Start free. Pay as you grow.
Give each AI agent an identity: email, iMessage, internet address, and a credential vault on every plan — phone and custom domains when you need them.
Free
$0
/ month
For exploring Inkbox
3 agent identities (no phone numbers)
Every identity includes a mailbox, a public internet address (tunnel), access to contacts and a credential vault
iMessage enabled for one identity: up to 1,000 messages and 2 unique recipients per org per month
No credit card required to start
Hobbyist
$10
/ month
For solo hobbyists shipping their first agents
5 agent identities: 1 phone-enabled
Each phone-enabled identity includes 300 SMS/MMS and 30 call minutes per month
iMessage enabled for all identities: up to 10,000 messages and 5 unique recipients per org per month
5 custom email domains
Developer
$25
/ month
For developers running agents in production
15 agent identities: 3 phone-enabled
Each phone-enabled identity includes 300 SMS/MMS and 30 call minutes per month
iMessage enabled for all identities: up to 30,000 messages and 15 unique recipients per org per month
15 custom email domains
Overage and add-ons
Allowances do not roll over. Prices exclude applicable taxes.
Additional SMS/MMS
$0.03 / message
Additional SMS/MMS (on your own 10DLC campaign)
$0.02 / message
Additional call minutes
$0.03 / minute
10DLC campaign
We handle brand registration, campaign registration, and Campaign Registry fees.
$20 / month / active campaign
U.S. carriers require SMS senders to register a brand and 10DLC campaign with The Campaign Registry. Managed campaigns are billed only while your campaign is approved and active. Registering your own 10DLC campaign supports higher SMS volume at a lower per-message rate.
