Comparison

Overview

Company snapshot and where each provider is based.

FieldTelesignTextBolt
What it isDigital identity and programmable communications platform offering SMS, RCS, voice, WhatsApp, Viber and email APIs alongside phone verification and fraud-prevention services.Email-to-SMS gateway that lets US and Canadian businesses send and receive text messages from Gmail, Outlook, or any email client by addressing an email to a phone-number address.
Founded20052019
Ownershipprivateprivate
Employees500-1,00011-50
HQ cityMarina del ReyMesa
HQ countryUSAUSA
What's the differenceTelesign edges ahead on the overall messaging.dev Score (70 vs 17). Telesign is private and headquartered in Marina del Rey, USA; TextBolt is private and based in Mesa, USA.

Channels

Which messaging channels each provider can send and receive on.

FieldTelesignTextBolt
SMSYesYes
MMSNoNo
RCSYesNo
WhatsAppYesNo
ViberYesNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceYesNo
EmailYesNo
What's the differenceThey share 1 channels. Telesign additionally offers RCS, WhatsApp, Viber, Voice, Email.

Developer Experience

How quickly a developer can sign up and send a first message.

FieldTelesignTextBolt
Self-service onboardingYesYes
Free developer creditYesNo
Docs qualityhighlow
DocumentationOpen ↗Open ↗
SDKsC#, Java, Node.js, PHP, Python, Ruby
Sandbox / test envNoNo
API typesRESTSMTP
What's the differenceOn SDKs, Telesign adds C#, Java, Node.js, PHP, Python, Ruby; on API types, Telesign adds REST; TextBolt adds SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldTelesignTextBolt
EU data residencyYesNo
US data residencyYesYes
Choose regionNoNo
GDPRYesNo
ISO 27001YesNo
SOC 2YesNo
HIPAAYesNo
What's the differenceTelesign offers EU data residency, while TextBolt does not; Telesign offers GDPR, while TextBolt does not; Telesign offers ISO 27001, while TextBolt does not; Telesign offers SOC 2, while TextBolt does not; Telesign offers HIPAA, while TextBolt does not.

Data Retention

How long message content and metadata are stored, and whether that is configurable.

FieldTelesignTextBolt
Retention policyCustomer transaction data is retained for 90 days for operational troubleshooting and billing purposes, with full backups maintained across two separate data centers also kept for 90 days.Per the privacy policy, SMS message history is retained for 12 months from the date sent/received, with delivery status tracked via Twilio callbacks; a calendar-event cache is kept 90 days after the event date, and account data is retained while active plus 30 days after deletion. Servers are located in the United States.
What's the differenceTelesign: Customer transaction data is retained for 90 days for operational troubleshooting and billing purposes, with full backups maintained across two separate data centers also kept for 90 days. TextBolt: Per the privacy policy, SMS message history is retained for 12 months from the date sent/received, with delivery status tracked via Twilio callbacks; a calendar-event cache is kept 90 days after the event date, and account data is retained while active plus 30 days after deletion. Servers are located in the United States.

Pricing & Credits

Pricing model and the cost of a first message.

FieldTelesignTextBolt
Pricing modelPay-as-you-go per-message/per-transaction pricing with volume-based enterprise contracts; public per-message rates are not transparently listed.Monthly subscription plans (Basic $29, Standard $49, Professional $99, plus custom Enterprise) that each include a set allowance of SMS-segment credits, with automatic per-segment overage billing.
SMS starting priceNot published$0.030 per SMS segment (Enterprise 5,000+ credits/mo, US/Canada); $0.058/segment on the $29/mo Basic plan
Free developer creditYesNo
What's the differenceTelesign and TextBolt are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldTelesignTextBolt
Countries covered2302
Direct operator connectionsYesNo
Published uptime SLANo published SLA99.9% (Enterprise plan)
What's the differenceTelesign leads on Countries covered (230 vs 2 for TextBolt); Telesign offers Direct operator connections, while TextBolt does not.

Company & Trust

Independent reviews and company profile.

FieldTelesignTextBolt
G2 rating4.30.0
G2 reviews200
Ownershipprivateprivate
Employees500-1,00011-50
What's the differenceTelesign leads on G2 rating (4.3 vs 0 for TextBolt); Telesign leads on G2 reviews (20 vs 0 for TextBolt).

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