Telnyx review
Telnyx is an SMS API and gateway provider that runs its own carrier network. US local 10DLC messages cost 0.4c each, read September 9, 2026 from Telnyx pricing, with numbers from $1.00 a month. Its trial includes $5 in testing credit, with long code texts limited to one verified number and 100 messages a day, read 22 October 2026. Our overall score is 8.08 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.
Telnyx cost at your volume
$4 in message charges a month, at 0.40c (long code (10DLC))
The same rule prices Telnyx on the versus pages and the price guides. It uses the band, top up or number type your volume reaches, from Telnyx's own US rates read 9 September 2026. The published terms for number rental and carrier fees are in the tables below.
Telnyx scores
| Value for money | 10 | |
|---|---|---|
| Features | 8 | |
| Reliability | 5.5 | |
| Reputation | 7.5 | |
| Compliance | 9.5 | |
| Customer service | 8 | |
| Gateway fit | 9.38 |
Six criteria, equally weighted, each scored out of 10 from Telnyx's own published pages (how we rate). The gateway fit score counts eight published API features and is not part of the overall score.
Telnyx US rates
| As published | Price | How it compares |
|---|---|---|
| Local inc. 10DLC | 0.40c | Lower than 30 of 32 other providers' lowest US rates, level with 1 |
| Toll-Free | 0.55c | Lower than 30 of 32 other providers' lowest US rates |
| Short Code | 0.70c | Lower than 27 of 32 other providers' lowest US rates, level with 2 |
| Long code rental | US local number from $1.00 a month, plus $0.10 a month to enable SMS and MMS. Volume ladder: $0.79, $0.50, $0.39 and $0.25 a month as number counts rise. | Published number rental terms |
| Toll free number rental | US toll-free number from $1.00 a month, plus $0.10 a month for SMS and MMS. 800-prefix numbers are $500 one time for a 12 month commitment, then $40 a month. | Published number rental terms |
Read from Telnyx's own US pricing page on 9 September 2026. By number type. Each row is read against the lowest published US rate of every other provider we price. Source.
Telnyx fees, trial and support
| What | Telnyx | Source |
|---|---|---|
| 10DLC registration fees | Passed through at cost. Brand registration $4.50 ($4 for a Sole Proprietor brand); campaign review $15 per review; monthly campaign fee $1.50 (low volume mixed) to $10 (standard), $3 charity, $5 emergency, $2 Sole Proprietor, billed three months up front then monthly. T-Mobile one-time registration $50; resubmission $15. | Read Source 1 Source 2 |
| Toll-free verification | Required by carriers; self-service through the API or portal, with a stated typical 5 business day approval. Telnyx lists the verification fee as $0. | Read Source 1 Source 2 |
| Carrier fees | Carrier fees are passed through at cost on a separate line. Telnyx's own worked example adds a blended $0.0038 a part in the US: 1,000,000 parts cost $4,000 in Telnyx fees plus $3,800 carrier passthrough, $7,800 in all. Per-carrier fees are published by carrier name. | Read Source 1 |
| MMS rate | MMS $0.015 per message part outbound on local 10DLC numbers, before carrier passthrough. | Read Source 1 |
| Free trial | A trial account with USD $5 in testing credit. Outbound texts are long code only, to one verified number, up to 100 a day, and the trial's local number is reclaimed within 30 days unless you upgrade. Read October 22, 2026. | Read Source 1 |
| Minimum plan or spend | Pay-as-you-go has no minimum commitment and no platform fee. Committed plan minimum $500 a month; Enterprise minimum $5,000 a month. | Read Source 1 Source 2 |
| API and SDKs | REST API at https://api.telnyx.com/v2 with JSON; send, receive, schedule, delivery webhooks and message detail records (reporting); OpenAPI 3.1 spec and 207 Python code examples. Telnyx's SMS API page says SDKs in 5 languages. | Read Source 1 Source 2 Source 3 |
| Smpp | Telnyx's compatibility file declares SMPP 3.4 and 5.0 support, but no bind host, port, credentials or price is documented in its messaging docs, docs index or rate sheet. | Read Source 1 Source 2 |
| Web app | Mission Control Portal for account, numbers, registration and support chat. No campaign builder, contact list manager or drip campaign tool is documented; sending is by API. | Read Source 1 |
| Email to SMS | Not published | Read Source 1 |
| Integrations named | Telnyx's compatibility file names Salesforce, HubSpot, Zapier, Make, Microsoft Teams, Amazon Chime, Asterisk, FreeSWITCH, Kamailio, OpenAI and Twilio migration; its docs add Calendly, LiveKit, the Vercel Chat SDK and the Telnyx CLI. The integrations page describes tools for its Voice AI assistant, not SMS connectors. | Read Source 1 Source 2 |
| Support channels | Live chat in the Mission Control Portal, email (support@telnyx.com), a support center and a public Slack community. The contact page lists phone numbers under 'Talk to a product expert'; its support block offers portal chat and the support center only. | Read Source 1 |
| Support hours | Telnyx advertises 24/7 support. Its plan table gives Pay-as-you-go community support, Committed ($500 a month) priority support, and Enterprise ($5,000 a month) 24/7 premium support. | Read Source 1 Source 2 |
| SOC 2 | Telnyx's compliance file lists SOC 2 Type I, Type II and Type III as active, with the report available under NDA. Telnyx's security page names no certification, and its Trust Center did not load. | Read Source 1 |
| ISO 27001 | Telnyx's compliance file lists ISO 27001:2013 as active and names no certification registrar or certificate number. | Read Source 1 |
| HIPAA | Telnyx's compliance file says a Business Associate Agreement is available for covered entities, covering voice, messaging, fax and AI inference. | Read Source 1 |
| Opt-out handling (TCPA) | Custom opt-in and opt-out keywords and auto-responses, with automatic STOP handling, which Telnyx says support CTIA and TCPA compliance. | Read Source 1 |
| 10DLC registration | Telnyx registers 10DLC brands and campaigns directly with carriers, with no intermediary campaign service provider. | Read Source 1 |
| Founded | 2009 | Read Source 1 |
| Head office | 600 Congress Avenue, Austin, TX 78701 | Read Source 1 |
| Ownership | Telnyx names David Casem as co-founder. No parent company, investor or shareholding structure is published. | Read Source 1 |
| US contracting entity | Telnyx LLC; Texas law governs the terms, with arbitration seated in Austin, Texas. | Read Source 1 Source 2 |
| Coverage | Phone numbers in 130+ countries. Telnyx runs its own carrier network with 45+ carrier licenses and 25+ points of presence. | Read Source 1 Source 2 |
| Uptime or SLA | Telnyx's SLA file states a 99.99% uptime SLA for core voice and messaging services, with monthly measurement and service credit thresholds. Its pricing separately lists custom SLAs on committed plans. Confirm which terms and credits apply to your plan. | Read Source 1 Source 2 |
| Throughput | Account default 50 SMS a second; toll-free 20 messages a second per number; short code 1,000 a second per number; US 10DLC throughput is set per campaign at registration. | Read Source 1 |
| Trustpilot | 3.2 out of 5 from 634 reviews | Read Source 1 |
Not published means Telnyx'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 Telnyx fits
Telnyx fits you when developers build sending into your own software through the REST API at https://api.telnyx.com/v2, with OpenAPI 3.1 and SDKs in 5 languages (September 9, 2026). Pay-as-you-go has no minimum and no platform fee. Carrier fees pass through at cost on a separate line, a blended $0.0038 a part in Telnyx's own US worked example (September 9, 2026).
Telnyx quotes dedicated short codes at $1,000 a month on both of its own pages, read October 4, 2026. The vanity rental conflicts between them. The numbers pricing page lists vanity short code numbers at $1,500 a month. The product FAQ says $2,000 a month, excluding message charges.
Confirm the applicable vanity rental with Telnyx before you commit. Our table of SMS short code prices compares the providers.
When Telnyx does not fit
Look elsewhere when you need a campaign builder without code, contact list manager or drip campaign tool. None is documented and sending is by API, based on the pages read 9 September 2026. Telnyx does not publish email to SMS in that capture.
Telnyx's SLA file states a 99.99% uptime SLA for core voice and messaging services, with monthly measurement and service credit thresholds, read 22 October 2026. Its pricing separately lists custom SLAs on committed plans. Confirm which terms and credits apply to your plan.
Telnyx compared
Telnyx is ranked against the rest of its category: where Telnyx ranks among the best SMS gateway providers in the USA.
Telnyx questions
What is Telnyx SMS pricing?
Telnyx SMS pricing is 0.4c per message on US local 10DLC numbers, 0.55c toll-free and 0.7c short code, read September 9, 2026 from its messaging pricing page. US local numbers rent from $1.00 a month plus $0.10 a month for SMS and MMS.
Does Telnyx have a free trial?
Telnyx provides $5 in testing credit. Outbound trial texts use long codes and go only to one verified number, with a limit of 100 messages a day. The trial number is reclaimed within 30 days unless you upgrade. Read 22 October 2026.
What is Telnyx and what does the SMS API do?
Telnyx is an SMS API and gateway provider, founded 2009, with its own carrier network across 130+ countries (September 22, 2026). The SMS API sends, receives and schedules messages, with delivery webhooks and message detail records, OpenAPI 3.1 spec and 207 Python code examples (September 9, 2026).