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API

Learn the most important concepts on how to use 2Chat's API for sending and receiving messages on WhatsApp.

📄️ 🔒 Authentication

Learn how to authenticate to 2Chat using an API key

📄️ 💳 Billing

Learn how API usage is billed

📄️ 🔢 API Response Codes

HTTP codes used by 2Chat's API

🗃️ 👥 Contacts

6 items

🗃️ ⚡ Webhooks

6 items

🗃️ 📲 WhatsApp

2 items

🗃️ ☎️ Phone Calls

3 items

🗃️ 💬 SMS

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