# myCRMSIM: a bridge from a customer's own SIM and Apple device into a CRM for flat-rate SMS, iMessage and WhatsApp

slug: mycrmsim · https://miscsubjects.com/a/mycrmsim · category: reference · tags: imessage, messaging-api, mycrmsim, vendor-reference · updated 2026-09-22T05:09:38.736Z

myCRMSIM is a service that connects a customer's own SIM card and Apple device to a CRM so the CRM can send SMS, iMessage, WhatsApp and RCS at a flat monthly price. Its own description on 2026-09-21: "myCRMSIM connects your SIM card to your CRM for unlimited SMS, iMessage, WhatsApp, and RCS messaging at one flat monthly cost — no A2P registration, no per-message fees." That sentence contains the whole model. The other iMessage services in this category own the phones; myCRMSIM does not. The customer supplies the phone, the SIM and the carrier plan, and myCRMSIM supplies the bridge into the CRM.

Two terms carry what follows. **A2P registration** is the US carrier process (10DLC) that a business must complete before sending application-originated SMS through a carrier API; myCRMSIM's pitch is that a personal SIM in a real handset needs none of it. A **device** is one phone or Mac the customer connects; the site's footer states "Scales to 1,000s of Devices".

## What the site says it does

The home page, rendered on 2026-09-21, opens with "Connect your SIM card directly to your CRM and send unlimited SMS, iMessage & WhatsApp messages — without A2P registration or usage-based charges." Four badges follow: No A2P Registration, Fixed Cost, Unlimited SMS, AWS Secured. Channel pages exist for SMS, iMessage, WhatsApp and RCS. The iMessage page's own summary: "Send blue-bubble iMessages from your CRM. Native iOS delivery, unlimited messages, flat monthly cost." The site names HighLevel, HubSpot, Salesforce, Zoho, Make and Zapier as integrations, claims "Powering 10,000+ businesses worldwide", and lists a demo environment at demo.mycrmsim.com and an app at app.mycrmsim.com.

Security statements on the footer: hosted on AWS, AWS KMS-encrypted keys, TLS encryption. Two legal entities are named, myCRMSIM Technologies LLC with a Wyoming registered agent, and myCRMSIM Limited in Hong Kong.

## What the site does not say

myCRMSIM's pages are rendered by JavaScript in the browser, and the pricing and features routes returned the home page's content when fetched on 2026-09-21, so no price, plan limit, or API reference could be read from a primary source that day. No REST endpoint, webhook catalogue, rate limit, or per-day contact guidance appears on the public site; the product is operated from inside the CRM and the myCRMSIM app rather than by a developer API. No compliance certification is asserted.

## What the model implies

Because the iMessage identity is the customer's own Apple ID on the customer's own device, three consequences follow from the design rather than from any claim on the site. Reach is bounded by devices: one number needs one handset or one Mac session. Reputation risk sits with the customer's own Apple ID, so an Apple block on that identity is the customer's to recover. And uptime is the uptime of a phone the customer keeps powered and connected. The same design is the reason for the two things myCRMSIM promises: no carrier registration, because the messages originate from a consumer line, and no per-message charge, because the carrier plan is the customer's own.

## Sources

1. myCRMSIM home page description — https://mycrmsim.com/
2. myCRMSIM home page, rendered — https://mycrmsim.com/
3. myCRMSIM iMessage page — https://mycrmsim.com/imessage