with an environment variable
- No paid tier to unlock features: according to the docs, since version 2026.6.1 the features that used to be WAHA Plus, such as unlimited sessions and media messages, are part of Core
- A good fit for teams with DevOps: capacity decisions are yours
Choose ZapZap if
Choose ZapZap API if you want to use WhatsApp through an API without building and maintaining a server, need AI, funnels and automations ready to go, prefer to pay per number in reais with predictable cost, and want support in Portuguese. It suits marketing, support and sales teams that do not want to hire DevOps just for WhatsApp.
Prefer WAHA if
WAHA is the better choice if you have developers and want to host everything, need the code inside your own environment, want to pick the connection engine and do not want to pay for a managed service. It also fits labs and proofs of concept. If your operation is critical and needs an approved channel, WAHA's own docs warn that the solution should not be considered totally safe; in that case, consider the official options.
Frequently asked questions
Is WAHA really free?
The software is: the project's site describes it as free and open source, with no message limits or license expiration. The real cost is the server, the upkeep and the time of whoever runs it. On ZapZap that cost is inside the R$15 per active number per month.
Are WAHA and ZapZap official Meta products?
Neither. Both are unofficial solutions with no Meta badge. WAHA's docs say WhatsApp does not allow bots or unofficial clients and that this can lead to blocking. If you need an approved channel, the option is Meta's official API through a partner.
Which one gets numbers banned less?
Neither can promise that, and be wary of anyone who does. The risk depends on how the number is used: cold lists, high volume, identical messages and reports weigh more than the tool. ZapZap offers warm-up and sending best practices to lower the risk, which still exists.
Can I start on WAHA and move to ZapZap later?
Yes. Since both connect a number through a WhatsApp Web session, migrating means pairing the number in the ZapZap dashboard and pointing your system at ZapZap's endpoints and webhooks, which are in the documentation. Test with one number before moving the whole operation.
Where do the WAHA facts on this page come from?
From the official site waha.devlike.pro and the project docs (introduction, engines and WAHA Plus pages), checked on 2026-10-26. Open source projects change fast: confirm on WAHA's site before you decide.
How do I migrate to ZapZap?
There is a step-by-step guide with endpoint mapping, the webhook change and a cutover checklist: [migrate to ZapZap](/blog/migrar-waha-para-zapzap).
Start now
Create your account, connect a number in minutes and test the API with warm-up and anti-ban. R$15 per active number/month, prepaid, no lock-in.