Dial vs Linq

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

Dial

Phone numbers with calls, SMS and iMessage for AI agents
Starting price
$3/month per standard number; $250/month per iMessage number
Free plan
$5 free credit, no credit card required

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

Dial supports 44 of the 77 features compared here, and Linq supports 63.

Feature comparison

FeatureDialLinq
iMessage messaging
iMessage
SupportedNeeds an iMessage number, provisioned through the API. Pay-as-you-go accounts only.
Supported
Group chats
SupportedSend to and read iMessage groups the number was added to. Polls work in groups; replies and reactions do not.
SupportedPro plan. Up to 31 recipients. No read or delivery receipts in groups.
Group management
Not supportedDocs say Dial cannot create a group, join one or accept an invite link.
SupportedAdd and remove participants and leave a group, iMessage groups only, 3-member minimum.
Group name and photo
Not listedGroup names are read live from the line; no way to set a name or photo is documented.
SupportedSet display_name and group_chat_icon on group chats.
Mentions
Not listed
SupportedGroup chats only. Notifies iMessage recipients even in a muted chat.
Tapbacks
SupportedSix tapback names or any single emoji. Sent only on inbound messages; received on message.received.
SupportedSix classic tapbacks or any emoji, send and receive via reaction webhooks.
Threaded replies
SupportedNative threaded replies to inbound iMessage or RCS messages, one-to-one only.
Supportedreply_to with optional part_index. iMessage only.
Typing indicators
PartialSend only, one-to-one and in groups. No inbound typing events are documented.
SupportedSend and receive, in direct and group chats. iMessage only.
Read receipts
PartialReports when recipients read your iMessages. No way to mark inbound messages read.
SupportedMark chats read and receive message.read. One-to-one chats only.
Edit and unsend
Not listed
PartialEdit text up to 5 times within 15 minutes. Delete does not unsend from the recipient's device.
Message effects
Not listed
Supported11 screen and 4 bubble effects.
Animated text effects
Not listed
Supportedtext_decorations animations: big, small, shake, nod, explode, ripple, bloom, jitter.
Stickers
Not listed
SupportedPeel emoji or images onto messages, send stickers, or place them inline in text.
Formatted text
Not listed
SupportedBold, italic, underline and strikethrough ranges, plus animated text. iMessage only.
Attachments
SupportedOne attachment per iMessage, 5 MB. Images, audio, video, PDF, vCard and iCalendar. No HEIC.
SupportedUp to 10MB by URL, 100MB with pre-upload.
Live Photos
Not listed
Not listed
Rich link previews
Not listed
Supportedlink parts render as rich previews on iMessage and RCS.
Voice messages
SupportedA single audio file on an iMessage number is sent as a native voice message.
SupportedDedicated voice memo endpoint renders the native iMessage voice bubble.
Contact cards
SupportedSend .vcf files as media. Inbound cards arrive as text/vcard media (since October 2026).
SupportedSend .vcf files as media parts.
Polls
Supported2 to 10 options, one-to-one or in iMessage groups. Votes arrive as events with a live tally.
SupportedCreate, add options, vote and read tallies, with poll webhooks. Not as a chat's first message.
Chat backgrounds
Not listed
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
SupportedSet the first name, last name and photo shown beside the number's iMessages.
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
PartialiMessage sends report no delivery receipts; delivery is inferred once a read arrives.
Supportedsent, delivered, read and failed webhooks. Groups report sent only.
iMessage availability check
SupportedLookup endpoint checks whether any number can receive iMessage or WhatsApp.
Supportedcheck_imessage and check_rcs endpoints.
Focus and Notify Anyway
Not listed
Not listed
Numbers and delivery
Managed lines
SupportediMessage numbers are provisioned through the API, with asynchronous setup. No Mac or device needed.
Supported
Dedicated numbers
SupportedEach number belongs to your account. Docs say only US numbers can be provisioned now.
SupportedPaid lines are dedicated. Provisioned by Linq, no self-serve number API.
Shared numbers
Not listed
SupportedFree Hobby tier uses a Shared Line, inbound-first, 20 contacts.
Bring your own number
Not listed
Not listed
Line pooling
Not listedDocs suggest splitting recipients across several iMessage numbers by hand; no automatic pooling found.
SupportedManaged load balancing (Pro): send without from and Linq picks and fails over lines.
SMS fallback
SupportediMessage numbers fall back to RCS or SMS automatically, at no message charge.
Supported
RCS fallback
Supported
SupportedOrder is iMessage, then RCS, then SMS.
Outbound-first messaging
SupportedCold outbound allowed. Each iMessage number can start up to 50 new conversations a day.
SupportedFree Hobby tier is inbound-first. Docs recommend inbound-first flows to avoid flagging.
Calls on the iMessage number
SupportediMessage numbers also place and receive AI voice calls, or forward inbound calls.
PartialAPI forwards inbound calls on the line; outbound needs caller-ID masking via another provider.
Other channels
SMS
SupportedTwo-way SMS; MMS to US and Canada. Subscription accounts can text US numbers only.
Supported
RCS
PartialOnly as automatic fallback from iMessage numbers; not a channel you can pick.
Supported
WhatsApp
BetaBeta, enabled per account. Runs on an iMessage number, one attachment per message.
BetaSeparate WhatsApp API in beta. Access by request, no SLA.
Telegram
Not supportedNot offered
Not supportedNot offered
Slack
Not supportedNot offered as a channel. A Zapier app can forward messages to Slack.
Not supported
Email
Not supportedNot offered
Not supportedNot offered. iMessage can be sent to Apple ID email handles.
Phone calls
SupportedInbound and outbound AI voice calls with transcripts.
PartialAPI does not place or answer calls; it forwards inbound calls. Calling lives in the Linq Blue app.
Apple Messages for Business
Not listedDocs say iMessage numbers send over Apple Messages for Business, but no business chat product is documented.
Not listedAI context page mentions it, but no product page or docs were found.
Unified channel API
SupportedOne messages endpoint and event format for SMS, iMessage and WhatsApp, plus calls.
PartialiMessage, RCS and SMS share one API. WhatsApp is a separate API with its own keys and SDKs.
Developer tools
REST API
Supported
Supported
TypeScript SDK
Supported@getdial/sdk
Supported@linqapp/sdk
Python SDK
Supporteddial-sdk
Supportedlinq-python
Other SDKs
Not supportedSDK overview lists only Node and Python clients, plus agent framework packages.
SupportedOfficial Go SDK.
CLI
Supporteddial CLI, installed with a shell script or npx. Needs Node 22 or later.
Supported@linqapp/cli: signup, sending, and a local webhook listener.
Webhooks
Supported
Supported
Signed webhooks
SupportedHMAC-SHA256 over timestamp and body, X-Dial-Signature header.
SupportedHMAC-SHA256, Standard Webhooks format, with replay protection.
MCP server
SupportedRemote server with OAuth at getdial.ai/mcp, or local stdio through the CLI.
Supported@linqapp/sdk-mcp with docs search and code execution tools.
Open source
PartialThe Chat SDK adapter is MIT on GitHub. The platform is closed.
PartialSDKs, CLI and adapters are Apache-2.0 or MIT on GitHub. The messaging platform is closed.
Self-hosting
Not listedSelf-Hosted mode only means calls are driven by your own agent server; the platform itself is hosted.
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
PartialWebhooks retry up to 6 attempts. The live stream replays only about 2 minutes of missed events.
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
SupportedZapier app with message and call triggers, and send, call and provision actions.
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
PartialHosted AI voice agent runs calls from a prompt. Messaging is send and receive only.
PartialNo own framework. Maintains a Vercel Chat SDK adapter and OpenClaw and Hermes plugins.
Agent framework integrations
SupportedLangChain, Vercel AI SDK, CrewAI, AutoGen, Microsoft Agent Framework and a Vercel Chat SDK adapter.
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
PartialThe voice agent can transfer a call to a person. No handoff for messaging.
Not listed
Audit logs
Not listed
SupportedDashboard Activity page plus account-change webhooks with actor and origin.
Message history API
SupportedList and search messages, up to the 100 most recent per request.
Supported
Plans and compliance
Free plan
Supported$5 of free credit, no card. Free accounts are capped at 5-minute calls and 2 concurrent calls.
SupportedHobby: $0, up to 20 contacts, through the CLI.
Public pricing
Supported
SupportedPro from $260/mo. Enterprise is custom.
No per-message fees
PartialMessages from a $250/month iMessage number are free. SMS on standard numbers is billed per message.
Supported
Uptime SLA
PartialUptime SLA listed for Enterprise only.
SupportedContractual SLAs on the Enterprise plan; marketing cites 99.95%
Isolated infrastructure
Not listed
SupportedDedicated lines across 4 data centers on paid plans; Hobby uses a shared line
SOC 2 Type II
PartialSite says SOC 2 certified. Report type and a report are not published.
SupportedType I and Type II, reports for 2022, 2024, 2025 and 2026.
GDPR
SupportedDPA covers GDPR and UK GDPR, with Standard Contractual Clauses.
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

Dial

Pay-as-you-go starts with $5 of free credit. A standard number is $3 a month plus metered SMS and calls, an iMessage number is $250 a month with free messages, and Enterprise is custom.

Pricing model: per number plus metered usage; iMessage messages free on an iMessage number

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 Dial if you need human handoff.

Choose Linq if you need group management, group name and photo, mentions and edit and unsend.

Frequently asked questions