OpenClaw imsg vs Linq

Compare OpenClaw imsg and Linq side by side: iMessage features, channels, developer tools, pricing and compliance, checked on each provider's own site.

OpenClaw imsg

MIT-licensed macOS CLI for reading and sending iMessage
Starting price
Free
Free plan
Free and open source (MIT)

Linq

iMessage, RCS and SMS API with flat monthly pricing
Starting price
$260/month (Pro)
Free plan
Hobby: $0, up to 20 contacts, used through the CLI

OpenClaw imsg supports 38 of the 77 features compared here, and Linq supports 63.

Feature comparison

FeatureOpenClaw imsgLinq
iMessage messaging
iMessage
SupportedRuns on your own Mac signed in to Messages
Supported
Group chats
SupportedSend by chat ID, identifier or GUID; group metadata in JSON output
SupportedPro plan. Up to 31 recipients. No read or delivery receipts in groups.
Group management
PartialCreate chats, add or remove members, leave or delete; SIP-off injected helper only
SupportedAdd and remove participants and leave a group, iMessage groups only, 3-member minimum.
Group name and photo
Partialchat-name and chat-photo; SIP-off injected helper only
SupportedSet display_name and group_chat_icon on group chats.
Mentions
Not supportedRPC send.multipart rejects mention parts; no other way to send mentions is documented
SupportedGroup chats only. Notifies iMessage recipients even in a muted chat.
Tapbacks
SupportedSix standard tapbacks without the helper; GUID-targeted and emoji tapbacks need the helper
SupportedSix classic tapbacks or any emoji, send and receive via reaction webhooks.
Threaded replies
PartialReply metadata is read without the helper; sending replies needs the SIP-off injected helper
Supportedreply_to with optional part_index. iMessage only.
Typing indicators
PartialSIP-off injected helper only; docs say it often fails with an entitlement error on macOS 26
SupportedSend and receive, in direct and group chats. iMessage only.
Read receipts
PartialMark chats read via the SIP-off injected helper; outbound status stops at delivered
SupportedMark chats read and receive message.read. One-to-one chats only.
Edit and unsend
PartialEdits and unsends are observed without the helper; sending them needs the SIP-off injected helper
PartialEdit text up to 5 times within 15 minutes. Delete does not unsend from the recipient's device.
Message effects
PartialBubble and screen effects via send-rich --effect; SIP-off injected helper only
Supported11 screen and 4 bubble effects.
Animated text effects
Not listedFormatting covers bold, italic, underline and strikethrough only
Supportedtext_decorations animations: big, small, shake, nod, explode, ripple, bloom, jitter.
Stickers
Partialsend-sticker sends or attaches stickers, iMessage only; SIP-off injected helper only
SupportedPeel emoji or images onto messages, send stickers, or place them inline in text.
Formatted text
PartialBold, italic, underline and strikethrough ranges; macOS 15+, SIP-off injected helper only
SupportedBold, italic, underline and strikethrough ranges, plus animated text. iMessage only.
Attachments
SupportedSend files through Messages automation; read attachment metadata and paths
SupportedUp to 10MB by URL, 100MB with pre-upload.
Live Photos
Not listed
Not listed
Rich link previews
Partialsend-rich --url sends an Apple URL preview balloon; SIP-off injected helper only
Supportedlink parts render as rich previews on iMessage and RCS.
Voice messages
PartialNative voice bubbles need the helper (--audio); otherwise audio sends as a plain file
SupportedDedicated voice memo endpoint renders the native iMessage voice bubble.
Contact cards
Not listed
SupportedSend .vcf files as media parts.
Polls
PartialCreate native polls, vote and unvote; SIP-off injected helper only
SupportedCreate, add options, vote and read tallies, with poll webhooks. Not as a chat's first message.
Chat backgrounds
PartialRead only: chat-background status reads local background metadata
SupportedColor, animated or photo backgrounds, in direct and group chats.
Location sharing
Not listed
SupportedRequest, read and stop Find My shares. Live location is a $79/mo add-on on Pro.
iMessage apps
Not listed
SupportedPro plan. Cards from your own Messages extension, or Linq-hosted cards (Experiences).
Live app cards
Not listed
SupportedUpdate App Card replaces a delivered iMessage app or Experience card in place.
Sender name and photo
Partialname-photo share sends your Messages Name and Photo to a chat; SIP-off injected helper only
SupportedContact card API sets name and photo, shared per chat via Name and Photo Sharing.
FaceTime calls
Not listed
Not supportedDocs say the API does not place or answer calls.
Delivery status
SupportedRPC message.send_status reports pending, sent, delivered or failed
Supportedsent, delivered, read and failed webhooks. Groups report sent only.
iMessage availability check
Partialhandles.check and whois query IDS for iMessage reachability; SIP-off injected helper only
Supportedcheck_imessage and check_rcs endpoints.
Focus and Notify Anyway
Partialnotify-anyways on a message via the SIP-off injected helper; Focus status not documented
Not listed
Numbers and delivery
Managed lines
Not supportedRuns on your own Mac
Supported
Dedicated numbers
Not supportedNot offered; uses the Mac's own iMessage account
SupportedPaid lines are dedicated. Provisioned by Linq, no self-serve number API.
Shared numbers
Not supportedNot offered
SupportedFree Hobby tier uses a Shared Line, inbound-first, 20 contacts.
Bring your own number
SupportedUses the Apple ID and numbers signed in to Messages on your Mac
Not listed
Line pooling
Not supportedsend cannot pick the outgoing number or account when several share one Apple ID
SupportedManaged load balancing (Pro): send without from and Linq picks and fails over lines.
SMS fallback
PartialText-only direct sends retry once over SMS only if iMessage lookup fails before sending
Supported
RCS fallback
Not listed
SupportedOrder is iMessage, then RCS, then SMS.
Outbound-first messaging
Supportedsend --to works for new recipients; chat-create also IDS-checks new handles (helper)
SupportedFree Hobby tier is inbound-first. Docs recommend inbound-first flows to avoid flagging.
Calls on the iMessage number
Not listed
PartialAPI forwards inbound calls on the line; outbound needs caller-ID masking via another provider.
Other channels
SMS
PartialThrough Text Message Forwarding from a paired iPhone
Supported
RCS
Not listed
Supported
WhatsApp
Not supportedNot offered
BetaSeparate WhatsApp API in beta. Access by request, no SLA.
Telegram
Not supported
Not supportedNot offered
Slack
Not supported
Not supported
Email
Not supportedNot offered; iMessage can be sent to Apple ID email addresses
Not supportedNot offered. iMessage can be sent to Apple ID email handles.
Phone calls
Not supportedNot offered
PartialAPI does not place or answer calls; it forwards inbound calls. Calling lives in the Linq Blue app.
Apple Messages for Business
Not supported
Not listedAI context page mentions it, but no product page or docs were found.
Unified channel API
PartialiMessage and forwarded SMS share one CLI and JSON model; no other channels
PartialiMessage, RCS and SMS share one API. WhatsApp is a separate API with its own keys and SDKs.
Developer tools
REST API
Not supportedNo HTTP API; JSON-RPC runs over stdin and stdout with no TCP port
Supported
TypeScript SDK
Not listedNo SDK listed; IMsgCore is a Swift library
Supported@linqapp/sdk
Python SDK
Not listed
Supportedlinq-python
Other SDKs
PartialIMsgCore is the reusable Swift core library in the same package
SupportedOfficial Go SDK.
CLI
SupportedHomebrew (steipete/tap) or signed GitHub release builds
Supported@linqapp/cli: signup, sending, and a local webhook listener.
Webhooks
Not supportedNo HTTP webhooks; events stream as stdout NDJSON or JSON-RPC notifications
Supported
Signed webhooks
Not supportedNo webhooks
SupportedHMAC-SHA256, Standard Webhooks format, with replay protection.
MCP server
Not listed
Supported@linqapp/sdk-mcp with docs search and code execution tools.
Open source
SupportedMIT
PartialSDKs, CLI and adapters are Apache-2.0 or MIT on GitHub. The messaging platform is closed.
Self-hosting
SupportedSelf-hosted only, on your own Mac
Not supportedLinq describes itself as fully managed, in contrast to self-hosted options.
Local testing
Not listed
Not listedThe CLI streams webhooks locally, but tests still use a real phone.
Custom channel providers
Not listed
Not listed
Event replay
PartialResume watch from a message rowid cursor; edits and unsends need a history refresh
PartialRetries for 30 minutes; after that, re-fetch chats or ask Linq for a manual replay.
OpenTelemetry
Not listed
PartialW3C trace IDs on every response and webhook for OTel backends. No export of Linq spans by default.
No-code integrations
Not listed
SupportedLinq Blue works as a GoHighLevel messaging provider. No n8n, Make or Zapier found for the API.
CRM integrations
Not listed
SupportedVia Linq Blue: GoHighLevel, HubSpot and Salesforce.
Built for AI agents
Agent framework
PartialNo framework of its own; it is the iMessage channel of the OpenClaw gateway
PartialNo own framework. Maintains a Vercel Chat SDK adapter and OpenClaw and Hermes plugins.
Agent framework integrations
SupportedOpenClaw's iMessage channel spawns imsg rpc and speaks JSON-RPC to it
SupportedLinq-maintained Vercel Chat SDK adapter, plus OpenClaw and Hermes Agent plugins.
Streaming replies
Not listed
Not supportedDocs say the Chat SDK adapter buffers streams into one final message.
Agent group chats
Not listed
Not listed
Human handoff
Not listed
Not listed
Audit logs
Not listed
SupportedDashboard Activity page plus account-change webhooks with actor and origin.
Message history API
Supportedhistory, search and stats read the local Messages database
Supported
Plans and compliance
Free plan
SupportedFree, MIT-licensed software
SupportedHobby: $0, up to 20 contacts, through the CLI.
Public pricing
SupportedFree; no paid tiers found
SupportedPro from $260/mo. Enterprise is custom.
No per-message fees
SupportedFree software
Supported
Uptime SLA
Not supportedMIT license, provided without warranty; uptime depends on your Mac
SupportedContractual SLAs on the Enterprise plan; marketing cites 99.95%
Isolated infrastructure
SupportedRuns on your own Mac
SupportedDedicated lines across 4 data centers on paid plans; Hobby uses a shared line
SOC 2 Type II
Not listedSelf-hosted; compliance is up to whoever runs the Mac
SupportedType I and Type II, reports for 2022, 2024, 2025 and 2026.
GDPR
Not listed
SupportedDPA covers GDPR and UK GDPR, with Standard Contractual Clauses.

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

Pricing

OpenClaw imsg

imsg is free, MIT-licensed software; you supply a Mac on macOS 14 or later and, for SMS, a paired iPhone.

Pricing model: free self-hosted software

Source

Linq

Hobby is free with up to 20 contacts through the CLI, Pro starts at $260 a month with a 7-day free trial, and Enterprise is custom.

Pricing model: flat monthly, no per-message fees

Source

Which should you choose?

Choose OpenClaw imsg if you need Focus and Notify Anyway, bring your own number and self-hosting.

Choose Linq if you need mentions, animated text effects, contact cards and location sharing.

Frequently asked questions