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hail.so
Pricing

One price.
Everything included.

No subscription, no surprise line items. Add credit and spend it on calls, texts, and email.

$0.10
Per minute of voice
The call, the voice it speaks with, and the thinking behind it, all in the $0.10. $1 buys 10 minutes.
$0.018
Per text (US)
$1 sends 55 texts. Hail texts every country: Canada is $0.035 a text, everywhere else is $0.20. Text only for now, no MMS. A dedicated number is billed at cost, from $1.00/mo, with no markup.
$1
Per 1,000 emails
Send and receive. Your own domain, or an address on mail.hail.so. 10,000 emails is $10.
Hail · usage estimateNo. 0001
$50 credit
Calls60%
≈ 300min · $0.10/min
Texts20%
≈ 555texts · $0.018 each
Email20%
≈ 10,000emails · $1/1,000
Allocated$50.00 / $50.00
Sign up in 30 seconds. Pay only for what you use.Get started

Side by side. Their pages, our math.

■ Observed August 2026
HailALL-IN
calls · texts · email · one balance
Twilio
CPaaS building blocks
twilio.com/pricing ↗
Vapi
Voice agents
vapi.ai/pricing ↗
Retell AI
Voice agents
retellai.com/pricing ↗
Resend
Email API
resend.com/pricing ↗
Mailgun
Email API
mailgun.com/pricing ↗
AI phone calls
per minute, all components
$0.10/min★ BEST
the call, the transcription, the model, the voice. No platform fee.
~$0.095–0.11/min
ConversationRelay + voice leg; bring, pay, and wire your own LLM
~$0.13–0.15/min
$0.05/min platform fee + provider costs; $10/mo per extra concurrency line
~$0.165/min
four separate meters; their own GPT-5.5 example is $0.24/min
—
not offered
—
not offered
Email
10,000 messages a month
$1/1,000★ BEST
10,000 emails is $10. Usage only, nothing monthly. Send and receive.
$19.95/mo
via SendGrid: separate product, account, and bill
—
not offered
—
not offered
$20/mo
Pro is the smallest paid plan; free tier caps at 3k/mo, 100/day
$15/mo
Basic plan; 1-day log retention, overage $1.80/1k
Texts (US)
per segment, fees included
$0.018/text
carrier passthrough fees included in the rate.
~$0.0134★ BEST
$0.0083 sticker + carrier fees, + $2–10/mo campaign + up to $59 setup
—
not offered
—
not offered
—
not offered
—
not offered
Phone number
monthly
from $1.00/mo★ BEST
billed at carrier cost, no markup. Outbound calls need no number: shared line included.
$1.15/mo
rented, before any usage
via Twilio
bring your own telephony account
$2/mo
$10/mo + $10 setup for verified numbers
—
not offered
—
not offered
To get all three channels
calls + texts + email
1 account★ BEST
one balance, one API, MCP native.
2 accounts
Twilio + SendGrid, reconciled by you
3+ accounts
Vapi + telephony + an email vendor
3+ accounts
Retell + telephony extras + an email vendor
Email only
no calls, no texts
Email only
no calls, no texts
→ ★ marks the lowest price in a row. Twilio wins raw per-text price at volume; Hail's rate includes the carrier passthrough fees that Twilio bills separately. Raw CPaaS (e.g. Telnyx, ~$0.0085/segment all-in) is cheaper still if you run the carrier setup yourself.
Competitor prices observed August 2026 from the linked public pages; they change, the links are live (SendGrid: sendgrid.com/pricing). Hail numbers on this page are read from the same rate table the billing system charges from.

Included. Not extra.

A shared voice line
Outbound calls work with no number rental. Add your own number for texts and inbound, billed at carrier cost.
An email address
Yours or ours. Replies, threads, and attachments handled.
One balance
Calls, texts, and email spend from one prepaid balance. No seats, no minimums.

One bill instead of three.

With Hail
One account. One balance. Shared voice line and email address included.
You pay for usage, plus your own number at carrier cost.
Wired yourself
Twilio for calls and texts, SendGrid for email, glue code between them. Number rental, plan minimums, carrier paperwork, before the first message.
→ Same price to send or receive on texts and email. → Self-hosting? You pay your carrier directly; Hail is free. See the full comparison

Top up. Spend it your way.

■ Add credit anytime
START HERE
Any amount
$1+
custom top-ups · credit never expires
Get started
Top-up
$20
≈ 200 min of calls
or 1,111 texts
or 20,000 emails
Top-up · popular
$50
≈ 500 min of calls
or 2,777 texts
or 50,000 emails
Top-up
$100
≈ 1,000 min of calls
or 5,555 texts
or 100,000 emails
→ Credit never expires while your account is active. Top up any custom amount. One balance covers calls, texts, and email.

Questions, answered.

Is there a subscription?
Not for the platform itself. Hail is prepaid: top up credit and spend it across calls, texts, and email, no seats or minimums. The one recurring cost is a dedicated number (SMS needs one), billed at cost on top of usage (see below).
What exactly is in the $0.10 a minute?
Everything the call needs: the phone connection, the voice your agent speaks with, the listening, and the thinking. There is no separate bill for any of it, from us or anyone else.
Is it really one balance for everything?
Yes, one balance covers every channel. No separate Twilio, SendGrid, or carrier accounts to reconcile.
What counts as one text?
Standard texts up to 160 characters bill once. Longer texts are split by carriers into 160-character parts and each part bills once. That's how every provider meters SMS; we just say it out loud. Hail sends and receives text only for now, with no MMS or picture messages yet. The rate above is for US numbers. Hail texts every country, at three prices: $0.018 a text to the US, $0.035 to Canada, and $0.20 to every other destination, since carrier costs vary sharply by destination.
What happens when my credit runs out?
Usage pauses. Nothing keeps billing, nothing goes negative: top up and it resumes.
What about the number and email domain?
Outbound calls ride a shared voice line at no rental, and every workspace gets an email address on mail.hail.so (or bring your own domain). A dedicated number (SMS needs one) is billed at cost, from $1.00/mo: whatever the carrier charges us, no markup.
Do I need a Twilio account?
Not on managed: we provision numbers for you through our own carrier accounts, one API call, no console safari. If you self-host, bring your own carrier keys and pay them directly; Hail itself is free.

Sign up. Pay per use.

One balance, every channel. See how it stacks up in the comparison.

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