Bandwidth SMS API
Bandwidth SMS API: A usage-priced API for high-throughput, two-way U.S. SMS and MMS workflows. Ranked #3 of 75 in Transactional SMS Software by our editors (9.2/10); pricing: Paid; best for high-throughput U.S. messaging teams.
At a glance
- Editor score9.2 / 10
- PricingPaid
- Best forHigh-throughput U.S. messaging teams
- Free planNo
- Paid from$0.006/unit usage-based
- Pay-as-you-goYes
- Founded1999 · Raleigh, North Carolina, USA
- Facts checked20 Sep 2026
Where it wins
- High-throughput SMS and MMS with inbound and outbound messaging
- Delivery receipts, status callbacks, and webhook retries
- SDKs for Node.js, Java, Ruby, Python, PHP, and C#
Where it doesn't
- API-only product rather than a packaged SMS application
- No free plan for evaluating the service
- Rates vary by U.S. number type, with additional charges possible
Our verdict on Bandwidth SMS API
Bandwidth SMS API is a programmable messaging service for developers and enterprises that need to add SMS and MMS to business applications. It supports notifications, authentication, customer support, operations, surveys, and other workflows through an HTTP API. Inbound and outbound messaging, two-way communication, Unicode, emoji support, and high-throughput messaging make it a fit for teams handling substantial U.S. messaging volumes rather than organizations looking for a standalone texting inbox.
Pricing is usage-based, with published U.S. outbound plans starting at $0.006 per message for U.S. 10DLC SMS and U.S. Short code SMS. Both plans list outbound SMS messaging as their highlight. U.S. Toll-free SMS is priced at $0.0075 per message. The service has no free plan, and carrier fees, taxes, and other charges may apply. These rates give teams a clear starting point for comparing number types, while total messaging costs depend on the selected route and applicable charges.
The platform’s main strength is its delivery and developer workflow. Delivery receipts and status callbacks provide message-state information, while webhook event delivery includes retries. SDKs for Node.js, Java, Ruby, Python, PHP, and C# can support teams working in those languages, and the API approach allows messaging to be embedded into existing applications. Choose Bandwidth SMS API when programmable, two-way, high-throughput U.S. messaging is the priority. Teams wanting a ready-made SMS application or a free evaluation plan should consider a different type of product.
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Bandwidth SMS API pricing
All 3 Bandwidth SMS API plans and prices →
Bandwidth SMS API fact sheet
| Free plan | No |
|---|---|
| Paid from | $0.006/unit usage-based |
| Pay-as-you-go | Yes |
| SMS API | Yes |
| Delivery status | Yes |
| Webhooks | Yes |
| Two-way messaging | Yes |
| Monthly message limit | Not verified |
| Deployment | Cloud |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA, SSO/SAML, 2FA |
| Support | Phone, Tickets, Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | bandwidth.com |
| Facts checked | 20 Sep 2026 |
Alternatives to Bandwidth SMS API
- Twilio Programmable MessagingA broad programmable messaging stack with usage-based pricing and developer-oriented controls.9.4
- AWS End User Messaging SMSA pay-as-you-go SMS API for AWS teams sending monitored global transactions.9.3
- Infobip SMS APIA broad API for global teams managing two-way SMS, MMS, tracking, and campaign workflows.9.1
See all Bandwidth SMS API alternatives →
Bandwidth SMS API vs the competition
- Bandwidth SMS API vs Twilio Programmable Messaging
- Bandwidth SMS API vs AWS End User Messaging SMS
- Bandwidth SMS API vs Infobip SMS API
- Bandwidth SMS API vs Vonage Messages API
- Bandwidth SMS API vs CM.com Business Messaging API
- Bandwidth SMS API vs Sinch SMS API
Compare Bandwidth SMS API with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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