Free tools
Free tools for WhatsApp
Utilities that run in your browser with no sign-up and no data sent anywhere, plus files to download: OpenAPI, a Postman collection and n8n templates. Built by people who know WhatsApp at scale.
WhatsApp link generator
Create a wa.me link with a ready message. Paste it on Instagram, your site, your bio or an ad and the customer opens the chat right away.
Open toolWhatsApp QR Code generator
Generate a QR Code that opens the chat on WhatsApp. Download it as PNG or SVG for a card, a window, a flyer or a counter.
Open toolValidate and format a number
Check whether a number is valid, fix the 9th digit and get the E.164 format ready for any API.
Open toolWhatsApp API cost calculator
Compare the official API, billed per message, with a fixed price per number. Meta rates in reais, editable.
Open toolOpenAPI spec and Postman collection
Download the OpenAPI 3.1 spec and the Postman collection of the ZapZap API, in three languages.
Open toolNumber warm-up checklist
A printable roadmap to prepare a new number before sending in volume, with a daily log.
Open tooln8n templates for WhatsApp
Twelve JSON workflows to import into n8n, using only native nodes.
Open toolWhatsApp country codes
A country code list with search and how to write the international number: Brazil is +55.
Open toolBulk number formatter
Paste a list and convert to E.164: area code, ninth digit, duplicates and errors by reason. Exports CSV.
Open toolCharacter counter and formatter
Count characters and apply bold, italic, strikethrough and monospace to your message.
Open toolNeed this at scale?
These tools solve the one-off case. To really send, receive and automate messages, use the ZapZap API with warm-up and anti-ban. R$15 per active number/month, with a welcome credit when you create the account, subject to the current campaign.