Birsend · WhatsApp messaging, done properly

Your own number.
WhatsApp API.

Birsend connects the WhatsApp number your customers already know, then sends messages that feel written one by one. No agency, no API paperwork.

Start freeSee how it works
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+1 415 ••• ••34your own number · connected
68%reply rate
1,248 deliveredcampaign · 3 min ago
  • OpenAI logo
  • Claude logo
  • Gemini logo
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  • arabanoktasi logo

Features

Everything you need to send.
Nothing you don't.

As capable as an enterprise suite, as simple as a conversation. Six things Birsend does properly.

Your number, your reputation

Scan one QR code and you are live. Messages leave from your own line, so customers see the number they already trust.

A library of saved messages

Write once, reuse everywhere. Templates carry a status, so a half-finished draft is never one click away from four thousand people.

Sending pace you choose

Cautious, balanced or brisk — six, twelve or twenty messages a minute. Set it per campaign and the sender never exceeds it.

Shared team inbox

Everyone answers from one place. Threads carry the whole history with that person, including anything a campaign sent them.

Automatic replies

Answer a keyword, a first-time message, or every message that arrives. Reply from a template, tag the contact, or both.

Reporting over any period

Attempted, delivered, replies, clicks, contacts added, opt-outs — compared against the period before, with a PDF to download.

Tracking, files, link clicks and the AI assistant

How it works

Three steps. One coffee break.

No developer tickets, no onboarding call. You can be sending from your own line before lunch.

Virtual Phone

Every line you own,
one place to answer them.

Birsend reads your WhatsApp numbers the way your customers do — as conversations. Connect more than one, pick which you are looking at, and answer from the same screen the campaign went out from.

Several numbers, one screen

A workspace holds more than one WhatsApp line — support on one, sales on another. Switch between them from the header, and each keeps its own sending hours and its own conversations.

The campaign and the reply are one thread

Whoever answers can see what that person was sent, when, and whether it was read. A broadcast and the conversation it started are not two systems to line up by hand.

Nobody answers twice

The inbox shows who is already in a conversation and lets you hand a thread over, so four people can share one number without stepping on each other.

Everything the inbox does

98%
Average open rate
2 min
Time to first send
12M+
Messages delivered
4,200+
Active businesses

Email gets skimmed. WhatsApp gets read. Birsend turns that gap into a channel you can actually measure.

MCP Server

Ask your agent.
It sends from your number.

MCP — the Model Context Protocol — is the open standard for giving an AI model tools it can call. Birsend publishes twenty-two of them for a WhatsApp line you already own, so Claude can read a thread, answer a customer, tag them and stop a campaign, under the same rules as everybody else on your team.

Three of the twenty-two tools, called in order. Every send still passes your sending hours, your daily cap, the opt-in requirement and your word filter.

One address, one key

Nothing to install and nothing to host. Paste the endpoint and a bearer key into Claude Desktop, Claude Code or your own runner, and the twenty-two tools appear. The key decides which of them the server even advertises — an agent holding a read-only key is never told that sending exists.

A key is narrower than the person who made it

What a key may do is the overlap between the role you gave it and your own permissions. Nobody can mint a key more capable than themselves, and a key stops growing the moment the person behind it is demoted.

Your sending rules still apply

Sending hours, the daily cap, the opt-in requirement, blocked contacts and your own word filter are checked per message, whoever asked for it. A refusal comes back as a sentence the agent can read — “Outside the sending window (09:00–20:00 Europe/Istanbul).” — rather than as a silent failure.

It may narrow, never widen

An agent can pause a campaign that is going out. There is no tool to resume one, and none to schedule or send one: putting thousands of messages back in motion because a model read a sentence a certain way is not a thing to automate. Nothing can be deleted from here either.

Endpointhttps://api.birsend.com/mcp
AuthAuthorization: Bearer <your MCP key>

All twenty-two tools, and what they refuse

Pricing

Pay as you grow.

Every plan includes your own number, the REST API and the MCP server, and no fees to Meta. No setup fee, cancel whenever.

Up to 30% cheaper per month, billed once a year

Starter

For solo operators and first campaigns.

$6.99/ mo

Billed $83.88 per year −30%

Get started
  • 1 WhatsApp number
  • 2,000 messages per month
  • 3 message templates
  • Virtual Phone, 1 seat
  • Not included: Multiple WhatsApp Management Professional and Scale hold several numbers in one Virtual Phone. A number switcher appears in the inbox header, so the team answers every line from the same screen instead of signing out of one to reach another. Starter covers a single number, so there is nothing to switch between.
  • REST API and MCP server
  • No Meta fees, ever
  • Spreadsheet contact import
  • Core delivery reports
  • Not included: Team management and roles
  • Not included: Client management
  • Not included: Automatic replies and scheduling
  • Not included: AI assistant
  • Not included: Campaign-level analytics
  • Email support
Most popular

Professional

For growing teams sending on a schedule.

$16.99/ mo

Billed $203.88 per year −15%

Get started
  • 5 WhatsApp numbers
  • 15,000 messages per month
  • Unlimited templates and tags
  • Virtual Phone, 5 seats
  • Multiple WhatsApp Management Professional and Scale hold several numbers in one Virtual Phone. A number switcher appears in the inbox header, so the team answers every line from the same screen instead of signing out of one to reach another. Starter covers a single number, so there is nothing to switch between.
  • REST API and MCP server
  • No Meta fees, ever
  • Spreadsheet contact import
  • Core delivery reports
  • Team management and roles
  • Client management
  • Automatic replies and scheduling
  • AI assistant
  • Campaign-level analytics
  • Support over WhatsApp

Scale

For high-volume commerce and multi-location brands.

$26.99/ mo

Billed $323.88 per year −10%

Get started
  • 15 WhatsApp numbers
  • Unlimited messages
  • Unlimited templates and tags
  • Virtual Phone, unlimited seats
  • Multiple WhatsApp Management Professional and Scale hold several numbers in one Virtual Phone. A number switcher appears in the inbox header, so the team answers every line from the same screen instead of signing out of one to reach another. Starter covers a single number, so there is nothing to switch between.
  • REST API and MCP server
  • No Meta fees, ever
  • Spreadsheet contact import
  • Core delivery reports
  • Team management and roles
  • Client management
  • Automatic replies and scheduling
  • AI assistant
  • Campaign-level analytics
  • Priority support

Need more volume?

Higher sending limits, more numbers, or your own instance. Tell us what your list looks like and we will tell you straight whether this fits.

Customers

They didn't change the channel.
They changed the result.

  • Rated 5 out of 5

    We stopped paying for bulk SMS. When the message comes from our own number, people actually reply.
    Emma WalshFounder · Nara Boutique

  • Rated 5 out of 5

    Appointment reminders run themselves now. Our no-show rate dropped by half in the first month.
    Dr. Alina SerraPractice manager · Serra Clinic

  • Rated 5 out of 5

    Upload the sheet, hit send, done in three minutes. The whole team was using it on day one.
    Marcus ReidMarketing · Fresh Basket

  • Rated 5 out of 5

    The shared inbox means two of us never message the same lead twice. Small detail, big difference.
    Zoe TannerSales team · Harbor Realty

  • Rated 5 out of 5

    Our cart recovery flow pays for the whole subscription in the first week of every month.
    Daniel OkaforEcommerce lead · Loom & Co

  • Rated 5 out of 5

    I was worried about our number getting flagged. Six months and 40,000 messages later, still clean.
    Sofia BergmanOperations · Northside Studios

FAQ

Questions, answered.

These are the six that come up most. The full FAQ answers around sixty, including a list of what Birsend does not do — or ask us directly.

  • Nobody can promise otherwise on a consumer WhatsApp account, so we will not. What Birsend does is remove the usual causes: a deliberately modest pace, a daily ceiling, sending hours, a tighter cap while a new line warms up, and a refusal to message anyone who has opted out. What it cannot fix is an audience that never asked to hear from you.

  • No. Scan the pairing code shown in your dashboard from the WhatsApp app on your phone. Connecting the number takes under a minute; the half hour after it is spent deciding your sending rules, which matters more.

  • Yes, on every plan — the shared inbox is not something you have to move up for. Everybody works the same line, each message records who sent it, and roles decide who can do what. What the plan sets is how many seats.

  • Sending does not stop, and we would rather be straight about why: the plan figure is shown on your dashboard but nothing currently enforces it. There is no top-up to buy and no email will arrive, because this installation sends no email at all. If you expect to go well past your plan, tell us.

  • On a single server we operate. Connection secrets — WhatsApp tokens, any AI key you add — are stored encrypted; contacts and message bodies are not encrypted at the database level, and we would rather say so than imply a guarantee we have not built. Ask us if hosting region or a processing agreement is part of your decision.

  • There is no contract and no fee, but it is a message to us rather than a button — there is no card form in the panel yet. Export your contacts first: they come out as CSV, though conversations do not export at all today.

Get started

Send your first message
from your own number today.

Free for 14 days, no credit card. Drop your number and we'll send the setup link straight to WhatsApp.

No setup fee · Cancel anytime · EU-hosted, GDPR-ready infrastructure

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