Availability signal
Separate likely iMessage-enabled numbers from numbers that should use SMS, RCS, or another fallback.
A must-have pre-validation layer for US marketing teams that route messages across iMessage, RCS, and SMS.
bulkchecker.io helps teams identify numbers that are likely reachable through iMessage before campaigns, so routing decisions are cleaner and SMS fallback is easier to plan.
Validate the business fit before committing budget. The trial is designed to show coverage, output quality, and export format on a real US messaging sample.
Enough lookups to evaluate iMessage coverage.
iMessage, fallback, unknown, and review states.
Move to paid bulk verification only when ready.
iMessage detection verifies whether a phone number is likely reachable through Apple's iMessage channel before your team chooses a delivery route.
Separate likely iMessage-enabled numbers from numbers that should use SMS, RCS, or another fallback.
Use the result as a pre-campaign signal, not as a message-sending product by itself.
Run list hygiene and channel planning without sending a visible message to the verified number.
In the US, many customers are used to Apple Messages as their daily texting experience. Detecting iMessage availability helps teams plan routing before sending.
Split lists by likely delivery channel before you upload campaigns or assign routing rules.
Know which numbers need SMS or RCS fallback before you spend budget on sends.
Prioritize blue-bubble reachability where Apple Messages is central to customer communication.
Upload numbers, detect iMessage availability, then export route-ready segments for messaging operations.
Upload CSV or TXT files from CRM, lead vendors, or campaign exports.
Classify each number as likely iMessage, fallback route, unknown, or review.
Download route-ready files for campaign planning, suppression, and channel assignment.
Use iMessage detection when routing quality matters before outbound messaging, CRM enrichment, or US-first campaign planning.
Route via iMessage when possible and keep SMS or RCS fallback ready for the rest of the list.
Segment numbers before upload so operations teams can reduce wasted sends and routing mistakes.
Add an Apple-channel signal to CRM enrichment, lead scoring, and US customer routing logic.
Upload large US CSV or TXT contact lists, run iMessage detection in bulk, and export channel-ready segments for your campaign operations team.
Start bulk verificationSimple pricing for US-first messaging teams that need channel availability before campaign sends.
Bulk iMessage availability lookups with CSV/TXT import and export.
Higher monthly list volumes and team workflows.
Dedicated support, reporting, and data handling requirements.
Add iMessage availability verification to routing rules, campaign builders, CRM enrichment, and phone intelligence workflows.
POST /v1/carrier
{
"phone": "+14155550198",
"include_imessage": true
}
View carrier lookup API
Sendblue and LoopMessage are built around sending and receiving iMessage conversations. bulkchecker.io focuses on pre-send availability detection and bulk route segmentation.
Best when you need to verify iMessage availability before campaigns, segment CSV/TXT lists, and enrich routing data.
Best when your team needs an iMessage messaging API, CRM workflow, replies, and channel fallback after validation.
Best when you want a unified API that can operate across iMessage, SMS/RCS, and WhatsApp channels.
Answers about accuracy, privacy, channel differences, and sending.