Unitpost vs Bird (MessageBird) for SMS

Bird is a messaging platform, called MessageBird until 2024, with APIs for SMS, email, WhatsApp, Apple Messages and voice, plus verification and a marketing suite. Unitpost sends SMS to 177 countries from the same API, contacts and bill as its email, on paid plans from $10 a month. Across 12 compared capabilities, Unitpost leads on 3 and Bird leads on 5.

Comparing more than two? Best Bird alternatives in 2026, ranked with published weights.

Which should you choose?

Choose Bird if

The price per US text matters most
You need WhatsApp, Apple Messages or voice alongside SMS
You want one-time codes managed for you, at no fee beyond the message

Choose Unitpost if

You want to schedule texts and campaigns, with quiet hours and consent enforced on marketing sends
You want STOP and HELP handled in every country you text, not a subset
You want a larger free email tier: 5,000 emails a month instead of 1,000
You want transactional email, marketing email and SMS in one product with one contact list

What Bird does well

Stated plainly, because a comparison that pretends otherwise is not worth reading.

Very low published US prices, with the full carrier-fee table on the page
One balance across SMS, email, WhatsApp, Apple Messages and voice
A hosted MCP server with OAuth that can send, run Verify, and manage numbers, 10DLC and contacts
Idempotent sends, and Standard Webhooks signing with a 24-hour rotation window
Verify over email and SMS with failover and no per-verification fee

Pricing and free tier

Unitpost: $0.014 per US text, and a published price for each of 177 countries; SMS is on paid plans from $10 a month, which includes $10 of monthly sending allowance for texts or email. Number and carrier registration fees are passed through at cost.
Bird: No free SMS tier: texts draw on a prepaid balance. Email is free up to 1,000 a month (50 a day); Pay as you go from one prepaid balance shared by every channel: US long-code texts at $0.0035 per outbound segment and $0.001 inbound, carrier fees extra, numbers from $0.50 a month, and 10DLC fees on top. Monthly plans give up to 10% off.

Bird pricing and free-tier details last verified 2026-11. Providers change these often — check their pricing page before making a decision.

Feature comparison

Feature and pricing comparison between Unitpost and Bird
Capability	Unitpost	Bird
Price of a US text	$0.014 per segment, carrier fees included	$0.0035 per outbound segment on a long code, plus carrier fees of up to $0.005
Monthly minimum	A paid plan from $10 a month, which includes $10 of sending allowance for texts or email	None. Pay as you go from a prepaid balance
Free email tier	5,000 emails/month, 200/day, no credit card	1,000 emails a month, 50 a day
Other channels	Email. No WhatsApp, voice or Apple Messages	Email, WhatsApp, Apple Messages and voice on the same balance
Marketing text compliance	Enforced on every send: consent on record per contact, recipient-local quiet hours for marketing, STOP and HELP handled, double opt-in by text, a content check before a sender's first send	STOP and HELP handled by default only in the countries in Bird's keyword catalog; consent records and quiet hours are left to you
Contacts, segments and campaigns	SMS templates, topics, segments and scheduled campaigns in the product, shared with email	Contacts, audiences and campaigns in Bird Marketing; the SMS API can't schedule a send
Two-way texting	Replies to numbers in the United States and Canada arrive as an sms.received webhook, 1¢ per received text	Replies arrive as an sms.received webhook event
One-time codes	Send codes through the SMS or email API and check them yourself. No managed verification API	Bird Verify over email and SMS with failover, no fee beyond the message
Idempotent sends	Idempotency-Key on sends, 24-hour dedupe window, on SMS as on email	Idempotency-Key header on sends, kept for about three hours
Webhook signing	svix-compatible HMAC-SHA256 with a 24-hour dual-signing rotation grace	Standard Webhooks (HMAC-SHA256) with a 24-hour dual-signing rotation
SMS pumping protection	On by default: texts reach only the countries we offer, with fraud filtering and per-workspace limits on new destinations	Every country blocked until you enable it, with per-country daily spend limits
MCP server for AI agents	Hosted, with every SMS and email operation as a tool and OAuth sign-in	Hosted with OAuth, covering sends, Verify, numbers, 10DLC, contacts and webhooks

How do I switch from Bird?

There is no one-key import from Bird, and Unitpost doesn't port numbers in. You get new numbers or Sender IDs, and in the US you register your brand and campaign with Unitpost (10DLC or toll-free verification), which the carriers review before you can send.

Import your contacts with their phone numbers and record the consent you already hold, opt-outs included, so nobody who texted STOP to your Bird number hears from the new one.

Then change the send call to POST /sms and point delivery callbacks at Unitpost webhooks (sms.sent, sms.delivered, sms.failed; replies arrive as sms.received). Keep Bird sending until the new sender is approved and live.

Read the SMS docs

Frequently asked questions

Is Bird cheaper than Unitpost for SMS?

Per US text, yes, by a wide margin: $0.0035 per segment on a long code plus carrier fees, against $0.014 per segment on Unitpost with carrier fees included, and Bird has no monthly plan. Unitpost costs more per text and includes more around it: scheduled SMS campaigns, consent and quiet hours enforced on marketing sends, STOP handling everywhere, and 5,000 free emails a month.

Is Bird the same company as MessageBird?

Yes. MessageBird rebranded as Bird in February 2024. Older integrations may still use the MessageBird-era Channels API, which runs alongside Bird's newer API.

Switching from Bird?

Start with email on the free tier

Then add SMS on any paid plan from $10 a month, on the same API key and contacts.

Start for free Explore the docs