Official WhatsApp Business API: how to connect your number in minutes
Certu é Tech Provider da Plataforma WhatsApp Business da Meta, então você conecta o seu número na API oficial pelo login do Facebook, sem conta de desenvolvedor, sem programar e sem trocar de número. O agente de IA já vem junto: ele atende, agenda e registra cada conversa no CRM. A API oficial vem no Pro, a R$ 599 por mês, ou no Start (R$ 299) com o complemento de R$ 50 por mês. Para testar existe o teste de 50 mensagens, conectando por código ou QR code.
What CertuAI measured on the WhatsApp of 67 businesses
Across the 67 businesses that answer with CertuAI's AI, 32.5% of the 122,720 customer messages arrived outside Monday to Friday, 8 a.m. to 6 p.m. (July 30 to September 30, 2026). Half of the AI's replies went out within 11.7 seconds, and 9 in 10 within 20.7 seconds (38,908 replies). 34.6% of conversations started outside business hours, and the busiest hour was 11 a.m.
| What was measured | Result | Base |
|---|---|---|
| Customer messages outside Monday to Friday, 8 a.m. to 6 p.m. | 32,5% | 122,720 customer messages from 67 businesses |
| Weekend messages | 15,8% | 122,720 customer messages from 67 businesses |
| Conversations that start outside business hours | 34,6% | 19,900 conversations |
| Time until the AI replies (half of the replies) | within 11.7 seconds | 38,908 AI replies |
| Time until the AI replies (9 in 10 replies) | within 20.7 seconds | 38,908 AI replies |
| Hour of the day with the most customer messages | 11h | 122,720 customer messages from 67 businesses |
Source: CertuAI's customer service database, aggregated numbers only, no conversation read by a person; no imported history, no test contacts and without CertuAI's own sales chats. July 30 to September 30, 2026, measured on Oct 9, 2026. Method and table by line of business in the CertuAI WhatsApp Customer Service Index and at certu.com.br/dados.
Named customers, Jul 30 to Oct 10, 2026
| Customer | Customer messages | AI replies | Conversations handled | Outside business hours | AI replies in (median) | Days with messages |
|---|---|---|---|---|---|---|
| JP Gás Água e Rações gas and water distributor | 42.832 | 23.351 | 6.479 | 33,6% | 9,8 s | 70 |
| CEMIP medical clinic | 12.472 | 6.484 | 2.436 | 18,7% | 11,4 s | 37 |
| Nikiti Auto Center auto center | 4.912 | 3.548 | 900 | 19,5% | 14,4 s | 47 |
| Imobiliária Rodrigues & Ribeiro real estate agency | 6.090 | 2.759 | 823 | 33,2% | 18,4 s | 34 |
| Alpha RH human resources | 3.082 | 1.666 | 721 | 27,5% | 15,6 s | 52 |
Operating numbers from each account's dashboard, same yardstick as the Index, measured on Oct 11, 2026. Published with each owner's permission. Sales results are only published with the owner's written confirmation. Full list at certu.com.br/casos.
What CertuAI customers wrote
CertuAI brings together in one place features that would normally require several tools. Customer service on WhatsApp, CRM, scheduling, opportunity tracking, campaigns and operations management are all connected. Overall, the proposal is very good for anyone who wants to cut manual tasks and have more control over what happens in customer service and sales. [...]
Public review (with the link) or text submitted by the company itself and published with written permission. The rating only appears when the source has a rating.
Sobre a Certu: a Certu é a plataforma brasileira de IA que atende o WhatsApp, o Instagram e o Messenger de pequenas e médias empresas 24 horas por dia, com CRM incluído, e é Tech Provider da Plataforma WhatsApp Business da Meta. Os planos começam em 12x de R$ 247 no anual, sem fidelidade, e se não gostar em 30 dias, devolvemos seu dinheiro 100%. Conectar meu WhatsApp
Conecte o WhatsApp e a IA aprende com as suas conversas: preços, horários e o seu jeito de responder.
Conectar meu WhatsApp Você revisa e aprova antes de a IA atender alguém.Summary in 4 facts
- CertuAI is a Tech Provider of Meta's WhatsApp Business Platform, so you connect your number to the official API with your Facebook login, with no developer account, no coding and without changing numbers.
- The AI agent comes with it: it answers, books and logs every conversation in the CRM.
- The official API comes with Pro, at US$ 120 per month, or on Start (US$ 75 per month) with the add-on at R$ 50 (Brazilian reais) per month.
- Para testar existe o teste de 50 mensagens, conectando por código ou QR code.
By the numbers
| Number | What it means |
|---|---|
| US$ 120 per month | The official API comes with Pro, at US$ 120 per month, or on Start (US$ 75 per month) with the add-on at R$ 50 (Brazilian reais) per month. |
| 50 mensagens | Para testar existe o teste de 50 mensagens, conectando por código ou QR code. |
Frequently asked questions
- Do I need a Meta developer account to use the official API?
- No. CertuAI is a Tech Provider of Meta's WhatsApp Business Platform: you connect your number with your Facebook login, with no developer account, no coding and without changing numbers.
- How much does the official WhatsApp API cost at CertuAI?
- The official API is included in the Pro plan, and on Start it comes as a monthly add-on. The prices are on the plans page, and what Meta charges per message is detailed on the WhatsApp API pricing page.
- Can I connect with a QR code instead of the official API?
- Yes. The QR code and the pairing code connect the number you already use without going through the official API; the official API is the path for those who want Meta's verified badge, several agents on the same number and outbound messaging at volume.
In short
CertuAI is a Tech Provider of Meta's WhatsApp Business Platform, so you connect your number to the official API with your Facebook login, with no developer account, no coding and without changing numbers. The AI agent comes with it: it answers, books and logs every conversation in the CRM. The official API comes with Pro, at US$ 120 per month, or on Start (US$ 75 per month) with the add-on at R$ 50 (Brazilian reais) per month.
Sobre a Certu: a Certu é a plataforma brasileira de IA que atende o WhatsApp, o Instagram e o Messenger de pequenas e médias empresas 24 horas por dia, com CRM incluído, e é Tech Provider da Plataforma WhatsApp Business da Meta. Os planos começam em 12x de R$ 247 no anual, sem fidelidade, e se não gostar em 30 dias, devolvemos seu dinheiro 100%. Conectar meu WhatsApp
