Best iMessage API in 2026: 10 options compared by buyer
There is no single best iMessage API: the right one depends on who starts the conversation, how many people you message, and whether you need your own number. Sendblue, Blooio, LoopMessage, Photon, Inkbox, ZeroSettle and Miss Blue are managed APIs, BlueBubbles is free software for your own Mac, and Apple Messages for Business is Apple's channel for verified brands. Claw Messenger is the lowest-cost managed option for an AI agent that texts a few known people first, from $5 a month.
Claw Messenger publishes this page. We sell one of the products compared. Every rival price below comes from that company's own site, linked in the table, on 6 November 2026.
At a glance
- Apple public iMessage API
- None. Apple Messages for Business is the only Apple route, for verified brands, through approved providers.
- Lowest price, agent texts first
- Claw Messenger: $5/mo for 250 messages and 1 registered number
- Free managed tiers
- Photon Free (up to 10 users) and Inkbox Free (2,000 iMessages, 3 recipients at a time); people text first on both
- Lowest price for your own number
- ZeroSettle: $49/mo, iMessage only
- Published compliance
- Sendblue: SOC 2 Type II; HIPAA on Enterprise
- Free self-hosted
- BlueBubbles, on a Mac you keep online
- Many client accounts
- Claw Messenger Agency $199/sub-tenant; Miss Blue $149/line on sale; Blooio $195/line with 6+ lines
Checked 6 November 2026 on each provider's own pricing page.
Best iMessage API by buyer type
Start with the buyer you are. The same API can be the best pick for one and a poor one for another, mostly because of who is allowed to send the first message and how the price scales.
Personal agent builder
One agent, one to five people, often yourself. If you text the agent first, Photon Free or Inkbox Free cost nothing.
If the agent needs to message you first (reminders, alerts, check-ins), Claw Messenger Base is $5 a month for 250 messages. It plugs into OpenClaw, Hermes and MCP clients. If you already own a Mac you leave on, BlueBubbles is free.
Startup developer (Node.js, Python)
A product with a small, known user group. Claw Messenger Growth ($15, 5 numbers) or Plus ($25, 20 numbers) lets your backend start conversations and read replies over a WebSocket.
For users who text first, Photon Pro ($25, 100 users) or LoopMessage shared ($20, 50 contacts) cost less per person. For your own number, ZeroSettle starts at $49.
SaaS or agency with many clients
Each client needs its own number and separate billing. Claw Messenger Agency provisions sub-tenants by API at $199 a month each with 1,000 messages, and each sends from its own visible number.
Miss Blue ($149/line on sale), Blooio ($195/line with 6+ lines) and Photon Business ($250/line) sell a private number per line with no monthly message count.
Enterprise brand
If customers should see your verified name and logo, use Apple Messages for Business through an approved provider such as Twilio (private beta) or CM.com. Customers start those conversations.
For outbound iMessage from a phone number with a security review, Sendblue Enterprise publishes SOC 2 Type II and HIPAA support. Claw Messenger is not the right fit here.
iMessage API comparison table
Checked 6 November 2026. Each row links to the page the facts came from. Where a provider does not publish a figure, the cell says so.
| Option | Entry price | Free tier | Can you text first? | Number | Channels | Replies reach you by | Best fit |
|---|---|---|---|---|---|---|---|
| Claw Messenger | $5/mo: 250 messages, 1 registered number | None. 7-day trial, card required | Yes. The agent can text registered numbers first; up to 20 new recipients per rolling 24 hours on self-serve plans | Assigned sending number (shared). Agency sub-tenants each get their own visible number | iMessage with RCS and SMS fallback | WebSocket stream; REST to send | AI agents that talk to a few known people |
| Sendblue | $100/mo per line (AI Agent plan) | Sandbox: up to 10 verified contacts, contacts text first, no outbound, no webhooks | Contacts text first on AI Agent; full outbound on Enterprise (custom price) | Own number per paid line | iMessage, then RCS, then SMS | Webhooks (paid plans) | Inbound agents and buyers who need SOC 2 Type II or HIPAA |
| Blooio | $39/mo Starter (personal use, shared number, 5 new conversations a day) | Free sandbox | Yes, within daily new-conversation limits; the $98 Inbound plan is reply-only | Shared on $39 and $89 plans; own number on $98 Inbound and $289 Commercial plans | iMessage, SMS, RCS, WhatsApp, Apple Messages for Business | Signed webhooks | Teams that want CRM integrations and several channels in one vendor |
| LoopMessage | $20/mo shared sender (starts with 50 monthly contacts; AI assistant use only) | Sandbox (5 contacts); free shared plan for schools and non-profits | Not on shared senders. Own sender: $30/mo add-on plus $30 once | Shared pool, or your own sender from $59.99/mo | SMS/RCS fallback included on shared; $15/mo add-on on your own sender | Webhooks | Assistants where users text first; per-contact pricing |
| Photon | Free plan (up to 10 users); Pro $25/mo (up to 100 users) | Yes. Managed shared numbers, up to 10 users | Cold outreach only on Business ($250/line/mo, up to 50 new contacts a day) | Shared on Free and Pro; own line on Business | iMessage with RCS and SMS fallback; also WhatsApp, Telegram and others | Spectrum SDK and webhooks | Consumer-style agents that users text first |
| Inkbox | Free; Developer $25/mo (10,000 iMessages, 10 recipients at a time) | Yes. 2,000 iMessages a month, 3 recipients at a time, on a shared router | Not on the shared router: people text "connect @your-agent" first. Startup ($167/mo) adds one own number that can start conversations | Shared router; own iMessage number from $167/mo | iMessage; SMS, RCS and MMS on the Startup plan's own number | Webhooks | Agents that also need email, a phone number and a credential vault |
| ZeroSettle | $49/mo Pro: own number, name and photo sharing | None. 30-day money-back guarantee | Yes. 150 new outbound contacts a month on Pro (5 a day); 1,500 a month on Growth (from $199/mo) | Own number | iMessage only; SMS fallback is not offered yet | Signed webhooks | The lowest published price for your own iMessage number |
| Miss Blue | $149/mo per number on a launch sale (regular $279/mo); $479 setup fee waived until 30 November | Sandbox, for testing only | Yes. Recommends no more than 30 new outbound conversations per line a day | Own number per line | iMessage with SMS fallback and RCS; FaceTime Audio and calling add-ons | API with real-time events | Sales and support teams that want a shared inbox plus the API |
| BlueBubbles | Free, open source | Free software; you supply the Mac | Yes, from your own Apple Account | Your own Apple Account (email address or linked phone number) | iMessage only; no SMS support | REST API and webhooks from your Mac | Developers who already keep a Mac online |
| Apple Messages for Business | Not published by Apple; set by the approved provider you choose | Test account during setup | No. Customers start the conversation from your site, app, Maps or a phone number | Your verified brand name and logo, not a phone number | Apple Messages only; pair with SMS or RCS separately | Through the provider's platform | Verified brands running customer support or commerce |
Most affordable iMessage API at each volume
Providers price on different units: messages, contacts, users or lines. This table converts them into common needs and lists the lowest published monthly price for each. “People text first” plans cost less but cannot start a conversation, so they suit assistants, not reminders or follow-ups.
Checked 6 November 2026. US dollars per month.
| Need | Lowest price | Options at that price | Claw Messenger for the same need |
|---|---|---|---|
| Test the API with no real users | $0 | Sandboxes at Sendblue, Blooio, LoopMessage and Miss Blue; Photon Free; Inkbox Free | No free tier. 7-day trial (card required), then from $5/mo |
| 1 to 3 people who text your agent first, up to 2,000 messages a month | $0 | Inkbox Free (2,000 iMessages, 3 recipients at a time) or Photon Free (up to 10 users) | Base $5 (250 messages, 1 number) or Growth $15 (2,000 messages, 5 numbers) |
| Your agent texts 1 person first, up to 250 messages a month | $5 | Claw Messenger Base. Next lowest with outbound: Blooio Starter at $39 (personal use, shared number), then ZeroSettle Pro at $49 (your own number, iMessage only) | Base $5 |
| Your agent texts up to 5 people first, up to 2,000 messages a month | $15 | Claw Messenger Growth. Next lowest with outbound: Blooio Starter at $39 (personal use, 5 new conversations a day), then ZeroSettle Pro at $49 | Growth $15 |
| Up to 20 people, around 6,000 messages a month | $20 | LoopMessage shared sender at $20 (50 monthly contacts, contacts text first); Photon Pro at $25 (100 users) | Plus $25 (6,000 messages, 20 numbers, agent can text first) |
| Up to 50 people, around 15,000 messages a month | $20 | LoopMessage shared sender at $20 (50 monthly contacts); Photon Pro at $25 | Pro $50 (15,000 messages, 50 numbers, agent can text first) |
| Your own number with no monthly message count | $49 | ZeroSettle Pro $49 (iMessage only). Reply-only: Blooio Inbound $98, Sendblue AI Agent $100. With outbound: Miss Blue $149 on sale, Photon Business $250/line, Blooio Commercial $289 | Not offered on self-serve plans |
| Many client accounts, each with its own number | $98/line | Blooio Inbound $98/line (reply-only); Sendblue AI Agent $100/line (contacts text first); Miss Blue $149/line on sale; Blooio Enterprise $195/line with 6+ lines; Photon Business $250/line | Agency: $199/mo per sub-tenant with 1,000 messages, plus $250 once |
Claw Messenger counts sent and received messages against the plan. Tapbacks, typing indicators and read receipts are free. See plans and limits for the recipient safeguards and iMessage API pricing for a longer cost breakdown.
Each option in two sentences
Claw Messenger
A managed iMessage, RCS and SMS API for AI agents, with no Mac to run. Plans are $5, $15, $25 and $50 a month for 250 to 15,000 messages and 1 to 50 registered numbers; group chats start on Growth. It ships an OpenClaw plugin, a Hermes setup, an MCP server you run with npx, and LangChain, CrewAI and n8n packages.
Sendblue
The longest-running vendor here, with official Node.js and Python SDKs, SOC 2 Type II and HIPAA on Enterprise. The $100 AI Agent line is inbound-first, so outbound campaigns need the custom Enterprise plan. Claw Messenger vs Sendblue, or see Sendblue alternatives for small teams.
Blooio
Line-based plans from $39 (shared, personal use) to $289 (your own number, no daily new-conversation cap), with signed webhooks and SMS, RCS, WhatsApp and Apple Messages for Business in one account. It suits teams that run messaging from a CRM. Claw Messenger vs Blooio.
LoopMessage
Its shared sender costs $20 a month for 50 monthly contacts and is limited to AI assistants that people text first. Your own sender starts at $59.99, and a phone number, fallback and outbound-first are each paid add-ons. Claw Messenger vs LoopMessage; for these three hosted providers side by side, see Sendblue vs LoopMessage vs Blooio.
Photon
Free for up to 10 users and $25 for up to 100 on shared numbers, with an open-source core you can run on your own Mac. Starting conversations needs the $250-per-line Business plan, and Photon says unlimited daily messages need its Auto Scale credits, whose rate is not on the pricing page. Claw Messenger vs Photon.
Inkbox
An identity platform for agents: email, a phone number and iMessage in one account, free for 2,000 iMessages a month. On the shared router people must text “connect @your-agent” first; a number that can start conversations comes with the $167 Startup plan. Claw Messenger vs Inkbox.
ZeroSettle
The lowest published price for your own iMessage number, $49 a month with name and photo sharing and 150 new outbound contacts a month. It does not fall back to SMS or RCS yet, so Android recipients are not reached. Claw Messenger vs ZeroSettle.
Miss Blue
A per-number plan with unlimited messages, a shared team inbox, SMS fallback and optional FaceTime Audio calling. The sale price is $149 a month (regular $279), and the $479 setup fee is waived for lines started before 30 November 2026.
BlueBubbles
Free, open-source server software that turns a Mac signed in to your Apple Account into an iMessage API with webhooks. You keep the Mac online, handle updates, and get iMessage only, with no SMS. BlueBubbles vs Claw Messenger.
Apple Messages for Business
Apple's own channel: a verified brand name and logo, Apple Pay, and pickers inside Messages, approved through Apple's Experience Review. You buy it through an approved provider, and customers start every conversation. Apple Messages for Business explained.
A note on other “best iMessage API” lists
Several widely cited “best iMessage API” and “cheapest iMessage API” lists are written by companies that sell an iMessage API, and not all of them say so. That does not make them wrong, but check three things: who owns the site, whether the top pick links to a signup, and whether prices are dated and linked to the vendor's own page. This page is a vendor page too, which is why every rival price links to its source.
How to choose in four questions
- Who sends the first message? If people always text first, free and $20 to $25 shared plans work. If your agent starts conversations, the field narrows to Claw Messenger, ZeroSettle, Miss Blue, Blooio and enterprise tiers.
- How many people, not how many messages? Most providers cap contacts or new conversations per day. Count the people your agent talks to in a month.
- Do Android users matter? Pick a provider with RCS or SMS fallback. ZeroSettle and BlueBubbles do not have it.
- Does a buyer need a security review or your brand name? Then look at Sendblue Enterprise or Apple Messages for Business first.
New to the topic? Start with what an iMessage API is and the three ways to get one. Running an agent on Linux or in Docker? See the iMessage API matrix for cloud agents.
Frequently asked questions
What is the best iMessage API?
It depends on the buyer. For an AI agent that texts a few known people, Claw Messenger is the lowest-cost managed option at $5 a month. For an agent that people text first, Photon and Inkbox have free shared tiers. For your own number, ZeroSettle starts at $49 a month and Miss Blue at $149 on sale. For compliance reviews, Sendblue publishes SOC 2 Type II and HIPAA support. Verified brands should use Apple Messages for Business through an approved provider.
What is the most affordable iMessage API provider?
If the people you message text first, Photon Free and Inkbox Free cost nothing, and LoopMessage's shared sender is $20 a month for 50 contacts. If your agent needs to start the conversation, Claw Messenger is the lowest published price at $5 a month for 250 messages and 1 registered number, then Blooio Starter at $39 a month for personal use and ZeroSettle at $49 a month for your own number. Prices checked 6 November 2026.
Is there a free iMessage API?
Yes, with limits. Photon Free covers up to 10 users on shared numbers. Inkbox Free covers 2,000 iMessages a month and 3 recipients at a time, and recipients must text first. Sendblue, Blooio, LoopMessage and Miss Blue have test sandboxes. BlueBubbles is free software but needs a Mac you keep online. Claw Messenger has no free tier; it has a 7-day trial with a card.
What is an affordable iMessage API for a Node.js startup?
Every managed iMessage API here is an HTTPS API, so any Node.js server can use it. Claw Messenger starts at $5 a month, sends over REST and streams replies over a WebSocket, which Node.js 22 supports without extra packages. Photon Pro is $25 a month for up to 100 users who text first. Sendblue publishes an official Node.js SDK but its paid line is $100 a month.
Which iMessage API supports many client accounts?
Claw Messenger Agency costs $199 a month per sub-tenant with 1,000 messages, plus $250 once, and each sub-tenant sends from its own visible number. Blooio, Sendblue, Miss Blue and Photon sell one number per line, from $98 a month (Blooio Inbound, reply-only) to $289, and Sendblue Enterprise is custom-priced.
Does Apple sell an iMessage API?
No. Apple has no public API for ordinary iMessage conversations. Its business channel, Apple Messages for Business, is offered through approved messaging providers, and customers start the conversation. Every other option on this page is a third-party service or self-hosted software.
Sources and method
We read each provider's public pricing or documentation page on 6 November 2026 and copied the published numbers. We did not test rival delivery or support. Prices change often; if a figure here is out of date, tell us and we will fix it.
- Claw Messenger pricing
- Sendblue pricing
- Blooio pricing
- LoopMessage pricing
- Photon pricing
- Inkbox pricing
- ZeroSettle iMessage plans
- Miss Blue pricing
- BlueBubbles FAQ
- Apple Messages for Business documentation
- Sendblue API overview (SDKs, fallback, SOC 2)
- Inkbox iMessage docs
- Twilio Apple Messages for Business and CM.com Apple Messages for Business
Building an AI agent that needs to text people first? Claw Messenger starts at $5 a month, with iMessage, RCS and SMS and no Mac.
Start the 7-day trial