Telnyx
Telnyx, based in Austin, sells SMS and MMS through its Messaging API, one-time codes through Telnyx Verify, WhatsApp messaging as a WhatsApp BSP and transactional email through an Email API that is in beta. All four are billed pay-as-you-go in USD, with a $5 trial credit and no free-forever tier.
Transactional emailSMSOTP & verificationWhatsApp Business API
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Strengths, weaknesses and fit
Strengths
- Cheaper than most peers for Transactional email ($3.00 vs median $15.00 for 10,000 emails / month)
- Cheaper than most peers for SMS ($6.60 vs median $10.95 for 1,000 outbound SMS / month)
- Cheaper than most peers for OTP & verification ($34.00 vs median $52.74 for 1,000 SMS verifications / month)
- Official MCP server
- Official agent skills published
- Signed webhooks with replay protection
- OAuth 2.0, including access on behalf of other users' accounts
- Official SDKs in 6 languages
Weaknesses
- No permanent free tier
Not a fit if…
- you need to run in production without paying
Generated from threshold rules over the dated facts below, not written by hand. Rules with unverified inputs are skipped.
Transactional email: Telnyx Email API
checked| Support | NativeOfficial docsEmail API Overview |
|---|---|
| Outbound | YesOfficial docsEmail API Guide (sending) |
| Inbound | YesOfficial docsManage Email InboxesEmail API Pricing (beta) |
| SMTP relay | NoOfficial docsEmail documentation indexMigrate email to Telnyx |
| Inbound parsing | YesOfficial docsManage Email InboxesEmail Webhooks & Events |
| Templates | YesOfficial docsEmail Templates |
| Event webhooks | YesOfficial docsEmail Webhooks & Events |
| Suppression mgmt | YesOfficial docsEmail Suppressions & Unsubscribes |
| Dedicated IP | PartialOfficial docsEmail Deliverability & Warm-upTelnyx pricing (canonical Markdown rate sheet) |
| Scheduling | YesOfficial docsEmail API Guide (sending) |
| Attachments | YesOfficial docsEmail Rate Limits & Quotas |
| Payment notifications | NoOfficial docsEmail documentation index |
| Native payment-provider integration | NoOfficial docsEmail documentation index |
| Country | Availability | Payment scenarios |
|---|---|---|
| United States | YesOfficial docsEmail API Pricing (beta)Email API Overview | PartialOfficial docsEmail TemplatesEmail documentation index |
| Brazil | YesOfficial docsEmail API Pricing (beta)Email API Overview | PartialOfficial docsEmail TemplatesEmail documentation index |
| Mexico | YesOfficial docsEmail API Pricing (beta)Email API Overview | PartialOfficial docsEmail TemplatesEmail documentation index |
SMS: Telnyx Messaging API (SMS/MMS)
checked| Support | NativeOfficial docsChoosing a Sender Type |
|---|---|
| Outbound | YesOfficial docsSend a message (API reference) |
| Inbound | YesOfficial docsMessaging webhooks |
| Two-way messaging | YesOfficial docsMessaging webhooksTelnyx global coverage (country capability data) |
| Delivery receipts | YesOfficial docsMessaging webhooks |
| Sender types | YesOfficial docsChoosing a Sender TypeInternational SMS Compliance Guide |
| Number provisioning via API | YesOfficial docsTelnyx developer docs llms.txtGlobal Numbers Pricing |
| Sender registration support | YesOfficial docsGetting Started with 10DLCToll-Free Verification |
| Opt-out handling | YesOfficial docsOpt-In/Out Management |
| MMS / RCS | YesOfficial docsSMS API PricingTelnyx pricing (canonical Markdown rate sheet) |
| Scheduling | YesOfficial docsSchedule Messages |
| Segment and Unicode rules documented | YesOfficial docsMessage Encoding |
| Payment links in messages | PartialOfficial docsInternational SMS Compliance Guide |
| Native payment-provider integration | NoOfficial docsPay over VoiceMessaging SMS & MMS documentation index |
| Country | Availability | Sender types | Restrictions | Payment scenarios |
|---|---|---|---|---|
| United States | YesOfficial docsChoosing a Sender TypeSMS API Pricing | A2P 10DLC long code (registration required), toll-free (verification required), short codeOfficial docsInternational SMS Compliance GuideChoosing a Sender Type | 10DLC registration is required for A2P long-code traffic, and unregistered traffic carries higher carrier fees. New toll-free verification requests must include Business Registration Number fields from 17 February 2026. T-Mobile passes through fines such as $10,000 per content violation and $1,000 for 10DLC program evasion. STOP is mandatory under TCPA and CTIA guidelines.Official docsInternational SMS Compliance GuideToll-Free Verification | YesOfficial docsInternational SMS Compliance Guide |
| Brazil | YesOfficial docsTelnyx global coverage (country capability data)International SMS Compliance Guide | alphanumeric sender ID (registration recommended; one-way), long code, short codeOfficial docsInternational SMS Compliance GuideAlphanumeric Sender ID | LGPD consent with a specific purpose, an easy opt-out, quiet hours 9 PM–9 AM (described as industry standard), Portuguese content, and full terms in price or offer messages. Sender ID registration is recommended for deliverability.Official docsInternational SMS Compliance Guide | — |
| Mexico | YesOfficial docsTelnyx global coverage (country capability data)International SMS Compliance Guide | alphanumeric sender ID (one-way), long code, short codeOfficial docsInternational SMS Compliance GuideAlphanumeric Sender ID | LFPDPPP consent, sender identity in the message and an opt-out mechanism in the privacy notice; Telnyx lists no legal time restrictions.Official docsInternational SMS Compliance Guide | — |
OTP & verification: Telnyx Verify API
checked| Support | NativeOfficial docsTelnyx Verify API |
|---|---|
| Outbound | YesOfficial docsTelnyx Verify API |
| Channels sms | YesOfficial docsTelnyx Verify API |
| Channels whatsapp | YesOfficial docsTelnyx Verify APIVerify API Pricing |
| Channels voice | YesOfficial docsTelnyx Verify API |
| Channels email | NoOfficial docsTelnyx Verify API |
| Managed codes | YesOfficial docsTelnyx Verify API |
| Fraud protection | PartialOfficial docsTelnyx Verify APIVerify rate limiting and fraud prevention |
| Rate limiting | PartialOfficial docsTelnyx Verify APIVerify rate limiting and fraud prevention |
| Silent network auth | YesVendor claimVerify API Pricing |
| Localized templates | YesOfficial docsCustom templates for Telnyx Verify |
| Country | Availability |
|---|---|
| United States | YesOfficial docsTelnyx Verify APITrial Account Privileges & Limitations |
| Brazil | — |
| Mexico | — |
WhatsApp Business API: Telnyx WhatsApp Business API
checked| Support | NativeOfficial docsWhatsApp Embedded SignupWhatsApp Pricing |
|---|---|
| Outbound | YesOfficial docsSend WhatsApp Messages |
| Inbound | YesOfficial docsSend Your First WhatsApp Message |
| Official Meta partner | YesOfficial docsWhatsApp PricingWhatsApp Embedded Signup |
| Embedded signup | YesOfficial docsWhatsApp Embedded SignupWhatsApp Tech Provider Embedded Signup |
| Template API | YesOfficial docsManage WhatsApp Templates |
| Interactive messages | YesOfficial docsSend WhatsApp Messages |
| Media messages | YesOfficial docsSend WhatsApp Messages |
| Flows | NoOfficial docsSend WhatsApp Messages |
| Inbound webhooks | YesOfficial docsSend Your First WhatsApp Message |
| Payment links in messages | YesOfficial docsSend WhatsApp MessagesManage WhatsApp Templates |
| In-chat payments | NoOfficial docsSend WhatsApp Messages |
| Native payment-provider integration | NoOfficial docsPay over Voice |
| Country | Availability | Payment scenarios |
|---|---|---|
| United States | YesOfficial docsWhatsApp Meta pass-through rates (CSV linked from the pricing page) | YesOfficial docsSend WhatsApp Messages |
| Brazil | YesOfficial docsWhatsApp Meta pass-through rates (CSV linked from the pricing page) | YesOfficial docsSend WhatsApp Messages |
| Mexico | YesOfficial docsWhatsApp Meta pass-through rates (CSV linked from the pricing page) | YesOfficial docsSend WhatsApp Messages |
Telnyx pricing
checkedPrices as printed on the vendor's pages, in the vendor's currency. Scenario totals are computed from the listed components; carrier and Meta pass-through fees are shown separately and are not in the totals.
Transactional email
Same prices in United States, Brazil and Mexico.
| Plan | Price | Source |
|---|---|---|
| Email API pay as you go (beta rates) | $0.0003 / email | Official docs checked |
- 10,000 emails / month: $3.00 on Email API pay as you go (beta rates)
- 100,000 emails / month: $25.00 on Email API pay as you go (beta rates)
SMS
| Plan | United States | Brazil | Mexico | Source |
|---|---|---|---|---|
| Pay as you go | $0.0040 / sms segment A2P 10DLC long code Local number: $1.00 SMS/MMS capability on the number: $0.1000 A2P 10DLC campaign fee, Low Volume Mixed (lowest listed): $1.50 US carrier fees (10DLC long code) (not in totals) | $0.0540 / sms segment outbound to Brazil | $0.0910 / sms segment long code, outbound to Mexico Mexico local number (from $5/month): $5.00 SMS/MMS capability on the number: $0.1000 | Official docs
checked |
- 1,000 outbound SMS / month: United States $6.60 on Pay as you go (A2P 10DLC long code) · Brazil $54.00 on Pay as you go (outbound to Brazil) · Mexico $96.10 on Pay as you go (long code, outbound to Mexico)
OTP & verification
| Plan | United States | Brazil and Mexico | Source |
|---|---|---|---|
| Verify pay as you go | $0.0340 / verification SMS channel US carrier fees on the SMS leg (not in totals) | — | Official docs checked |
- 1,000 SMS verifications / month: United States $34.00 on Verify pay as you go (SMS channel)
WhatsApp Business API
| Plan | United States | Brazil | Mexico | Source |
|---|---|---|---|---|
| Pay as you go | $0.0040 / whatsapp message Meta per-message fee (United States) (not in totals) | $0.0040 / whatsapp message Meta per-message fee (Brazil) (not in totals) | $0.0040 / whatsapp message Meta per-message fee (Mexico) (not in totals) | Official docs
checked |
- 1,000 utility template messages / month: United States $4.00 on Pay as you go · Brazil $4.00 on Pay as you go · Mexico $4.00 on Pay as you go
- 10,000 utility template messages / month: United States $40.00 on Pay as you go · Brazil $40.00 on Pay as you go · Mexico $40.00 on Pay as you go
Transactional email: free access
Free forever: NoneOfficial docsEmail API Pricing (beta)
Trial: See detailsOfficial docsTrial Account Privileges & LimitationsEmail API Guide (sending)
· General trial credit ('USD $5 in testing credit'). The trial page lists no Email API limits ('Full access except otherwise specified'). The Email API also offers sandbox sends (never delivered) and a shared sending domain with no DNS setup.
SMS: free access
Free forever: NoneOfficial docsSMS API PricingTrial Account Privileges & Limitations
Trial: See detailsOfficial docsTrial Account Privileges & LimitationsUsing Your Trial Account
· USD $5 testing credit. Outbound only on long codes, only to the one verified number, capped at 100 messages a day; one messaging profile; one local number order per trial lifetime, reclaimed within 30 days if the account is not upgraded.
OTP & verification: free access
Free forever: NoneOfficial docsVerify API PricingTrial Account Privileges & Limitations
Trial: See detailsOfficial docsTrial Account Privileges & Limitations
· Shares the $5 trial credit. SMS channel only, one Verify profile, destination limited to the verified number, maximum 50 verifications a day.
WhatsApp Business API: free access
Free forever: NoneOfficial docsWhatsApp Pricing
Trial: See detailsOfficial docsTrial Account Privileges & LimitationsWhatsApp Embedded Signup
· card required · The trial page lists no WhatsApp limits, but Embedded Signup requires a valid payment method and an account with messaging enabled.
Developer & AI readiness
checkedWebhook signatures
Signed, with replay protection
Official docs
Agent skills
OfficialOfficial docsBuilt-in AI features
AI inside the product, not an API for building your own.
- AI chatbotYesOfficial docs
- Answers from your knowledge baseYesOfficial docs
- AI APIYesOfficial docs
- AI personalizationPartialOfficial docs
- AI analyticsYesOfficial docs
- Ready-made AI agentYesOfficial docs
Sources: AI Assistant conversation keying (channels) · AI documentation index (inference, embedding, assistants) · No-code Voice Assistant · Telnyx pricing (canonical Markdown rate sheet) · checked
No-code and manual editing
| Workflow builder | PartialOfficial docsAI Assistant Conversation WorkflowsMessaging SMS & MMS documentation index |
|---|---|
| Chatbot builder | YesOfficial docsNo-code Voice AssistantAI Assistant Conversation Workflows |
| Edit code and visual together | YesOfficial docsAI Assistant Conversation Workflows |
Works with AI app builders
Server code needed on every builder: YesOfficial docsAPI authenticationWebhook fundamentals
| Platform | Native integration | Official guide | Secrets |
|---|---|---|---|
| Claude Code | YesOfficial docsteam-telnyx/ai (skills, plugins, MCP config)Telnyx Remote MCP | github.com/team-telnyx/aiOfficial docsteam-telnyx/ai (skills, plugins, MCP config) | Environment variable TELNYX_API_KEY (TELNYX_PUBLIC_KEY for webhook verification)Official docsAPI authenticationWebhook fundamentals |
| Cursor | PartialOfficial docsteam-telnyx/ai (skills, plugins, MCP config) | github.com/team-telnyx/aiOfficial docsteam-telnyx/ai (skills, plugins, MCP config) | — |
| Replit | NoOfficial, otherReplit Agent integrations | — | — |
| Lovable | NoOfficial, otherLovable docs index (integrations list) | — | — |
Paying and getting support locally
How customers pay the provider itself — separate from payment scenarios for your buyers.
United States
| Billing methods | credit card, PayPal, Bitcoin, ACH Direct Debit (US bank account)Official docsBilling Setup & Billing GroupsACH Direct Debit Payment Method |
|---|---|
| Local payment methods | ACH Direct DebitOfficial docsACH Direct Debit Payment Method |
| Billing currencies | USDOfficial docsTelnyx pricing (canonical Markdown rate sheet)ACH Direct Debit Payment Method |
| Local entity / tax invoice | YesOfficial docsAbout Telnyx (company facts)Telnyx Data Processing Addendum (Version 3.0) |
| Interface languages | enOfficial, otherSMS API PricingAbout Telnyx (company facts) |
| Docs languages | enOfficial docsTelnyx developer docs llms.txt |
| Support languages | enOfficial docsWhere is Telnyx located? |
| Support phone | See detailsOfficial docsAbout Telnyx (company facts)Where is Telnyx located? |
| Local office | YesOfficial docsAbout Telnyx (company facts) |
Brazil
| Billing methods | credit card, PayPal, Bitcoin, ACH Direct Debit (US bank account)Official docsBilling Setup & Billing GroupsACH Direct Debit Payment Method |
|---|---|
| Local payment methods | NoneOfficial docsBilling Setup & Billing Groups |
| Billing currencies | USDOfficial docsTelnyx pricing (canonical Markdown rate sheet)ACH Direct Debit Payment Method |
| Interface languages | enOfficial, otherSMS API PricingAbout Telnyx (company facts) |
| Docs languages | enOfficial docsTelnyx developer docs llms.txt |
| Support languages | enOfficial docsWhere is Telnyx located? |
Mexico
| Billing methods | credit card, PayPal, Bitcoin, ACH Direct Debit (US bank account)Official docsBilling Setup & Billing GroupsACH Direct Debit Payment Method |
|---|---|
| Local payment methods | NoneOfficial docsBilling Setup & Billing Groups |
| Billing currencies | USDOfficial docsTelnyx pricing (canonical Markdown rate sheet)ACH Direct Debit Payment Method |
| Interface languages | enOfficial, otherSMS API PricingAbout Telnyx (company facts) |
| Docs languages | enOfficial docsTelnyx developer docs llms.txt |
| Support languages | enOfficial docsWhere is Telnyx located? |
Compliance & data protection
checkedWhat the vendor documents publicly. This is not a legal assessment and not a certification.
| Data processing agreement | YesOfficial docsTelnyx Data Processing Addendum (Version 3.0)Data & privacy |
|---|---|
| Subprocessor list | YesOfficial docsAppendix III — Subprocessor listTelnyx Data Processing Addendum (Version 3.0) |
| Data residency options | PartialOfficial docsData LocalityData & privacy |
| Residency regions | US (default), EU (Germany), APAC (Australia), Middle East (UAE)Official docsData Locality |
| Transfer mechanisms | EU Standard Contractual Clauses (Decision (EU) 2021/914), UK International Data Transfer Addendum, EU-U.S. Data Privacy Framework, UK Extension and Swiss-U.S. DPFOfficial docsTelnyx Data Processing Addendum (Version 3.0) |
| Security documentation | SOC 2 Type II, ISO/IEC 27001, ISO/IEC 27701:2019, PCI DSS, HIPAA (BAA)Official, otherTelnyx securityTelnyx pricing (canonical Markdown rate sheet) |
| Use of customer data for AI training | YesOfficial docsTelnyx Data Processing Addendum (Version 3.0)Telnyx AI-Enabled Services Addendum v2.0 |
| Local law page (BR) | PartialOfficial docsTelnyx Data Processing Addendum (Version 3.0)International SMS Compliance Guide |
How the rating is built
| Criterion | Weight | Result | Basis |
|---|---|---|---|
| Pricing & Free Tier (25) | 70.0 / 100coverage 100 % | ||
| Free access (transactional-email) | 3.13 | 20 % | no free-forever tier; trial or creditssrcsrcsrc |
| Scenario price (transactional-email) | 2.50 | 100 % | 10,000 emails / month: USD 3.00 vs peer median USD 15.00 (13 providers); 100,000 emails / month: USD 25.00 vs peer median USD 74.85 (13 providers)srcsrc |
| Pricing transparency (transactional-email) | 0.63 | 100 % | public self servesrcsrc |
| Free access (sms) | 1.56 | 40 % | no free-forever tier; trial or creditssrcsrcsrc |
| Scenario price (sms) | 3.75 | 89 % | 1,000 outbound SMS / month: USD 6.60 vs peer median USD 10.95 (9 providers)srcsrcsrc |
| Pricing transparency (sms) | 0.94 | 100 % | public self servesrcsrcsrc |
| Free access (otp) | 1.56 | 40 % | no free-forever tier; trial or creditssrcsrc |
| Scenario price (otp) | 3.75 | 85 % | 1,000 SMS verifications / month: USD 34.00 vs peer median USD 52.74 (7 providers)srcsrcsrc |
| Pricing transparency (otp) | 0.94 | 100 % | public self servesrcsrcsrc |
| Free access (whatsapp) | 1.56 | 40 % | no free-forever tier; trial or creditssrcsrcsrc |
| Scenario price (whatsapp) | 3.75 | 67 % | 1,000 utility template messages / month: USD 4.00 vs peer median USD 4.50 (6 providers); 10,000 utility template messages / month: USD 40.00 vs peer median USD 45.00 (6 providers)srcsrcsrc |
| Pricing transparency (whatsapp) | 0.94 | 100 % | public self servesrcsrcsrc |
| Developer & AI Readiness (28) | 89.7 / 100coverage 93 % | ||
| MCP | 7.70 | 100 % | official (both)srcsrcsrc |
| Agent skills | 2.10 | 100 % | officialsrcsrc |
| Llms.txt | 0.70 | 100 % | publishedsrc |
| OpenAPI | 0.70 | 100 % | publishedsrcsrc |
| AI docs | 0.70 | 100 % | publishedsrcsrc |
| Scoped keys | 1.40 | 50 % | partialsrcsrcsrc |
| OAuth | 4.48 | 100 % | yessrcsrcsrc |
| Webhook signing | 1.96 | 100 % | signed with replay protectionsrcsrcsrc |
| SDKs | 2.24 | 100 % | 6 official SDK languagessrc |
| Test mode | 2.24 | 50 % | partialsrcsrcsrc |
| Idempotency | 1.68 | 50 % | partialsrcsrcsrc |
| Reputation & Reviews (25) | 79.0 / 100coverage 100 % | ||
| Review platforms | 25.00 | 79 % | global data: capterra 4.7/5 (196), g2 4.7/5 (528), trustpilot 3.2/5 (638) |
| Channel Coverage (10) | 100.0 / 100coverage 100 % | ||
| Channel groups | 10.00 | 100 % | 6 channel groups (native = 1, partner = 0.5); 1 not verified, cannot change the score (full at 5)srcsrcsrc |
| Category Functionality (8) | 73.5 / 100coverage 94 % | ||
| SMTP relay (transactional-email) | 0.24 | 0 % | nosrcsrc |
| Inbound parsing (transactional-email) | 0.20 | 100 % | yessrcsrc |
| Templates (transactional-email) | 0.20 | 100 % | yessrc |
| Event webhooks (transactional-email) | 0.28 | 100 % | yessrc |
| Suppression mgmt (transactional-email) | 0.20 | 100 % | yessrc |
| Dedicated IP (transactional-email) | 0.16 | 50 % | partialsrcsrc |
| Scheduling (transactional-email) | 0.12 | 100 % | yessrc |
| Attachments (transactional-email) | 0.08 | 100 % | yessrc |
| Payment notifications (transactional-email) | 0.16 | 0 % | nosrc |
| Native payment-provider integration (transactional-email) | 0.20 | 0 % | nosrc |
| Two-way messaging (sms) | 0.20 | 100 % | yessrcsrc |
| Delivery receipts (sms) | 0.28 | 100 % | yessrc |
| Sender types (sms) | 0.28 | 100 % | yessrcsrcsrc |
| Number provisioning via API (sms) | 0.16 | 100 % | yessrcsrc |
| Sender registration support (sms) | 0.20 | 100 % | yessrcsrcsrc |
| Opt-out handling (sms) | 0.20 | 100 % | yessrc |
| MMS / RCS (sms) | 0.12 | 100 % | yessrcsrc |
| Scheduling (sms) | 0.10 | 100 % | yessrc |
| Segment and Unicode rules documented (sms) | 0.10 | 100 % | yessrc |
| Payment links in messages (sms) | 0.16 | 50 % | partialsrc |
| Native payment-provider integration (sms) | 0.20 | 0 % | nosrcsrc |
| Channels sms (otp) | 0.20 | 100 % | yessrc |
| Channels whatsapp (otp) | 0.20 | 100 % | yessrcsrc |
| Channels voice (otp) | 0.12 | 100 % | yessrc |
| Channels email (otp) | 0.12 | 0 % | nosrc |
| Managed codes (otp) | 0.28 | 100 % | yessrc |
| Fraud protection (otp) | 0.36 | 50 % | partialsrcsrc |
| Rate limiting (otp) | 0.20 | 50 % | partialsrcsrc |
| Silent network auth (otp) | 0.16 | 50 % | yessrc |
| Localized templates (otp) | 0.16 | 100 % | yessrc |
| Official Meta partner (whatsapp) | 0.20 | 100 % | yessrcsrc |
| Embedded signup (whatsapp) | 0.16 | 100 % | yessrcsrc |
| Template API (whatsapp) | 0.28 | 100 % | yessrc |
| Interactive messages (whatsapp) | 0.20 | 100 % | yessrc |
| Media messages (whatsapp) | 0.10 | 100 % | yessrc |
| Flows (whatsapp) | 0.16 | 0 % | nosrc |
| Inbound webhooks (whatsapp) | 0.20 | 100 % | yessrc |
| Payment links in messages (whatsapp) | 0.20 | 100 % | yessrcsrc |
| In-chat payments (whatsapp) | 0.20 | 0 % | nosrc |
| Native payment-provider integration (whatsapp) | 0.20 | 0 % | nosrc |
| Localization & Regional Support (2) | 33.3 / 100coverage 100 % | ||
| Languages | 2.00 | 33 % | 1 of 3 target languages (en, pt, es)srcsrcsrc |
| Built-in AI Agent & Chatbot Deployment (2) | 100.0 / 100coverage 100 % | ||
| Ready-to-deploy AI agent | 2.00 | 100 % | yessrcsrc |
Weights and rules: rating methodology.
Telnyx integration guides
Sources
- About Telnyx (company facts) — docs, checked 23 September 2026
- Where is Telnyx located? — docs, checked 23 September 2026
- Telnyx Data Processing Addendum (Version 3.0) — legal, checked 23 September 2026
- Appendix III — Subprocessor list — legal, checked 23 September 2026
- Telnyx AI-Enabled Services Addendum v2.0 — legal, checked 23 September 2026
- Data & privacy — legal, checked 23 September 2026
- Telnyx security — other, checked 24 September 2026
- Telnyx developer docs llms.txt — docs, checked 24 September 2026
- Agent-readable docs — docs, checked 23 September 2026
- API authentication — docs, checked 24 September 2026
- Create and manage API keys — docs, checked 24 September 2026
- Agent authentication (auth.md) — docs, checked 24 September 2026
- OAuth 2.0 authorization server metadata (RFC 8414) — docs, checked 24 September 2026
- Create OAuth client (API reference) — docs, checked 24 September 2026
- API retries and reliability — docs, checked 23 September 2026
- Webhook fundamentals — docs, checked 24 September 2026
- Server-side SDKs — docs, checked 23 September 2026
- team-telnyx/openapi (consolidated OpenAPI 3.1 spec) — repo, checked 24 September 2026
- Telnyx Remote MCP — docs, checked 24 September 2026
- Telnyx Local MCP Server — docs, checked 23 September 2026
- Telnyx MCP API server card — docs, checked 24 September 2026
- Official MCP Registry search for "telnyx" — registry, checked 24 September 2026
- team-telnyx/ai (skills, plugins, MCP config) — repo, checked 23 September 2026
- team-telnyx/ai skills directory — repo, checked 23 September 2026
- Trial Account Privileges & Limitations — docs, checked 23 September 2026
- Using Your Trial Account — docs, checked 23 September 2026
- Telnyx Freemium Accounts — docs, checked 23 September 2026
- Pricing (developer docs) — docs, checked 23 September 2026
- Data Locality — docs, checked 23 September 2026
- Choosing a Sender Type — docs, checked 23 September 2026
- Messaging webhooks — docs, checked 23 September 2026
- Message Encoding — docs, checked 23 September 2026
- Alphanumeric Sender ID — docs, checked 23 September 2026
- International SMS Compliance Guide — docs, checked 23 September 2026
- Schedule Messages — docs, checked 23 September 2026
- Opt-In/Out Management — docs, checked 23 September 2026
- Getting Started with 10DLC — docs, checked 23 September 2026
- Short Codes — docs, checked 23 September 2026
- Toll-Free Verification — docs, checked 23 September 2026
- Send a message (API reference) — docs, checked 23 September 2026
- Messaging SMS & MMS documentation index — docs, checked 23 September 2026
- Telnyx global coverage (country capability data) — other, checked 23 September 2026
- 10DLC Fees and Charges — docs, checked 23 September 2026
- Telnyx Verify API — docs, checked 23 September 2026
- Custom templates for Telnyx Verify — docs, checked 23 September 2026
- Verify rate limiting and fraud prevention — docs, checked 23 September 2026
- Verify webhooks — docs, checked 23 September 2026
- Identity (Number Lookup and Verify) documentation index — docs, checked 23 September 2026
- Send Your First WhatsApp Message — docs, checked 23 September 2026
- WhatsApp Embedded Signup — docs, checked 24 September 2026
- WhatsApp Tech Provider Embedded Signup — docs, checked 23 September 2026
- Send WhatsApp Messages — docs, checked 23 September 2026
- Manage WhatsApp Templates — docs, checked 23 September 2026
- Email API Overview — docs, checked 24 September 2026
- Email documentation index — docs, checked 23 September 2026
- Email API Guide (sending) — docs, checked 24 September 2026
- Email Webhooks & Events — docs, checked 24 September 2026
- Email Rate Limits & Quotas — docs, checked 23 September 2026
- Email Deliverability & Warm-up — docs, checked 23 September 2026
- Manage Email Inboxes — docs, checked 23 September 2026
- Email Templates — docs, checked 23 September 2026
- Email Suppressions & Unsubscribes — docs, checked 23 September 2026
- Migrate email to Telnyx — docs, checked 23 September 2026
- AI documentation index (inference, embedding, assistants) — docs, checked 23 September 2026
- AI Assistant Conversation Workflows — docs, checked 23 September 2026
- No-code Voice Assistant — docs, checked 23 September 2026
- AI Assistant conversation keying (channels) — docs, checked 23 September 2026
- Pay over Voice — docs, checked 23 September 2026
- Telnyx pricing (canonical Markdown rate sheet) — pricing, checked 24 September 2026
- SMS API Pricing — pricing, checked 24 September 2026
- Global Numbers Pricing — pricing, checked 24 September 2026
- Verify API Pricing — pricing, checked 24 September 2026
- WhatsApp Pricing — pricing, checked 24 September 2026
- WhatsApp Meta pass-through rates (CSV linked from the pricing page) — pricing, checked 24 September 2026
- Email API Pricing (beta) — pricing, checked 24 September 2026
- Billing Setup & Billing Groups — docs, checked 23 September 2026
- ACH Direct Debit Payment Method — docs, checked 23 September 2026
- Bitcoin Payment Method — docs, checked 23 September 2026
- Lovable docs index (integrations list) — platform-docs, checked 23 September 2026
- Replit Agent integrations — platform-docs, checked 23 September 2026