Kudosity (formerly BurstSMS) review
Kudosity (formerly BurstSMS) is an SMS API and gateway provider whose US per message rate runs from 1.9c on the Starter tier to 1c on the Business tier of up to 99,999 messages a month (read September 8, 2026). BurstSMS now trades as Kudosity. A 14-day trial with limited credit sends only to your sign-up number. We score it 8.17 out of 10.
Alain Grossbard OAM, with Justin Grossbard Updated How we rate Reader supported, we may earn a commission Reader supported. We may earn a commission when you sign up through a link on this page, and it never changes a score. How we make money.
Kudosity cost at your volume
$19 in message charges a month, at 1.90c (Starter (up to 1,499 messages))
The same rule prices Kudosity on the versus pages and the price guides: the band, top-up or number type your volume reaches, from Kudosity's own US rates read 8 September 2026. Number rental and carrier fees are billed on top and sit in the tables below.
Kudosity scores
| Value for money | 4 | |
|---|---|---|
| Features | 10 | |
| Reliability | 7 | |
| Reputation | 9.5 | |
| Compliance | 8.5 | |
| Customer service | 10 |
Six criteria, equally weighted, each scored out of 10 from Kudosity's own published pages (how we rate).
Kudosity US rates
| As published | Price | How it compares |
|---|---|---|
| Starter (up to 1,499 messages) | 1.90c | Lower than 10 of 32 other providers' lowest US rates, level with 2 |
| Entry (up to 24,999 messages) | 1.50c | Lower than 13 of 32 other providers' lowest US rates, level with 1 |
| Advanced (up to 49,999 messages) | 1.10c | Lower than 15 of 32 other providers' lowest US rates |
| Business (up to 99,999 messages) | 1.00c | Lower than 15 of 32 other providers' lowest US rates, level with 2 |
| Long code rental | $25 a month | Billed on top of message charges |
| Toll-free number rental | $5 a month | Billed on top of message charges |
Read from Kudosity's own US pricing page on 8 September 2026. By monthly volume. Each row is read against the lowest published US rate of every other provider we price. Source.
Kudosity fees, trial and support
| What | Kudosity | Source |
|---|---|---|
| Us pricing page | US prices are the United States block of kudosity.com/pricing/global, in US dollars excluding taxes. kudosity.com/pricing is the Australian page in Australian dollars and is not the US offer. | Read Source 1 |
| 10DLC registration fees | Not published | Read Source 1 |
| Toll-free verification | Toll-free numbers go through a US pre-registration form before sending; no verification fee is published (toll-free number has no setup fee). | Read Source 1 |
| Carrier fees | Included in the per-message price for 10DLC and toll-free; no separate carrier surcharge. | Read Source 1 |
| Free trial | 14-day trial with a limited amount of credit (amount not stated). Trial accounts can only send to the mobile number given at sign-up, and the message text is replaced by a demo message. | Read Source 1 |
| Minimum plan or spend | No minimum monthly spend and no platform fee; pay as you go, with postpaid contracts on request. | Read Source 1 |
| Credit expiry | Purchased credit must be used within 365 days; refunds of unused credit carry a $50 processing fee. | Read Source 1 |
| API and SDKs | Yes, REST API (send endpoint api.transmitsms.com/send-sms.json, HTTP Basic auth). No SDK or client library is named in the developer docs read; the first-send guide gives cURL and PowerShell samples only. | Read Source 1 |
| Web app | Yes, a web SMS platform comes with every account; upload a contact list and send a campaign from the browser. | Read Source 1 |
| Email to SMS | Yes, send to mobilenumber@transmitsms.com from authorised email addresses. | Read Source 1 |
| Integrations named | Salesforce, HubSpot, Zoho, Zoho Desk, Oracle Responsys, Oracle Eloqua, Shopify, ActiveCampaign, JobAdder, Zapier, Make, Bubble | Read Source 1 |
| Support channels | Phone (US line +1 888 426 0999), email, live chat on the website and a help desk ticket portal. | Read Source 1 |
| Support hours | First-line support 24/7/365; escalation tiers work Sydney business hours on weekdays (Tier 2 8am to 8pm, Tier 3 9am to 5pm Sydney time). | Read Source 1 |
| SOC 2 | SOC 2 Type II (the provider's own feature pages elsewhere say Type I). | Read Source 1 |
| ISO 27001 | ISO/IEC 27001:2022 certified. | Read Source 1 |
| HIPAA | Not published | Read |
| GDPR | The privacy policy names Known Pty Ltd as data controller under the GDPR and says EU data leaving the EEA moves on adequacy decisions or EU Model Clauses. It is a privacy-policy statement, not a certification. | Read Source 1 |
| Opt-out handling (TCPA) | The compliance policy binds US senders to the TCPA, the Telemarketing Sales Rule and the CTIA Messaging Principles, with required message content for promotional sends. | Read Source 1 |
| 10DLC registration | 10DLC numbers need registration before sending, with a stated lead time of up to 14 weeks; short codes 3 to 4 months. | Read Source 1 |
| Founded | 2010 | Read Source 1 |
| Head office | Sydney, Australia (Level 10, 60 Carrington Street). No US office is published. | Read Source 1 |
| Ownership | Operated by Known Pty Ltd (Australia), which renamed Burst SMS to Kudosity in a rebrand announced 16 November 2023. The provider says it is 100% Australian-owned. burstsms.com now redirects to kudosity.com. | Read Source 1 |
| Uptime or SLA | 99.9% monthly platform uptime target in the SLA, on a commercially reasonable efforts basis; service credits are at the provider's discretion, so it is not a contractual guarantee with committed credits. Marketing pages call it a "99.9% uptime guarantee". | Read Source 1 |
| Trustpilot | 4.9 out of 5 from 146 reviews | Read Source 1 |
Not published means Kudosity's own pages were checked on that day and state no figure. Nothing here is carried over from the earlier version of this review.
When Kudosity fits
Kudosity fits a US business sending above 49,999 messages a month, where the per message rate drops to 1c at the Business tier (read September 8, 2026). Developers get a REST API, and every account includes a web SMS platform plus email to SMS. Its "SMS for Government & Politics" page is about government departments, with voting alerts and a consent note as the only political content, read September 28, 2026, a nuance our political text messaging guide records. Carrier fees are already in the 10DLC and toll-free per message price (read September 22, 2026). With no minimum monthly spend and first-line support 24/7/365, it suits pay-as-you-go budgets.
When to look elsewhere
Avoid Kudosity for low volumes: the Starter tier charges 1.9c per message (read September 8, 2026). A 10DLC number needs registration with a lead time of up to 14 weeks, and short codes take 3 to 4 months (read September 9, 2026), so urgent launches stall. Purchased credit expires after 365 days and refunds carry a $50 fee (read September 9, 2026). Kudosity does not publish its 10DLC campaign fees as of September 22, 2026.
Kudosity compared
Kudosity is ranked against the rest of its category: where Kudosity ranks among the best bulk SMS providers in the USA.
Kudosity questions
What is Burst SMS pricing per message?
Burst SMS pricing now runs 1.9c per message on the Starter tier and 1c at the Business tier of up to 99,999 messages a month (read September 8, 2026).
Does Kudosity offer a free trial?
Kudosity does offer a free trial: 14 days with a limited amount of credit, sending only to your sign-up number with a demo message (read September 22, 2026).
Why did Burst SMS become Kudosity?
Burst SMS became Kudosity in a rebrand announced 16 November 2023 by owner Known Pty Ltd, and burstsms.com now redirects to kudosity.com (read September 22, 2026).