SMS vs iMessage
The same message from the same business, as a green bubble and as a blue one. Drag to compare.
Full iMessage support with reactions, attachments, voice memos, typing indicators, read receipts, and more – without the Apple for Business headache or limits.
*Leased number with iMessage capability required
from startups to Fortune 500 companies












Green bubbles get ignored. Your customers have trained themselves to tune out green SMS messages. Blue bubbles get opened. They feel personal, trusted, and native – leading to dramatically higher engagement.
Not a watered-down version. Full iMessage with every feature – reactions, typing, read receipts, and more.
The same message from the same business, as a green bubble and as a blue one. Drag to compare.
React with any emoji, not just the six classic tapbacks. Send and receive custom emoji reactions the same way they show up on iOS and macOS.
Send with slam, confetti, fireworks, invisible ink, and every other iMessage effect. Format text with bold, italics, underline, and strikethrough, straight from the API.
Real-time typing bubbles show you're actively responding. Know exactly when your message was delivered and read, with real-time status via webhooks.
Send and receive high-quality images, videos, documents, voice memos, and files – no compression.
Reach customers in over 180 countries with reliable, instant delivery – without depending on middlemen. Plus, know the message delivered to the device, not just the carrier.
Unlike SMS, iMessage is exempt from carrier fees, A2P 10DLC registration, and the government regulations that make texting a nightmare.
Made a typo? Edit sent messages and the correction appears on their device. Sent the wrong one? Unsend it within 2 minutes.
Green bubbles with "Reply STOP to opt out" scream automated marketing. Your customers have trained themselves to ignore them. Blue bubbles feel personal and get opened.
Typing indicators show you're actively responding. Read receipts confirm you're engaged. iMessage shows you're a human. It feels like texting a friend, not a bot.
Not automated. Not spammy. Just helpful. Blue bubbles make your support messages feel like they're coming from a real person, not a bot.
Contiguity manages millions of daily communications from governments, banks, and other large organizations. We've brought that same infrastructure to iMessage – with even greater reliability.
iMessage delivers directly to devices, not just carriers. Get real delivery confirmation and read receipts – not carrier-level estimates. No iMessage? We fall back to RCS, then SMS/MMS.
POST /send/imessage { "to": "+14155550192", "message": "Your order shipped!", "fallback": { "when": ["imessage_unsupported"] } }
Other providers make you register with Apple, wait weeks for approval, provide human staff, and pay per-contact fees. We don't.
SMS column reflects Contiguity SMS: no A2P 10DLC registration, and tapbacks come through as reactions.