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Integration

Maxio Advanced Billing

Subscription billing and revenue management. Your client pastes their Maxio Advanced Billing key once, and your agent or your code works with their access.

Payments

About Maxio Advanced Billing

Maxio Advanced Billing, formerly Chargify, is subscription billing and revenue management software.

With your client's Maxio connected, your agent can work with their subscriptions and billing.

Maxio Advanced Billing

Maxio Advanced Billing · Payments

API key

Subscription billing and revenue management

The client pastes their API key from Maxio Advanced Billing's settings. We store it encrypted.

Building with Maxio Advanced Billing? The docs have setup steps and code for every tool.

Open the Maxio Advanced Billing docs

Tools

Your agent calls any endpoint of Maxio Advanced Billing's API with the request tool, with the client's access attached.

Base URL for request

https://{subdomain}.chargify.com

  • request

    HTTPS ANY /v1/clients/{clientId}/maxio/{path}

    Any endpoint of Maxio Advanced Billing's own API, with the client's access attached.

    servicestringrequired
    This service: maxio
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://{subdomain}.chargify.com
    queryobjectoptional
    Query parameters
    bodyobjectoptional
    A JSON body

Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.

What the client approves

  • Use the Maxio Advanced Billing key you paste, with only the access you gave that key

Get started

Send your next client one link

Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.