Bird vs MessageBlue

Compare Bird and MessageBlue side by side: iMessage features, channels, developer tools, pricing and compliance, checked on each provider's own site.

Bird

Email, SMS, WhatsApp and Apple Messages APIs
Starting price
$0.0035 per US outbound SMS segment plus carrier fees
Free plan
Free email tier of 1,000 emails a month; free shared Inbox

MessageBlue

iMessage API for agents, with bring-your-own-number
Starting price
$100/month per line
Free plan
$0 with your own number and Mac, all features, limited seats

Bird supports 36 of the 77 features compared here, and MessageBlue supports 38.

Feature comparison

FeatureBirdMessageBlue
iMessage messaging
iMessage
Not supportedNo iMessage support
Supported
Group chats
Not supported
SupportedSend text, attachments and voice notes to groups; receive group messages.
Group management
Not supported
PartialCreate groups of 2 to 31 by API; no add or remove participant endpoints.
Group name and photo
Not supported
Not listed
Mentions
Not supported
Not listed
Tapbacks
Not supported
SupportedSend or remove emoji or tapbacks; inbound tapbacks arrive by webhook.
Threaded replies
Not supported
Not listed
Typing indicators
Not supported
SupportedSend and stop, up to 20 seconds; no inbound typing webhook documented.
Read receipts
Not supported
SupportedSend read receipts; outbound messages report a read status.
Edit and unsend
Not supported
Not listed
Message effects
Not supported
Not listed
Animated text effects
Not supported
Not listed
Stickers
Not supported
Not listed
Formatted text
Not supported
Not listed
Attachments
Not supported
SupportedAttachments by public URL.
Live Photos
Not supported
Not listed
Rich link previews
Not supported
Not listed
Voice messages
Not supported
SupportedTo individuals and groups.
Contact cards
Not supported
Not listed
Polls
Not supported
Not listed
Chat backgrounds
Not supported
Not listed
Location sharing
Not supported
Not listed
iMessage apps
Not supported
Not listed
Live app cards
Not supported
Not listed
Sender name and photo
Not supported
Not listed
FaceTime calls
Not supported
Not listedInbox video call button is marked coming soon; voice calls need the team to enable.
Delivery status
Not supported
Supportedsent, delivered, read, SMS_FALLBACK and failed via status webhook.
iMessage availability check
Not supported
SupportedCheck a number, or a whole group's participants, before sending.
Focus and Notify Anyway
Not supported
Not listed
Numbers and delivery
Managed lines
Not supportedNo iMessage support
SupportedRequest a number and the team provisions it, typically in 3 to 5 business days.
Dedicated numbers
SupportedLocal, mobile, toll-free and short code numbers by country
Supported$100/mo per line on Startups & SMB.
Shared numbers
SupportedBird-managed shared short codes; built-in SMS templates pick the sender
Not listed
Bring your own number
PartialWhatsApp coexistence and verified voice caller IDs only; no hosted SMS found
SupportedPair your own Mac and its Apple ID number with the MessageBlue agent.
Line pooling
Not supportedNo sender pool; the sender is set per send
SupportedAssigns the least-mapped number per contact and remaps contacts if a number is blocked.
SMS fallback
Not supportedNo iMessage support; RCS and push can fall back to SMS
SupportedStatus event reports SMS_FALLBACK; not available for group creation.
RCS fallback
Not supportedNo iMessage support
Not listedMarketing pages say SMS or RCS fallback; docs only describe SMS.
Outbound-first messaging
SupportedBusiness-initiated SMS; WhatsApp needs approved templates
SupportedStart chats with any iMessage-capable number; warns after 5 unanswered messages.
Calls on the iMessage number
Not supportedNo iMessage support
Not listedInbox voice call button says to contact the team; number used is not stated.
Other channels
SMS
PartialSMS only in the API; outbound MMS not supported yet (media_urls reserved)
PartialOnly as fallback; new chats need an iMessage-capable recipient.
RCS
BetaPrivate beta with limited access
Not listedMentioned only as a fallback on marketing pages.
WhatsApp
Supported
Not supportedNot offered
Telegram
PartialVerify one-time passcodes only, through Telegram Gateway
Not supported
Slack
Not listed
Not supported
Email
SupportedIncludes the SparkPost email platform
Not supported
Phone calls
SupportedVoice over SIP trunks, with call sequences
Not listedInbox voice call button says to contact the team; call type and number not stated.
Apple Messages for Business
Supported
Not supportedNot offered
Unified channel API
PartialOne REST API and SDK, but each channel has its own send endpoint and payload
PartialOne API for iMessage and its SMS fallback only.
Developer tools
REST API
Supported
SupportedOpenAPI 3.1 spec published.
TypeScript SDK
Supported@messagebird/sdk on npm
Supportednpm messageblue (0.0.7), generated from the OpenAPI spec.
Python SDK
Supportedmessagebird-sdk on PyPI
Not supportedDocs say only TypeScript is published today; other languages on request.
Other SDKs
SupportedGo and PHP; Swift and Kotlin clients for Realtime only
Not supported
CLI
Supportedbird CLI with JSON output, also runs the MCP server locally
Not listedThe API page mentions a CLI, but none is documented.
Webhooks
Supported
SupportedInbound and status URLs with retries and dead-lettering.
Signed webhooks
SupportedStandard Webhooks, HMAC-SHA256
SupportedX-MB-Signature: HMAC-SHA256 over timestamp and raw body.
MCP server
SupportedHosted at mcp.bird.com with OAuth, or local over stdio
PartialDocumentation-only MCP server at docs.messageblue.ai/_mcp/server.
Open source
Not supportedClosed platform; SDKs, n8n node and agent skills are MIT-licensed
Not listed
Self-hosting
PartialOnly the PowerMTA email software is licensed for your own servers
SupportedEnterprise plan: your cloud (BYOC), VPC or on-prem
Local testing
PartialSimulated SMS destinations and an email sandbox, no handset needed; SMS tests are billed
PartialBrowser test bench runs the no-code agent without sending an iMessage.
Custom channel providers
Not listed
Not listed
Event replay
SupportedReplay API for failed deliveries from a 3-day attempt log; 8 retries over about 27.5 hours
SupportedFailed and dead-lettered deliveries are kept and can be replayed.
OpenTelemetry
Not listed
Not listed
No-code integrations
SupportedZapier app and verified n8n node; Make listed as coming soon
SupportedZapier, plus a no-code agent builder.
CRM integrations
SupportedAttio app; HubSpot and Salesforce connectors on the Engagement Platform
SupportedAgent connects to Salesforce, HubSpot and others; HubSpot inbox sync is private beta.
Built for AI agents
Agent framework
PartialAI Employees builder on the Engagement Platform (app.bird.com) only
SupportedNo-code agent with model choice, prompt, knowledge, tools, memory and multi-step tasks.
Agent framework integrations
PartialRoutes inbound messages to Claude Managed Agents and Grok Bot; no Vercel AI SDK, LangChain or Mastra
Not listedSite says it works with LangChain and the Vercel AI SDK via webhooks; no official integration.
Streaming replies
Not listedNo edit or streaming API for SMS, WhatsApp or Apple Messages found; Realtime pub/sub serves your own app
Not listed
Agent group chats
PartialWhatsApp groups API: create groups, share invite links, send and receive group messages
Not listed
Human handoff
SupportedFree shared Inbox; Apple Messages and WhatsApp guides cover AI to human handoff
SupportedTeam inbox for manual replies; pause the agent or block it per contact.
Audit logs
SupportedConfiguration and security changes, not message activity
SupportedOn the Business and Enterprise plans
Message history API
SupportedList endpoints for SMS, WhatsApp, email and Apple Messages conversations
SupportedConversation by phone number.
Plans and compliance
Free plan
SupportedFree email tier of 1,000 emails a month and free shared Inbox; SMS and WhatsApp are paid
Supported$0 when you bring your own number on your own Mac; every feature included.
Public pricing
Supported
SupportedFree and $100/mo listed; Business and Enterprise are contact sales.
No per-message fees
Not supportedBilled per message or segment from a prepaid balance
SupportedFlat $100/mo per line.
Uptime SLA
Not supportedNo public SLA; terms exclude downtime liability unless an Order Form says otherwise
Supported99.9% SLA listed from the $100 plan; the API page says enterprise plans
Isolated infrastructure
PartialDedicated email IPs and IP pools only
SupportedEnterprise plan: single-tenant or self-hosted stack
SOC 2 Type II
PartialTrust Center lists a SOC 2 Type I report (Sept 30, 2026); site pages say Type 2
PartialEnterprise page claims audited SOC 2 Type II; pricing says SOC 2 ready; no report found.
GDPR
SupportedDPA and subprocessor list published
Not listed

Checked on each provider's own site and docs on 2026-10-25. “Not listed” means the provider does not mention it.

Pricing

Bird

Pay as you go from a shared prepaid balance, priced per message or segment by channel and destination, with optional monthly plans that fund the balance.

Pricing model: per message, prepaid balance

Source

MessageBlue

Free when you bring your own number on your own Mac; a dedicated line is $100 a month on Startups & SMB, and Business and Enterprise are contact sales.

Pricing model: flat per line

Source

Which should you choose?

Choose Bird if you need shared numbers, RCS, WhatsApp and Telegram.

Choose MessageBlue if you need iMessage, group chats, group management and tapbacks.

Frequently asked questions