Paid plans
Paid plans · Flow pricing · iMessage API plans · dedicated iMessage line · Flow cloud ProWhat each Flow plan costs and includes, how the workspace owner buys one, and what happens at a limit.
Flow sells Messaging plans, which set how many people your agents reach on each channel, and Pro, for Flow cloud. Prices are in US dollars a month. Pricing has the full rules: who counts, and what happens to people past a limit.
Messaging plans
Section titled “Messaging plans”- Free trial, $0: 25 people per channel, in total, on Flow’s shared lines (the shared
iMessage line included). Your first sign-in at flow.engineer, or
npx @flow-engineer/flow setup, starts it, once per account. - Shared, $25 a month: Flow’s shared lines with live keys, 300 people a month and 200 a day per channel. Live as soon as the payment goes through.
- Dedicated, $100 a month: your own iMessage line, 1,000 people a day on it (a new line starts at 250 a day and ramps up over its first 14 days), plus Shared’s limits on Flow’s shared lines.
- Dedicated lines are reviewed first. Flow reviews each line before ordering it, usually within a day. If Flow declines it, your Dedicated payment is refunded and you are on Shared.
- Outbound add-on, +$40 a month on Dedicated: your agent may message people first. Without it, a line only replies to people who wrote to it.
- Included, nothing to buy: SMS/RCS fallback on every iMessage line (the free trial, Shared and Dedicated), and call forwarding on a Dedicated line.
- A plan covers every app of the account; limits count per channel.
Flow cloud: Pro
Section titled “Flow cloud: Pro”- Starter, $0: up to 25 users.
- Pro, $25 a month, paid ahead: 500 users included, then each user past 500 by band ($0.025 up to 1,000, $0.02 up to 5,000, $0.015 up to 20,000, $0.01 after that).
- Pro includes $10 of agent credit a month (no rollover); agent usage past it is billed at cost, with no markup.
- A user is a person who used your agents in the month, through any surface. Test conversations never count.
- Pro + a Dedicated line: Dedicated is billed as its own plan, bought right after Pro: $125 a month for both, before Pro’s usage past what it includes.
Buy a plan
Section titled “Buy a plan”Only the workspace owner buys. Other members can open the plans and send the owner the link.
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In the dashboard: Settings → Usage and billing → Choose a plan, or open flow.engineer/dashboard/plans.
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A link that picks the plan: add
?plan=shared,?plan=dedicated,?plan=dedicated&outbound=1(Dedicated with Outbound) or?plan=pro, for examplehttps://flow.engineer/dashboard/plans?plan=shared. -
From the API:
GET /v0/applists the plans inplans, with their prices andupgrade_url. A coding agent should give the owner that link. -
Change or cancel in the same place. A cancelled plan runs to the end of the month paid for.
At a limit
Section titled “At a limit”- The API’s limit errors (such as
plan_people_limitandsandbox_contact_limit) carry a hint that names the next plan and its buy link. See Past a limit.
- Write to support@flow.engineer with your app ID (
GET /v0/app). Never send keys or secrets.
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