Business SMS & CPaaS
Business texting and Communications Platform as a Service (CPaaS) let you send SMS/MMS, WhatsApp and voice from apps, CRMs and workflows — from two-way customer texting to automated alerts, reminders and marketing campaigns.
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| Provider | 360 Score | Best for | Starting price | Video | SMS | Contact center | AI | Min seats | Action |
|---|---|---|---|---|---|---|---|---|---|
| RingCentral | 9.2Exceptional | Growing teams that want an all-in-one UCaaS platform | $20/user/mo (annual) source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Nextiva | 9.0Exceptional | Small and mid-size businesses that value support | $15/user/mo (annual) source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Dialpad | 8.9Excellent | Sales and support teams wanting built-in AI | $15/user/mo (annual) source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Zoom Phone | 8.7Excellent | Teams already using Zoom meetings | $10.50/user/mo metered (annual) source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Quo (formerly OpenPhone) | 8.7Excellent | Startups and small teams sharing numbers | $15/user/mo (annual) source |
✗ | ✓ | ✗ | ✓ | 1 | |
| Ooma Office | 8.6Excellent | Small businesses and storefronts wanting simplicity | $19.95/user/mo (no contract) source |
✓ | ✓ | ✗ | ✗ | 1 | |
| 8x8 | 8.5Excellent | Multi-national companies needing global calling | Quote-based source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Vonage Business | 8.4Very good | Businesses wanting flexible APIs plus UCaaS | $17.99/line/mo (annual) source |
✓ | ✓ | ✓ | ✓ | 1 | |
| Aircall | 8.3Very good | Sales and support call teams on a CRM | $30/license/mo (min 3) source |
✗ | ✓ | ✓ | ✓ | 3 | |
| GoTo Connect | 8.2Very good | SMBs wanting phone + meetings + visual call flows | Quote-based source |
✓ | ✓ | ✓ | ✓ | 1 | |
| CloudTalk | 8.1Very good | Outbound sales teams and EU-based call centers | €19/user/mo (annual) source |
✗ | ✓ | ✓ | ✓ | 1 | |
| Google Voice | 8.0Very good | Google Workspace teams wanting basic calling | $10/user/mo + Workspace source |
✓ | ✓ | ✗ | ✓ | 1 | |
| JustCall | 8.0Very good | SMB sales teams that text and call from a CRM | $29/user/mo (annual, min 2) source |
✗ | ✓ | ✓ | ✓ | 2 | |
| Grasshopper | 7.8Good | Solopreneurs needing a virtual business number | $14/mo (annual, 1 user) source |
✗ | ✓ | ✗ | ✗ | 1 |
Prices are public starting prices checked Sep 30, 2026 (annual billing where noted) and exclude taxes/fees. Features vary by plan. Some prices come from third-party pricing guides — verify on the vendor site. Scores are editorial; see methodology.
Other notable platforms
CPaaS APIs for SMS, voice, WhatsApp, verify
Communications APIs with UCaaS pairing
Global messaging APIs
Cost-focused SMS & voice APIs
Shared SMS inboxes for small teams
Bulk and automated sales SMS
What to look for
- 10DLC / toll-free verification support
- Two-way shared inboxes
- Opt-in / opt-out (STOP) compliance tooling
- APIs and webhooks
- Per-segment pricing and carrier fees
- Delivery reporting
- Templates, scheduling and automations
- WhatsApp / RCS readiness
Typical pricing
API SMS in the US commonly costs a fraction of a cent to about 1–2 cents per segment plus carrier pass-through fees; campaign platforms charge monthly plans plus usage. See our SMS cost estimator.
FAQ
What does business sms & cpaas cost?
API SMS in the US commonly costs a fraction of a cent to about 1–2 cents per segment plus carrier pass-through fees; campaign platforms charge monthly plans plus usage. See our SMS cost estimator.
How do I compare providers fairly?
Compare the all-in monthly total (seats × plan + add-ons + numbers + taxes/fees) for the same feature set, over the same contract length. Our True Cost Calculator helps.
Can I get multiple quotes at once?
Yes. Our free quote service matches your requirements with up to five providers so you can compare offers side by side.