WhatsApp Business API by Wassenger

com.wassenger/whatsapp · api.wassenger.com · MCP, Website

Send and read WhatsApp messages, templates, chats and campaigns through the official Business API.

Name and description as published by MCP Registry

Filed under Email & messaging by addrbook, from the words in its listing

Live

Last successful check: 15 Nov 2026, 05:51 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

At api.wassenger.com, its best endpoint.

How addrbook checks →

Evidence

3 of 4 shown

Answers when askedShown
Answered a check 1 hours ago.
Owner provenShown
Control proven: wassenger.com, proven to the MCP Registry.
Track recordNot shown
Listed for 20 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
None of the patterns addrbook looks for (hidden instructions, invisible characters) appeared in the 60 tools this server showed it.

Decided 15 Nov 2026, 00:35 UTC by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://api.wassenger.com/mcphttps://wassenger.com/integrations/claude

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registrycom.wassenger/whatsapplast seen 25 Oct, 17:50 UTC
Wallets named: None in its listings
Proven to belong to it: wassenger.comthe MCP Registry checked its publisher's namespace, 25 Oct 2026
Listed since: 25 Oct 2026, 17:50 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
api.wassenger.com	MCP	Live	15 Nov, 05:51	15 Nov, 05:51	100%	100%	60changed 12 Nov 2026
wassenger.com	Website	Live	15 Nov, 05:51	15 Nov, 05:51	100%	100%	—

Tool scan

addrbook read the descriptions of 60 tools at api.wassenger.com on 12 Nov 2026, 15:36 UTC: 0 serious, 0 worth a look. It reads what the tools say about themselves; it never calls one. The recorded scan

Tool	Finding	Weight
delete_whatsapp_file		What it can do
delete_whatsapp_template		What it can do
delete_whatsapp_web_form_submissions		What it can do
download_whatsapp_chat_file		What it can do
download_whatsapp_file		What it can do

History

12 Nov 2026, 15:36 UTCTool scan: none of the patterns checked appeared in what the server showed.https://api.wassenger.com/mcp#5111671
12 Nov 2026, 15:36 UTCTools added: delete_whatsapp_web_form_submissions, manage_whatsapp_web_form_appearance, manage_whatsapp_web_form_links, manage_whatsapp_web_form_submissions, manage_whatsapp_web_forms, send_whatsapp_web_form. Tools changed: manage_whatsapp_campaigns.https://api.wassenger.com/mcp#5111670
29 Oct 2026, 00:15 UTCTools changed: manage_whatsapp_message_interactions, manage_whatsapp_queue, send_whatsapp_flow, send_whatsapp_message.https://api.wassenger.com/mcp#949866
27 Oct 2026, 21:47 UTCTool scan: none of the patterns checked appeared in what the server showed.https://api.wassenger.com/mcp#563310
27 Oct 2026, 21:47 UTCTool list first read: 54 tools.https://api.wassenger.com/mcp#563309
26 Oct 2026, 14:44 UTCFirst recorded as answering. (already true when recording began)https://wassenger.com/integrations/claude#186035
26 Oct 2026, 14:41 UTCFirst recorded as answering. (already true when recording began)https://api.wassenger.com/mcp#160372
26 Oct 2026, 14:35 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#21928

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/whatsapp-business-api-by-wassenger-284d25ca/badge.svg)](https://addrbook.com/agents/whatsapp-business-api-by-wassenger-284d25ca)