AgentPhone supports 44 of the 77 features compared here, and Linq supports 63.
and 15 more in the table below.
| Feature | ||
|---|---|---|
| iMessage messaging | ||
| iMessage | ||
| Group chats | ||
| Group management | ||
| Group name and photo | ||
| Mentions | Not listed | |
| Tapbacks | ||
| Threaded replies | ||
| Typing indicators | ||
| Read receipts | Not listedThe pricing page mentions read receipts; no API or webhook for them is documented. | |
| Edit and unsend | Not listed | |
| Message effects | ||
| Animated text effects | Not listed | |
| Stickers | Not listed | |
| Formatted text | Not listed | |
| Attachments | ||
| Live Photos | Not listed | Not listed |
| Rich link previews | Not listed | |
| Voice messages | Not listed | |
| Contact cards | ||
| Polls | Not listed | |
| Chat backgrounds | ||
| Location sharing | Not listedThe API has location endpoints returning coordinates per number, but their use is not described. | |
| iMessage apps | Not listed | |
| Live app cards | Not listed | |
| Sender name and photo | ||
| FaceTime calls | Not listed | |
| Delivery status | ||
| iMessage availability check | ||
| Focus and Notify Anyway | Not listed | Not listed |
| Numbers and delivery | ||
| Managed lines | ||
| Dedicated numbers | ||
| Shared numbers | Not listed | |
| Bring your own number | Not listed | Not listed |
| Line pooling | Not listed | |
| SMS fallback | ||
| RCS fallback | ||
| Outbound-first messaging | ||
| Calls on the iMessage number | Not listed | |
| Other channels | ||
| SMS | ||
| RCS | ||
| Telegram | Not supportedNot offered | Not supportedNot offered |
| Slack | Not supported | Not supported |
Not supported | Not supportedNot offered. iMessage can be sent to Apple ID email handles. | |
| Phone calls | ||
| Apple Messages for Business | Not supportedNot offered | Not listedAI context page mentions it, but no product page or docs were found. |
| Unified channel API | ||
| Developer tools | ||
| REST API | ||
| TypeScript SDK | ||
| Python SDK | ||
| Other SDKs | Not listedDocs list only TypeScript and Python; an agentphone-go repo holds only a placeholder README. | |
| CLI | Not listedNo own CLI found; numbers can be provisioned through the Stripe Projects CLI. | |
| Webhooks | ||
| Signed webhooks | ||
| MCP server | ||
| Open source | ||
| Self-hosting | Not supportedHosted cloud service only | |
| Local testing | Not listedThe CLI streams webhooks locally, but tests still use a real phone. | |
| Custom channel providers | Not listed | Not listed |
| Event replay | ||
| OpenTelemetry | Not listed | |
| No-code integrations | ||
| CRM integrations | Not listed | |
| Built for AI agents | ||
| Agent framework | ||
| Agent framework integrations | ||
| Streaming replies | ||
| Agent group chats | Not listed | |
| Human handoff | Not listed | |
| Audit logs | Not listed | |
| Message history API | ||
| Plans and compliance | ||
| Free plan | ||
| Public pricing | ||
| No per-message fees | ||
| Uptime SLA | ||
| Isolated infrastructure | Not listedSub-accounts isolate agents, numbers and data per client; no dedicated infrastructure offer found. | |
| SOC 2 Type II | ||
| GDPR |
Checked on each provider's own site and docs on 2026-10-25. “Not listed” means the provider does not mention it.
Pay as you go with $5 of starting credit: $3 per number a month, $0.13 to $0.22 a voice minute and $0.02 per SMS segment, with iMessage lines at $150 or $250 a month and no per-message charge.
Pricing model: usage-based, flat per line for iMessage
SourceHobby 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
SourceChoose AgentPhone if you need local testing, streaming replies, agent group chats and human handoff.
Choose Linq if you need mentions, read receipts, edit and unsend and animated text effects.