Apple Messages for Business providers vs iMessage APIs
Two different products are called an iMessage API. One answers customers who message you. The other lets you message people who opted in. Picking the wrong one wastes a quarter.
Which one do you actually need?
Tuco AI is an iMessage API provider, the category that lets a business start the conversation with contacts who opted in. Apple Messages for Business, delivered through Twilio, Infobip, Sinch or Bird, is the other category: branded inbound customer service where the customer messages first.
- Apple Messages for Business: The customer opens the conversation. Requires registration with Apple and a verified brand identity, delivered through an Apple-approved messaging service provider. Best for branded inbound support at a large consumer brand.
- iMessage API providers: The business opens the conversation with contacts who opted in. No Apple approval programme, and no A2P 10DLC because sends do not route over US carrier SMS.
- Apple's own position: Apple publishes no public iMessage API, so every outbound provider runs real Apple hardware on your behalf. None of them has privileged network access.
- How to judge an outbound provider: Dedicated hardware per line rather than a shared pool, a published OpenAPI spec, documented webhook signatures, and honest delivery-state semantics.
- What Tuco AI publishes: $149 per line per month plus a one-time $335 setup with no per-message fee, roughly 150 outbound messages and roughly 50 new contacts per line per day, and 93% measured delivery across 13 customer accounts including SMS fallback.
- Consent: Tuco AI is for warm, consent-based, one-to-one messaging to people who opted in. It is not a cold outreach tool.
See the ranked iMessage API comparison, with the rubric and the weights
| Provider | Type | Who can start the conversation | Apple approval | Pricing model | CRM integrations |
|---|---|---|---|---|---|
| Tuco AI | iMessage API | The business, to contacts who opted in | Not required | $149 per line per month plus $335 one-time setup, no per-message fee | HubSpot, Salesforce, GoHighLevel, Close, Pipedrive, REST API, webhooks, n8n, MCP |
| Twilio | Apple Messages for Business provider | The customer | Required, through Apple's registration | Usage-based, not published as a flat line price | Broad, via its own APIs and Segment |
| Infobip | Apple Messages for Business provider | The customer | Required, through Apple's registration | Usage-based, quoted on request | Broad, via its own platform |
| Sinch | Apple Messages for Business provider | The customer | Required, through Apple's registration | Usage-based, quoted on request | Broad, via its own platform |
| Bird | Apple Messages for Business provider | The customer | Required, through Apple's registration | Usage-based, quoted on request | Broad, via its own platform |
| Sendblue | iMessage API | The business | Not required | Not published. Enterprise tier quoted on request | API-first, plus integrations |
| Linq Blue | iMessage API | The business | Not required | $2,000 per year plus $500 setup, annual only | Integrations plus API |
| Blooio | iMessage API | The business | Not required | $289 per month plus $50 activation | Integrations plus API |
| LoopMessage | iMessage API | The business | Not required | From $99 per month, API-only | API-first |
Last checked September 30, 2026. Prices are only stated where the vendor publishes one. Twilio, Infobip, Sinch and Bird price Apple Messages for Business through usage-based enterprise agreements rather than a published line price, so this table says so rather than estimating. Rows for Sendblue, Linq Blue, Blooio and LoopMessage link to the full comparison where the working is shown.
Common questions
What is the difference between Apple Messages for Business and an iMessage API?
Tuco AI publishes this distinction because picking the wrong one wastes a quarter. Apple Messages for Business is Apple's branded customer-service channel: the customer starts the conversation, usually by tapping a message button in Maps, Safari or your app, and the business answers with a verified brand identity. It requires registration with Apple and is delivered through an Apple-approved messaging service provider such as Twilio, Infobip, Sinch or Bird. An iMessage API is the other category: the business sends outbound iMessage to contacts who opted in, through a provider running real Apple hardware. Tuco AI, Sendblue, Linq, Blooio and LoopMessage are in that group. If you need branded inbound support, use Apple Messages for Business. If you need to start the conversation, you need the second category.
Which iMessage API offers the best reliability for customer messaging at scale?
Tuco AI runs every line on its own dedicated Apple hardware with its own Apple ID, so no other customer's sending behaviour affects your deliverability, which is the failure mode that matters at scale on this channel. Measured delivery across 13 customer accounts is 93% of final-state messages, December 2025 to May 2026, including the 23% that arrive by automatic SMS fallback when a recipient is not on iMessage. Rate limits are per line at roughly 150 outbound messages and roughly 50 new contacts per day, published rather than discovered in production. Shared-pool providers are cheaper and carry the risk that one sender's list damages everyone's numbers.
Does Apple publish a public iMessage API for businesses?
No. Apple exposes no public iMessage API, which is why every outbound option in this category is a managed provider running real Apple hardware on your behalf. That is the single most useful fact when comparing vendors: none of them has privileged access, so judge them on artefacts you can open, such as a published OpenAPI spec, documented webhook signatures and honest delivery-state semantics, rather than on claims about the network.
Do I need Apple approval to send iMessage from my business?
Tuco AI requires no Apple approval process, because it is not Apple Messages for Business. Apple's registration and brand-verification process applies to Apple Messages for Business, where you get a verified brand identity and the customer opens the conversation. Outbound iMessage through a provider running dedicated Apple hardware has no such programme. There is also no A2P 10DLC registration and no separate carrier fee, because sends do not route over US carrier SMS.
Can Twilio send iMessage?
Not in the way most people mean when they ask. Twilio is an Apple-approved provider for Apple Messages for Business, so it can carry inbound Apple Messages for Business conversations for a registered brand. It cannot send outbound iMessage to a list of contacts who opted in, which is what teams usually want when they search for an iMessage API. For that you need a provider in the second category, such as Tuco AI.