Texting Blue vs Vonage

Compare Texting Blue and Vonage side by side: iMessage features, channels, developer tools, pricing and compliance, checked on each provider's own site.

Texting Blue

Shared team iMessage inbox on your own iPhone number
Starting price
$19/month per number
Free plan
3-day free trial

Vonage

Messages API for SMS, RCS, WhatsApp, Viber and email
Starting price
$0.00860 per US SMS on a long virtual number, plus carrier fees
Free plan
Free credit at signup with no card, and a free Messages API Sandbox capped at 100 messages a month

Texting Blue supports 20 of the 77 features compared here, and Vonage supports 36.

Feature comparison

FeatureTexting BlueVonage
iMessage messaging
iMessage
SupportedSent and received by your own iPhone, which must stay online
Not supportedNo iMessage support
Group chats
Not listedAPI only documents one-to-one sends
Not supported
Group management
Not listed
Not supported
Group name and photo
Not listed
Not supported
Mentions
Not listedGroup chats are not documented
Not supported
Tapbacks
Not listed
Not supported
Threaded replies
Not listed
Not supported
Typing indicators
Not listed
Not supported
Read receipts
Not listedMarketing mentions read receipts, but the API has no read status
Not supported
Edit and unsend
Not listed
Not supported
Message effects
Not listed
Not supported
Animated text effects
Not listed
Not supported
Stickers
Not supportedThe only plan on sale (Lite) is text only
Not supported
Formatted text
Not listed
Not supported
Attachments
Not supportedLite is text only; media_url needs the Standard plan, listed as coming soon
Not supported
Live Photos
Not supportedThe only plan on sale (Lite) is text only
Not supported
Rich link previews
Not listed
Not supported
Voice messages
Not supportedThe only plan on sale (Lite) is text only
Not supported
Contact cards
Not supported
Not supported
Polls
Not supported
Not supported
Chat backgrounds
Not listed
Not supported
Location sharing
Not supportedThe only plan on sale (Lite) is text only
Not supported
iMessage apps
Not supported
Not supported
Live app cards
Not supported
Not supported
Sender name and photo
Not listed
Not supported
FaceTime calls
Not supportedCalls are listed only for the Business plan, marked coming soon
Not supported
Delivery status
PartialSent and failed on Lite; delivered events need Standard, coming soon
Not supported
iMessage availability check
Not listed
Not supported
Focus and Notify Anyway
Not listed
Not supported
Numbers and delivery
Managed lines
Not supportedRuns on your own iPhone, which must stay connected
Not supportedNo iMessage support
Dedicated numbers
Not supportedProvider: no provisioned business numbers
SupportedVirtual numbers in 80+ countries, rented via dashboard, CLI or Numbers API
Shared numbers
Not supported
PartialShared Sandbox senders for WhatsApp, Viber, Messenger and Instagram, for trying the API only
Bring your own number
SupportedUses the number already on your iPhone
PartialCan SMS-enable an existing US toll-free number; other numbers are ported in
Line pooling
Not listed
BetaNumber Pools API for outbound SMS is in beta for qualifying customers
SMS fallback
SupportedUses the iPhone's own send-as-SMS setting
Not supportedNo iMessage support; RCS and WhatsApp can fail over to SMS
RCS fallback
Not listed
Not supportedNo iMessage support
Outbound-first messaging
SupportedSend to any number; Lite caps volume at 100 messages a day
SupportedBusiness-initiated SMS; WhatsApp needs approved templates outside the 24-hour window
Calls on the iMessage number
Not supportedCalls are listed only for the Business plan, marked coming soon
Not supportedNo iMessage support
Other channels
SMS
PartialSent by the iPhone when iMessage is unavailable; FAQ says not the main use case
SupportedSMS and MMS through the Messages API
RCS
Not listed
SupportedRCS Business Messaging in the UK, Germany and 10+ other countries
WhatsApp
Not supportedNot offered; the free website widget only links out to WhatsApp
Supported
Telegram
Not supportedNot offered
Not supportedNot offered
Slack
Not supported
Not supported
Email
Not supported
SupportedTransactional email as a Messages API channel, inbound and outbound
Phone calls
Not supportedCalls are listed only for the Business plan, marked coming soon
SupportedVoice API for PSTN, SIP and in-app calls
Apple Messages for Business
Not supportedNot offered
Not supportedNot offered
Unified channel API
PartialSame API for iMessage and the iPhone's SMS fallback only
SupportedMessages API covers SMS, MMS, RCS, WhatsApp, Messenger, Viber and email
Developer tools
REST API
Supported
Supported
TypeScript SDK
Not listedSite mentions SDKs, but docs show only raw HTTP examples
SupportedNode.js SDK written in TypeScript, Apache-2.0
Python SDK
Not listed
SupportedApache-2.0
Other SDKs
Not listed
SupportedJava, Kotlin, PHP, Ruby, .NET; iOS, Android and web client SDKs
CLI
Not listed
SupportedVonage CLI for apps, numbers and JWTs
Webhooks
Supportedmessage.received, sent, delivered and failed events with retries
SupportedInbound message and message status webhooks
Signed webhooks
SupportedHMAC-SHA256 in x-textingblue-signature
SupportedHS256 JWT signed with the signature secret, plus SHA-256 payload hash
MCP server
Not listed
SupportedDocs MCP server plus tooling MCP that sends SMS, WhatsApp, RCS and voice
Open source
Not listedOnly the free website contact widget is described as open source
Not supportedClosed platform; SDKs, CLI and MCP server are Apache-2.0
Self-hosting
Not listedHosted dashboard and API; only the widget script can be self-hosted
Not listed
Local testing
Not listedtb_test_ sandbox keys are listed as coming soon
Not listedDocs suggest a Prism mock API server; no virtual phone or simulator found
Custom channel providers
Not listed
SupportedConversation API custom events add your own channels (e.g. WeChat) to a conversation
Event replay
PartialWebhooks retried for about 6 minutes; missed messages can be listed through the API
PartialOnly automatic retries on 429 or 5xx, backing off to every 15 minutes, discarded after 24 hours
OpenTelemetry
Not listed
Not listedNo OpenTelemetry export found in the API or Cloud Runtime docs
No-code integrations
PartialSite lists n8n, Zapier and Make; its FAQ says Zapier and Make are coming soon
SupportedMicrosoft Power Automate connector and Node-RED; blog tutorials cover n8n and Make
CRM integrations
Not supportedProvider points to webhooks and the API for any CRM; no native CRM apps
SupportedVonage Conversations for Salesforce: SMS, MMS and WhatsApp in the CRM
Built for AI agents
Agent framework
Not listed
SupportedAI Studio, a low-code builder for virtual agents on voice and messaging
Agent framework integrations
Not listed
SupportedPipecat: Vonage Audio Serializer and Video Transport, for voice and video agents
Streaming replies
Not listed
PartialVoice only: AI speech streamed into calls over WebSockets (e.g. Pipecat); messages can be revoked, not edited
Agent group chats
Not listed
PartialGroup MMS in the Messages API and multi-member Conversation API chats; no agent-to-agent docs
Human handoff
PartialShared inbox where staff can reply in any thread; no agent handoff controls
SupportedAI Studio Live Agent Routing node hands chats to human agents with history
Audit logs
PartialPer-message trail of which team member sent what and when
SupportedAudit API for account events, a $550 per month add-on
Message history API
SupportedList and filter messages with cursor pagination
PartialNo list endpoint in Messages API; Reports API returns past message records, priced per tier
Plans and compliance
Free plan
Partial3-day free trial only
SupportedFree Sandbox (100 messages a month, chat apps only) plus free credit at signup
Public pricing
Supported
Supported
No per-message fees
Supported$19 per number per month, capped at 100 messages a day
Not supportedBilled per message, plus a platform fee on top of carrier fees
Uptime SLA
Not supportedTerms: no guarantee of uninterrupted access; SLA listed only for a coming-soon plan
Supported99.99% platform availability SLA on the paid Premium and Enterprise support plans
Isolated infrastructure
PartialEach line is your own iPhone; dashboard and API are shared
PartialOnly dedicated email sending IPs (Advanced plan); no single-tenant messaging found
SOC 2 Type II
Not listedAbout page mentions 'SOC 2 practices'; no report or certification stated
SupportedCovers the Core API (SMS and Voice); AI Studio pending
GDPR
SupportedGDPR page; DPA available on request
SupportedData Processing Addendum for Communications APIs with GDPR Article 28 terms

Checked on each provider's own site and docs on 2026-10-25. “Not listed” means the provider does not mention it.

Pricing

Texting Blue

One plan on sale: Lite at $19 per number per month for text-only messaging up to 100 messages a day; Standard and Business are listed as coming soon.

Pricing model: flat per number, with a daily message cap

Source

Vonage

Pay as you go per message for each channel, with a Vonage platform fee on top of carrier or Meta fees.

Pricing model: per message

Source

Which should you choose?

Choose Texting Blue if you need iMessage, delivery status, SMS fallback and no per-message fees.

Choose Vonage if you need dedicated numbers, shared numbers, line pooling and RCS.

Frequently asked questions