api & mcp

run inboxy from your code. or just ask Claude.

Everything you can do in the app, you can do from a REST API or an MCP server: connect domains, order mailboxes, push them to your sequencer and manage billing. Built for agencies running many clients.

api.inboxy.io/v1 · mcp.inboxy.io · 42 tools · 300 requests a minute per key

1REST API

one call to order mailboxes. priced before you pay.

Send a Bearer key from Settings, API and MCP. Every endpoint is in the OpenAPI spec, with examples in the docs.

  • ✓domains, mailboxes, orders, tags and exports
  • ✓registrar and sequencer connections
  • ✓licenses, subscription, wallet, invoices and team
quickstart in 5 minutes →
POST /v1/orders
curl "https://api.inboxy.io/v1/orders?dry_run=true" \
  -H "Authorization: Bearer $INBOXY_KEY" \
  -H "Idempotency-Key: order-0427" \
  -H "Content-Type: application/json" \
  -d '{
    "items": [{
      "domainId": "7c1e2a90-...",
      "sequencerConnectionId": "b41a0f3d-...",
      "mailboxes": [
        { "localPart": "anna", "fullName": "Anna Berg" },
        { "localPart": "anna.berg", "fullName": "Anna Berg" }
      ]
    }]
  }'
200 · { "dryRun": true, "mailboxes": 2, "quote": { "quantity": 2, "unitPriceCents": 300, "licenses": { "free": 3, "toBuy": 0 } } }

2MCP server

your AI assistant can set up mailboxes now. 42 tools, one click.

Add mcp.inboxy.io as a connector and sign in with your inboxy account. No key to copy. Works anywhere MCP does.

ClaudeChatGPTCursorCodexVS Code

you

“Connect getnorthwind.com and order 10 mailboxes for Anna Berg, then push them to Instantly.”

you

“Which of my domains have DNS problems right now?”

you

“How many free licenses do I have, and what will my next invoice be?”

domains

Search, connect, check DNS and see the exact records for every domain.

search_domainsconnect_domaincheck_domain_dnsget_domain_dns_records

mailboxes

Order mailboxes, reveal credentials, cancel and undo, tag them by client.

quote_ordercreate_orderreveal_mailbox_credentialsassign_tag

sequencers

Connect Instantly, Smartlead and more, then push mailboxes across in one call.

create_sequencer_connectionexport_mailboxesget_export

billing

Licenses, subscription, wallet and invoices. Buying needs a separate permission.

get_licensesadd_licensesget_walletlist_invoices

workspaces & team

One workspace per client. Switch between them and invite teammates.

list_workspacesswitch_workspaceinvite_team_member
set up the MCP server →

3built to be safe

automation that can't run up a bill by accident.

dry run first

Add ?dry_run=true to any order or purchase to get the exact price without spending anything.

never charged twice

Send an Idempotency-Key on a POST and a retry returns the first answer instead of ordering again.

asks before spending

Over MCP, anything that spends money or deletes asks you to confirm first.

scoped keys

A workspace key sees one client. An owner key works across all your workspaces.

your mailboxes,
one API call away.

Create a key in the app and order your first mailboxes in minutes. From $2.40 a mailbox a month.