Claw Messenger vs Vonage

Claw Messenger supports 32 of the 77 features compared here, and Vonage supports 36.

Feature comparison

Feature	Claw Messenger	Vonage
iMessage messaging
iMessage	SupportedOnly phone numbers registered to the account can reach the agent	Not supportedNo iMessage support
Group chats	PartialGrowth plan and up; every participant must be a registered number	Not supported
Group management	PartialCreate a group by sending to several numbers; no add or remove member calls	Not supported
Group name and photo	Not listedDocs only describe receiving group rename events	Not supported
Mentions	Not listed	Not supported
Tapbacks	SupportedSend and receive, including custom emoji reactions	Not supported
Threaded replies	SupportedreplyTo on send; inbound messages carry replyTo	Not supported
Typing indicators	Supported	Not supported
Read receipts	SupportedMark as read on send; read status events on receive	Not supported
Edit and unsend	Not listed	Not supported
Message effects	Not listed	Not supported
Animated text effects	Not listed	Not supported
Stickers	Not listed	Not supported
Formatted text	Not listed	Not supported
Attachments	SupportedGeneric media attachments from HTTPS URLs	Not supported
Live Photos	Not listed	Not supported
Rich link previews	Not listed	Not supported
Voice messages	Not supportedFAQ: native voice-note bubbles are not verified; audio goes as a plain file	Not supported
Contact cards	Not listed	Not supported
Polls	Not listed	Not supported
Chat backgrounds	Not listed	Not supported
Location sharing	Not listed	Not supported
iMessage apps	Not listed	Not supported
Live app cards	Not listed	Not supported
Sender name and photo	Not listed	Not supported
FaceTime calls	Not supportedFAQ: no voice calls; text and media only	Not supported
Delivery status	Supportedaccepted, delivered, read and failed status events	Not supported
iMessage availability check	Not listedRouting picks the channel automatically; no reachability check is documented	Not supported
Focus and Notify Anyway	Not listed	Not supported
Numbers and delivery
Managed lines	SupportedProvider runs the line; agents run on Linux, Docker, Windows or cloud	Not supportedNo iMessage support
Dedicated numbers	SupportedAgency tier ($199/month per subtenant); self-serve uses shared numbers	SupportedVirtual numbers in 80+ countries, rented via dashboard, CLI or Numbers API
Shared numbers	SupportedSelf-serve plans send from a shared number that may change between messages	PartialShared Sandbox senders for WhatsApp, Viber, Messenger and Instagram, for trying the API only
Bring your own number	Not listedFAQ says numbers come from a pool; bringing your own is not mentioned	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	SupportediMessage with automatic RCS and SMS fallback	Not supportedNo iMessage support; RCS and WhatsApp can fail over to SMS
RCS fallback	Supported	Not supportedNo iMessage support
Outbound-first messaging	SupportedSelf-serve plans start up to 20 new conversations per rolling 24 hours	SupportedBusiness-initiated SMS; WhatsApp needs approved templates outside the 24-hour window
Calls on the iMessage number	Not supportedFAQ: voice calls are not supported	Not supportedNo iMessage support
Other channels
SMS	Supportedservice: SMS on send	SupportedSMS and MMS through the Messages API
RCS	Supportedservice: RCS on send	SupportedRCS Business Messaging in the UK, Germany and 10+ other countries
WhatsApp	Not supportedNot offered	Supported
Telegram	Not supported	Not supportedNot offered
Slack	Not supported	Not supported
Email	Not supported	SupportedTransactional email as a Messages API channel, inbound and outbound
Phone calls	Not supportedFAQ: voice calls are not supported	SupportedVoice API for PSTN, SIP and in-app calls
Apple Messages for Business	Not supportedNot offered	Not supportedNot offered
Unified channel API	SupportedOne send call routes across iMessage, RCS and SMS	SupportedMessages API covers SMS, MMS, RCS, WhatsApp, Messenger, Viber and email
Developer tools
REST API	SupportedREST for sends and number routes; WebSocket is the main event channel	Supported
TypeScript SDK	PartialOnly framework packages on npm (OpenClaw plugin, n8n node, MCP); no general SDK	SupportedNode.js SDK written in TypeScript, Apache-2.0
Python SDK	PartialOnly LangChain and CrewAI tool packages on PyPI; no general SDK	SupportedApache-2.0
Other SDKs	Not supportedProvider lists its SDK story as REST and WebSocket from any language	SupportedJava, Kotlin, PHP, Ruby, .NET; iOS, Android and web client SDKs
CLI	Not listed	SupportedVonage CLI for apps, numbers and JWTs
Webhooks	PartialDocs: self-serve inbound is WebSocket only; webhooks are for approved managed setups	SupportedInbound message and message status webhooks
Signed webhooks	SupportedHMAC-signed	SupportedHS256 JWT signed with the signature secret, plus SHA-256 payload hash
MCP server	Supported@emotion-machine/claw-messenger-mcp, five tools	SupportedDocs MCP server plus tooling MCP that sends SMS, WhatsApp, RCS and voice
Open source	Not supportedCore service is not published; only MIT starter repos and plugins	Not supportedClosed platform; SDKs, CLI and MCP server are Apache-2.0
Self-hosting	Not supportedProvider lists itself as hosted	Not listed
Local testing	Not listedSetup test sends a real message to a phone you control	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	SupportedInbound messages are stored and redelivered on reconnect; sync replays since a time	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	Partialn8n node for self-hosted n8n, send only; no Zapier or Make	SupportedMicrosoft Power Automate connector and Node-RED; blog tutorials cover n8n and Make
CRM integrations	Not supportedProvider: no native HubSpot, Salesforce or GoHighLevel connector	SupportedVonage Conversations for Salesforce: SMS, MMS and WhatsApp in the CRM
Built for AI agents
Agent framework	PartialPlugins for OpenClaw, Hermes, LangChain and CrewAI; no framework of its own	SupportedAI Studio, a low-code builder for virtual agents on voice and messaging
Agent framework integrations	SupportedOwn packages for LangChain, CrewAI, OpenClaw, Hermes and n8n	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	Not listed	SupportedAI Studio Live Agent Routing node hands chats to human agents with history
Audit logs	Not listed	SupportedAudit API for account events, a $550 per month add-on
Message history API	Partialsync replays saved inbound messages since a timestamp; no history API	PartialNo list endpoint in Messages API; Reports API returns past message records, priced per tier
Plans and compliance
Free plan	Not supportedNo free tier; 7-day trial with a card	SupportedFree Sandbox (100 messages a month, chat apps only) plus free credit at signup
Public pricing	Supported	Supported
No per-message fees	PartialFlat plans with hard monthly message caps; Agency charges $0.005 per extra message	Not supportedBilled per message, plus a platform fee on top of carrier fees
Uptime SLA	Not supportedTerms: high availability is a goal, uptime is not guaranteed	Supported99.99% platform availability SLA on the paid Premium and Enterprise support plans
Isolated infrastructure	SupportedAgency subtenants get their own line, key and routing	PartialOnly dedicated email sending IPs (Advanced plan); no single-tenant messaging found
SOC 2 Type II	Not supportedProvider: no public certifications yet	SupportedCovers the Core API (SMS and Voice); AI Studio pending
GDPR	Not listed	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

Which should you choose?

Choose Claw Messenger if you need iMessage, group chats, group management and tapbacks.

Choose Vonage if you need bring your own number, line pooling, WhatsApp and email.

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