Conversations that keep moving

Two-way SMS.
One clear timeline.

Business messaging designed around customer context. Compose, receive and follow conversations, with individual user allowances measured in SMS segments.

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Product preview · Activation opens soon

Messaging essentials

Every message has context.

Delivery states depend on the information returned by the messaging provider.

Two-way conversations

Receive replies and follow incoming and outgoing messages in a unified contact timeline.

Segment awareness

Long messages and Unicode characters can consume more than one segment. Your allowance is measured in segments.

Explore Segment awareness

Responsible sending

Outbound messaging requires the applicable sender approval, consent and opt-out handling.

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A useful preview

Understand SMS segments.

Try a sample message below. This tool estimates segments locally; it does not send a message.

Sample message

Use sample text. Standard multipart SMS uses 153 GSM-7 units or 67 Unicode units per segment. US/Canada toll-free SMS uses 152 or 66. This preview uses the standard limits and does not apply Smart Encoding.

Local estimate · Nothing sent

SMS segments

Encoding units

GSM-7

Estimated encoding

Segment reference: Twilio SMS character limits ↗

Pick your messaging window

Daily, weekly or monthly.

300 segments for one day, 1,000 for seven days, or 3,000 for 30 days. Calling + messaging plans also include SMS allowances.

Text on your terms.

See all five per-user plans and their validity periods.

Find your plan