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Integration

Increase

Banking infrastructure: accounts, transfers, cards and checks. Your client pastes their Increase key once, and your agent or your code works with their access.

Payments

About Increase

Through Operate As, your agent, n8n workflow or code works in Increase with your client's own access. Your client pastes their API key from Increase once. We store it encrypted, so it never sits in an email or a shared doc. It comes with 114 ready-made tools for Increase's API, and the request tool reaches any endpoint they don't cover.

Common uses in Payments

  • Look up customers, payments and refunds
  • Send invoices and payment links
  • Report on revenue and failed payments

Increase

Increase · Payments

API key

Banking infrastructure: accounts, transfers, cards and checks

The client pastes their API key from Increase's settings. We store it encrypted.

Tested against Increase's live API.

Tools

Every tool your agent gets for Increase. Select one to see its inputs and an example call.

  • Loading every tool…

Building with Increase? The docs have setup steps and code for every tool.

Open the Increase docs

Any other endpoint

The request tool calls any Increase endpoint the tools above don't cover, with the client's access attached.

Base URL for request

https://api.increase.com

  • request

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

    Any endpoint of Increase's own API, with the client's access attached.

    servicestringrequired
    This service: increase
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://api.increase.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 Increase 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.