SendAPI

What it does

Send WhatsApp messages, SMS, OTP codes, and transactional email via one REST API. Official Meta Business Partner. 7-day free trial — no credit card required.

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  Sent.dm2024 · ▲195

  Unified API for sending messages on SMS, WhatsApp, and more

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  Zernio WhatsApp APIJun 2026 · zernio.com · ▲362

  One API for WhatsApp: messaging, calling, and AI agents

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  WhatsApp API by Retention StackMar 2026 · whatsapp-messaging.retentionstack.agency · ▲1

  WhatsApp messaging API — no Meta approval needed

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  Simple WhatsApp API (Open Source)Sep 2025 · github.com · ▲15

  Had a Lot of issues with existing APIs especially with Attachment support. Hence built own Whatsapp API. Currently only Send Messages

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  API of Messenger28d ago · api2whats.com · ▲3

  Reliable WhatsApp Business API for developers and businesses

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  SendableSep 2025 · ▲9

  Integrate Whatsapp in Minutes, not Days

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  Dograh▲592

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