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Integration

ProcurementExpress.com

Purchase orders, approvals and budgets. Your client pastes their ProcurementExpress.com key once, and your agent or your code works with their access.

Accounting

About ProcurementExpress.com

Through Operate As, your agent, n8n workflow or code works in ProcurementExpress.com with your client's own access. Your client pastes their API key from ProcurementExpress.com once. We store it encrypted, so it never sits in an email or a shared doc. Your agent reaches any endpoint of ProcurementExpress.com's API through the request tool, with the client's access attached.

Common uses in Accounting

  • Create invoices and record payments
  • Match transactions and chase overdue bills
  • Pull numbers for a monthly report

ProcurementExpress.com

ProcurementExpress.com · Accounting

API key

Purchase orders, approvals and budgets

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

Tested against ProcurementExpress.com's live API.

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

Open the ProcurementExpress.com docs

Tools

Your agent calls any endpoint of ProcurementExpress.com's API with the request tool, with the client's access attached.

Base URL for request

https://app.procurementexpress.com/api/v3

  • request

    HTTPS ANY /v1/clients/{clientId}/procurementexpress-com/{path}

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

    servicestringrequired
    This service: procurementexpress-com
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://app.procurementexpress.com/api/v3
    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 ProcurementExpress.com 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.