Twilio vs Linq

Twilio supports 37 of the 77 features compared here, and Linq supports 63.

Feature comparison

Feature	Twilio	Linq
iMessage messaging
iMessage	Not supportedNo iMessage support	Supported
Group chats	Not supported	SupportedPro plan. Up to 31 recipients. No read or delivery receipts in groups.
Group management	Not supported	SupportedAdd and remove participants and leave a group, iMessage groups only, 3-member minimum.
Group name and photo	Not supported	SupportedSet display_name and group_chat_icon on group chats.
Mentions	Not supported	SupportedGroup chats only. Notifies iMessage recipients even in a muted chat.
Tapbacks	Not supported	SupportedSix classic tapbacks or any emoji, send and receive via reaction webhooks.
Threaded replies	Not supported	Supportedreply_to with optional part_index. iMessage only.
Typing indicators	Not supported	SupportedSend and receive, in direct and group chats. iMessage only.
Read receipts	Not supported	SupportedMark chats read and receive message.read. One-to-one chats only.
Edit and unsend	Not supported	PartialEdit text up to 5 times within 15 minutes. Delete does not unsend from the recipient's device.
Message effects	Not supported	Supported11 screen and 4 bubble effects.
Animated text effects	Not supported	Supportedtext_decorations animations: big, small, shake, nod, explode, ripple, bloom, jitter.
Stickers	Not supported	SupportedPeel emoji or images onto messages, send stickers, or place them inline in text.
Formatted text	Not supported	SupportedBold, italic, underline and strikethrough ranges, plus animated text. iMessage only.
Attachments	Not supported	SupportedUp to 10MB by URL, 100MB with pre-upload.
Live Photos	Not supported	Not listed
Rich link previews	Not supported	Supportedlink parts render as rich previews on iMessage and RCS.
Voice messages	Not supported	SupportedDedicated voice memo endpoint renders the native iMessage voice bubble.
Contact cards	Not supported	SupportedSend .vcf files as media parts.
Polls	Not supported	SupportedCreate, add options, vote and read tallies, with poll webhooks. Not as a chat's first message.
Chat backgrounds	Not supported	SupportedColor, animated or photo backgrounds, in direct and group chats.
Location sharing	Not supported	SupportedRequest, read and stop Find My shares. Live location is a $79/mo add-on on Pro.
iMessage apps	Not supported	SupportedPro plan. Cards from your own Messages extension, or Linq-hosted cards (Experiences).
Live app cards	Not supported	SupportedUpdate App Card replaces a delivered iMessage app or Experience card in place.
Sender name and photo	Not supported	SupportedContact card API sets name and photo, shared per chat via Name and Photo Sharing.
FaceTime calls	Not supported	Not supportedDocs say the API does not place or answer calls.
Delivery status	Not supported	Supportedsent, delivered, read and failed webhooks. Groups report sent only.
iMessage availability check	Not supported	Supportedcheck_imessage and check_rcs endpoints.
Focus and Notify Anyway	Not supported	Not listed
Numbers and delivery
Managed lines	Not supportedNo iMessage support	Supported
Dedicated numbers	SupportedLocal, toll-free and short code numbers; US local from $1.15/month	SupportedPaid lines are dedicated. Provisioned by Linq, no self-serve number API.
Shared numbers	PartialTesting only: shared WhatsApp Sandbox number and the Console Virtual Phone	SupportedFree Hobby tier uses a Shared Line, inbound-first, 20 contacts.
Bring your own number	PartialHosted SMS for US/Canada non-mobile numbers; Hosted Numbers API not yet GA. BYOC trunks for voice	Not listed
Line pooling	SupportedMessaging Service sender pools route traffic across many senders	SupportedManaged load balancing (Pro): send without from and Linq picks and fails over lines.
SMS fallback	Not supportedNo iMessage support; RCS falls back to SMS or MMS	Supported
RCS fallback	Not supportedNo iMessage support	SupportedOrder is iMessage, then RCS, then SMS.
Outbound-first messaging	SupportedBusiness-initiated SMS; WhatsApp needs approved templates; US A2P needs 10DLC or toll-free registration	SupportedFree Hobby tier is inbound-first. Docs recommend inbound-first flows to avoid flagging.
Calls on the iMessage number	Not supportedNo iMessage support	PartialAPI forwards inbound calls on the line; outbound needs caller-ID masking via another provider.
Other channels
SMS	SupportedSMS and MMS in 180+ countries	Supported
RCS	SupportedRCS Business Messaging in supported regions	Supported
WhatsApp	Supported	BetaSeparate WhatsApp API in beta. Access by request, no SLA.
Telegram	Not supportedNot offered	Not supportedNot offered
Slack	Not supported	Not supported
Email	SupportedTwilio Email API and Twilio SendGrid	Not supportedNot offered. iMessage can be sent to Apple ID email handles.
Phone calls	SupportedProgrammable Voice and Elastic SIP Trunking	PartialAPI does not place or answer calls; it forwards inbound calls. Calling lives in the Linq Blue app.
Apple Messages for Business	BetaPrivate beta; brands request access	Not listedAI context page mentions it, but no product page or docs were found.
Unified channel API	SupportedMessaging API covers SMS, MMS, RCS, WhatsApp and Messenger; email is a separate API	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	Supportedtwilio-node, with TypeScript types	Supported@linqapp/sdk
Python SDK	Supported	Supportedlinq-python
Other SDKs	SupportedC#/.NET, Java, PHP, Ruby and Go	SupportedOfficial Go SDK.
CLI	SupportedTwilio CLI (twilio-cli)	Supported@linqapp/cli: signup, sending, and a local webhook listener.
Webhooks	Supported	Supported
Signed webhooks	SupportedX-Twilio-Signature header, HMAC-SHA1 with the account auth token	SupportedHMAC-SHA256, Standard Webhooks format, with replay protection.
MCP server	BetaHosted docs MCP (public beta, read-only); Twilio Alpha MCP exposes the APIs	Supported@linqapp/sdk-mcp with docs search and code execution tools.
Open source	Not supportedClosed platform; SDKs, CLI and Agent Connect are MIT-licensed	PartialSDKs, CLI and adapters are Apache-2.0 or MIT on GitHub. The messaging platform is closed.
Self-hosting	Not listed	Not supportedLinq describes itself as fully managed, in contrast to self-hosted options.
Local testing	SupportedConsole Virtual Phone simulates a handset for SMS; Dev Phone for SMS and calls	Not listedThe CLI streams webhooks locally, but tests still use a real phone.
Custom channel providers	SupportedFlex takes custom chat clients and channel types; BYOC plugs your own carrier into Voice	Not listed
Event replay	PartialEvent Streams retries up to 4 hours; webhook retries via connection overrides; no replay API	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, per Twilio's own tutorial; Studio is Twilio's own visual builder	SupportedLinq Blue works as a GoHighLevel messaging provider. No n8n, Make or Zapier found for the API.
CRM integrations	SupportedTwilio for Salesforce and Flex-Salesforce integration	SupportedVia Linq Blue: GoHighLevel, HubSpot and Salesforce.
Built for AI agents
Agent framework	SupportedTwilio Agent Connect SDK with Conversation Orchestrator and Memory	PartialNo own framework. Maintains a Vercel Chat SDK adapter and OpenClaw and Hermes plugins.
Agent framework integrations	SupportedAgent Connect connectors for AWS Strands, Bedrock AgentCore, Microsoft Agent Framework, Google ADK	SupportedLinq-maintained Vercel Chat SDK adapter, plus OpenClaw and Hermes Agent plugins.
Streaming replies	PartialVoice only: ConversationRelay speaks LLM text tokens as they stream; SMS update only redacts	Not supportedDocs say the Chat SDK adapter buffers streams into one final message.
Agent group chats	PartialConversations (classic) group MMS on US/Canada numbers, which an agent number can join	Not listed
Human handoff	SupportedAI agents hand off to human agents in Flex with context	Not listed
Audit logs	SupportedMonitor Events API; 30 days free, 13 months on paid editions	SupportedDashboard Activity page plus account-change webhooks with actor and origin.
Message history API	SupportedList Message resources; Conversation Orchestrator lists conversations	Supported
Plans and compliance
Free plan	Partial30-day trial, no card: 100 SMS, 3,000 emails, 75 voice minutes, 5 verified recipients	SupportedHobby: $0, up to 20 contacts, through the CLI.
Public pricing	Supported	SupportedPro from $260/mo. Enterprise is custom.
No per-message fees	Not supportedBilled per SMS segment, plus carrier fees	Supported
Uptime SLA	Supported99.95% monthly API availability; 99.99% with Enterprise Edition; betas excluded	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	Supported	SupportedType I and Type II, reports for 2022, 2024, 2025 and 2026.
GDPR	SupportedData Protection Addendum covers GDPR	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

Which should you choose?

Choose Twilio if you need bring your own number, email, Apple Messages for Business and local testing.

Choose Linq if you need iMessage, group chats, group management and group name and photo.

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