AgentPhone vs Dial

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

AgentPhone

Phone numbers with voice, SMS and iMessage for AI agents
Starting price
$3/month per number plus usage; iMessage from $150/month per line
Free plan
$5 starting credit, no card required

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

Feature comparison

FeatureAgentPhoneDial
iMessage messaging
iMessage
SupportediMessage lines are a separate number type (type=imessage).
SupportedNeeds an iMessage number, provisioned through the API. Pay-as-you-go accounts only.
Group chats
SupportediMessage groups arrive as one conversation with roster and sender; reply to the group id.
SupportedSend to and read iMessage groups the number was added to. Polls work in groups; replies and reactions do not.
Group management
PartialStart a new group by listing recipients and rename it; adding or removing members is not documented.
Not supportedDocs say Dial cannot create a group, join one or accept an invite link.
Group name and photo
PartialGroup name can be set by API; the group icon is only readable.
Not listedGroup names are read live from the line; no way to set a name or photo is documented.
Mentions
Not listed
Not listed
Tapbacks
SupportedSix classic tapbacks, custom emoji on newer lines; inbound reactions via agent.reaction.
SupportedSix tapback names or any single emoji. Sent only on inbound messages; received on message.received.
Threaded replies
Supportedreply_to_message_id; also on WhatsApp.
SupportedNative threaded replies to inbound iMessage or RCS messages, one-to-one only.
Typing indicators
SupportedSend only, best-effort, auto-expires after a few seconds.
PartialSend only, one-to-one and in groups. No inbound typing events are documented.
Read receipts
Not listedThe pricing page mentions read receipts; no API or webhook for them is documented.
PartialReports when recipients read your iMessages. No way to mark inbound messages read.
Edit and unsend
Not listed
Not listed
Message effects
Supported12 screen and bubble effects via send_style.
Not listed
Animated text effects
Not listed
Not listed
Stickers
Not listed
Not listed
Formatted text
Not listed
Not listed
Attachments
SupportedImages, video and files by URL; several images arrive as a carousel on iMessage.
SupportedOne attachment per iMessage, 5 MB. Images, audio, video, PDF, vCard and iCalendar. No HEIC.
Live Photos
Not listed
Not listed
Rich link previews
Not listed
Not listed
Voice messages
Not listed
SupportedA single audio file on an iMessage number is sent as a native voice message.
Contact cards
SupportedvCard files can be sent as media (listed as a supported MMS type).
SupportedSend .vcf files as media. Inbound cards arrive as text/vcard media (since October 2026).
Polls
Not listed
Supported2 to 10 options, one-to-one or in iMessage groups. Votes arrive as events with a live tally.
Chat backgrounds
SupportedSet or remove a background image per iMessage conversation.
Not listed
Location sharing
Not listedThe API has location endpoints returning coordinates per number, but their use is not described.
Not listed
iMessage apps
Not listed
Not listed
Live app cards
Not listed
Not listed
Sender name and photo
PartialContact card sets a display name and avatar on the iMessage number; $250/month line only.
SupportedSet the first name, last name and photo shown beside the number's iMessages.
FaceTime calls
Not listed
Not listed
Delivery status
PartialMessages carry a status and failure reason; no delivery or read webhooks are documented.
PartialiMessage sends report no delivery receipts; delivery is inferred once a read arrives.
iMessage availability check
SupportedLive check of iMessage, SMS and RCS reachability for a number before sending.
SupportedLookup endpoint checks whether any number can receive iMessage or WhatsApp.
Focus and Notify Anyway
Not listed
Not listed
Numbers and delivery
Managed lines
SupportediMessage lines are ordered through the API and run by AgentPhone.
SupportediMessage numbers are provisioned through the API, with asynchronous setup. No Mac or device needed.
Dedicated numbers
SupportedUS and Canada numbers at $3/month; dedicated iMessage lines at $250/month.
SupportedEach number belongs to your account. Docs say only US numbers can be provisioned now.
Shared numbers
Not listed
Not listed
Bring your own number
Not listed
Not listed
Line pooling
Not listed
Not listedDocs suggest splitting recipients across several iMessage numbers by hand; no automatic pooling found.
SMS fallback
SupportedFalls back to SMS/MMS when iMessage is not available.
SupportediMessage numbers fall back to RCS or SMS automatically, at no message charge.
RCS fallback
SupportediMessage-capable numbers deliver over RCS or SMS to non-Apple recipients.
Supported
Outbound-first messaging
PartialOutbound iMessage lines: 50 new contacts a day per line; inbound-only lines do not start chats; SMS needs 10DLC.
SupportedCold outbound allowed. Each iMessage number can start up to 50 new conversations a day.
Calls on the iMessage number
Not listed
SupportediMessage numbers also place and receive AI voice calls, or forward inbound calls.
Other channels
SMS
SupportedSMS and MMS; inbound works at once, outbound needs 10DLC.
SupportedTwo-way SMS; MMS to US and Canada. Subscription accounts can text US numbers only.
RCS
BetaRCS Business Messaging is beta and concierge-onboarded: branded sender, quick-reply chips.
PartialOnly as automatic fallback from iMessage numbers; not a channel you can pick.
WhatsApp
BetaBeta, enabled per account. Connect your own WhatsApp Business Account; Meta bills you.
BetaBeta, enabled per account. Runs on an iMessage number, one attachment per message.
Telegram
Not supportedNot offered
Not supportedNot offered
Slack
Not supported
Not supportedNot offered as a channel. A Zapier app can forward messages to Slack.
Email
Not supported
Not supportedNot offered
Phone calls
SupportedInbound and outbound calls in webhook mode or hosted AI mode; also browser web calls.
SupportedInbound and outbound AI voice calls with transcripts.
Apple Messages for Business
Not supportedNot offered
Not listedDocs say iMessage numbers send over Apple Messages for Business, but no business chat product is documented.
Unified channel API
SupportedOne send endpoint for SMS, MMS, iMessage, RCS and WhatsApp; one agent.message webhook incl. voice.
SupportedOne messages endpoint and event format for SMS, iMessage and WhatsApp, plus calls.
Developer tools
REST API
Supported
Supported
TypeScript SDK
Supportednpm install agentphone
Supported@getdial/sdk
Python SDK
Supportedpip install agentphone
Supporteddial-sdk
Other SDKs
Not listedDocs list only TypeScript and Python; an agentphone-go repo holds only a placeholder README.
Not supportedSDK overview lists only Node and Python clients, plus agent framework packages.
CLI
Not listedNo own CLI found; numbers can be provisioned through the Stripe Projects CLI.
Supporteddial CLI, installed with a shell script or npx. Needs Node 22 or later.
Webhooks
SupportedProject default webhook with per-agent overrides.
Supported
Signed webhooks
SupportedHMAC-SHA256 over timestamp and body, with a timestamp header for replay protection.
SupportedHMAC-SHA256 over timestamp and body, X-Dial-Signature header.
MCP server
SupportedHosted MCP server (mcp.agentphone.ai) and npm package agentphone-mcp.
SupportedRemote server with OAuth at getdial.ai/mcp, or local stdio through the CLI.
Open source
Not supportedClosed platform. The MCP server and framework integrations are MIT-licensed on GitHub.
PartialThe Chat SDK adapter is MIT on GitHub. The platform is closed.
Self-hosting
Not supportedHosted cloud service only
Not listedSelf-Hosted mode only means calls are driven by your own agent server; the platform itself is hosted.
Local testing
PartialBrowser web calls test a voice agent without a phone number; no message simulator found.
Not listed
Custom channel providers
Not listed
Not listed
Event replay
PartialFailed webhooks retry 5 times over about 20 hours; deliveries can be listed but not replayed.
PartialWebhooks retry up to 6 attempts. The live stream replays only about 2 minutes of missed events.
OpenTelemetry
Not listed
Not listed
No-code integrations
PartialAgentPhone block in Sim's no-code workflow builder; no Zapier, Make, n8n or GoHighLevel found.
SupportedZapier app with message and call triggers, and send, call and provision actions.
CRM integrations
Not listed
Not listed
Built for AI agents
Agent framework
SupportedHosted voice mode runs calls from a system prompt; conversation state rides along in webhooks.
PartialHosted AI voice agent runs calls from a prompt. Messaging is send and receive only.
Agent framework integrations
SupportedVercel Chat SDK adapter, LangChain, CrewAI and OpenAI Agents SDK tools, Google ADK guide.
SupportedLangChain, Vercel AI SDK, CrewAI, AutoGen, Microsoft Agent Framework and a Vercel Chat SDK adapter.
Streaming replies
PartialVoice only: NDJSON streamed webhook replies start speech on the first chunk.
Not listed
Agent group chats
PartialAgents can create and take part in iMessage groups; agent-to-agent groups are not described.
Not listed
Human handoff
PartialVoice only: cold transfer of a call to a transferNumber, by the AI or your webhook.
PartialThe voice agent can transfer a call to a person. No handoff for messaging.
Audit logs
Not listed
Not listed
Message history API
SupportedConversations with paginated messages and custom metadata; call transcripts.
SupportedList and search messages, up to the 100 most recent per request.
Plans and compliance
Free plan
Partial$5 starting credit, no card. Outbound calls need a top-up first.
Supported$5 of free credit, no card. Free accounts are capped at 5-minute calls and 2 concurrent calls.
Public pricing
Supported
Supported
No per-message fees
PartialiMessage lines and WhatsApp have no per-message charge; SMS is $0.02 a segment, MMS $0.03.
PartialMessages from a $250/month iMessage number are free. SMS on standard numbers is billed per message.
Uptime SLA
Not supportedTerms promise no uptime; SLAs only if set in an order or separate agreement.
PartialUptime SLA listed for Enterprise only.
Isolated infrastructure
Not listedSub-accounts isolate agents, numbers and data per client; no dedicated infrastructure offer found.
Not listed
SOC 2 Type II
PartialSOC 2 Type I report as of July 30, 2026; Type II examination in progress.
PartialSite says SOC 2 certified. Report type and a report are not published.
GDPR
SupportedPrivacy policy sets out GDPR legal bases for processing.
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

AgentPhone

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

Source

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

Which should you choose?

Choose AgentPhone if you need group management, group name and photo, message effects and chat backgrounds.

Choose Dial if you need read receipts, voice messages, polls and calls on the iMessage number.

Frequently asked questions