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Integration Service user guide

Last updated May 21, 2026

Coupa authentication

Prerequisites​

To create a connection, you need the following credentials:

  • OAuth 2.0 Client Credentials: Site URL, Client ID, Secret, Scope
  • Custom: Site Url, Api key

Creating an OAuth connection​

To obtain the necessary credentials for an OAuth connection, log in to Coupa as an integrations-enabled administrator to create a client using a Client credentials grant type.

  1. Log in to your Coupa instance and select the Setup button in the upper-right corner of the interface.
  2. Scroll to the Integrations section and select Oauth2/OpenID Connect Clients.
  3. Select Create.

Add the Coupa connection​

  1. Select Orchestrator from the product launcher.

  2. Select a folder, and then navigate to the Connections tab.

  3. Select Add connection.

  4. To open the connection creation page, select the connector from the list. You can use the search bar to find the connector.

  5. Select your preferred authentication type.

  6. Enter the required credentials and select Connect.

    For any secret-type field, you can select the menu next to the field and choose Use credential asset to reference an Orchestrator credential asset linked to an external vault instead of entering the value directly. For more information, see Use credential assets for connections.

Scopes​

The following Scopes are required for any connection and are automatically selected: email login offline_access openid profile core.common.read.

Depending on your needs, you can select other scopes from the available multiple-selection list. The following table lists all the scopes you may need when interacting with Coupa objects.

ObjectOperationScopes
accountsGET /accounts POST/accounts GET/accounts PUT/accountscore.accounting.read core.accounting.write
approvalsGET/approvals GET/approvals/{id}core.approval.read
budget_linesGET /budget_lines GET /budget_lines/{id}core.budget.read
cancel_purchaseordersPUT/close_purchaseorders/{id}core.purchase_order.write
close_purchaseordersPUT/close_purchaseorders/{id}core.purchase_order.write
contractsGET/contracts/{contractId}/attachments GET/contracts/{contractId}/attachments/{attachmentId}core.contract.read
contracts/{contractId}/retrieve_legal_agreementGET/contracts/{contractId}/retrieve_legal_agreementcore.contract.read
expense_linesGET/expense_lines GET/expense_lines/{id}core.expense.read
expense_reportsGET/expense_reports GET/expense_reports/{id}core.expense.read
inventory_transactionsGET/inventory_transactions POST/inventory_transactions GET/inventory_transactions/{id}core.inventory.adjustment.read core.inventory.adjustment.write core.inventory.asn.read core.inventory.balance.read core.inventory.common.read core.inventory.consumption.read core.inventory.consumption.write core.inventory.receiving.read core.inventory.receiving.write core.inventory.transfer.read core.inventory.transfer.write
invoicesGET/invoices POST/invoices GET/invoices/{id} PATCH/invoices/{id}core.invoice.approval.bypass core.invoice.approval.write core.invoice.create core.invoice.delete core.invoice.read core.invoice.write
issue_purchaseordersPUT/issue_purchaseorders/{id}core.purchase_order.write
itemsGET/items, POST/items GET/items/{id} PATCH/items/{id}
purchase_order_changesGET/purchase_order_changes GET/purchase_order_changes/{id}core.purchase_order.read
purchase_order_linesGET/purchase_order_lines GET/purchase_order_lines/{id}core.purchase_order.read
purchase_ordersGET/purchase_orders GET/purchase_orders/{id} PATCH/purchase_orders/{id}core.purchase_order.read core.purchase_order.write
quote_requestsGET/quote_requests POST/quote_requests GET/quote_requests/{id} PUT/quote_requests/{id}
requisitionsGET/requisitions POST/requisitions GET/requisitions/{id} PATCH/requisitions/{id}core.requisition.read core.requisition.write
suppliersGET/suppliers POST/suppliers GET/suppliers/{id} PUT/suppliers/{id}core.supplier.read core.supplier.write
user_groupsGET /user_groups POST /user_groups GET /user_groups/{id} PATCH / user_groups/{id}core.user_group.read core.user_group.write
usersGET /users POST /users GET /users/{id} PUT / users/{id}core.user.read core.user.write
  • Prerequisites​
  • Creating an OAuth connection​
  • Add the Coupa connection​
  • Scopes​

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