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Coupa Invoices API

Create, retrieve, update, and manage invoices. Invoices represent billing documents from suppliers for goods or services delivered.

Coupa Invoices API is one of 16 APIs that Coupa publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 2 JSON Schema definitions.

Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, a getting-started guide, a JSON-LD context, and 2 JSON Schemas.

This API exposes 8 operations across 6 paths, and defines 11 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://{instance}.coupahost.com/api.

8 operations 6 paths 11 schemas 2 GET1 POST5 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://instance.coupahost.com/api
Authentication
OAuth 2.0, API Key
Terms of Service
Resource Areas
1

Authentication & Security 2

Coupa Invoices API declares 2 security schemes for authenticating requests. It supports OAuth 2.0 (oauth2) using the clientCredentials flow, exposing 8 scopes. An API key is passed in the header as X-COUPA-API-KEY (apiKey). By default, every request must be authenticated.

  • oauth2 — OAuth 2.0 authentication. Coupa supports the clientcredentials grant type. Obtain client credentials from Coupa instance setup.
  • apiKey — Legacy API key authentication. Coupa recommends migrating to OAuth 2.0. API keys are configured per Coupa instance.

Paths & Operations 8

Across 6 paths, the API surfaces 8 operations — 2 GET, 1 POST, 5 PUT. Each is listed below with its method, path, parameters, and response codes.

Invoices 8

Create, retrieve, update, and manage invoices. Invoices represent billing documents from suppliers for goods or services delivered.

GET
/invoices
Coupa List invoices
listInvoices 9 params → 200400401500
POST
/invoices
Coupa Create an invoice
createInvoice body → 201400401422500
GET
/invoices/{id}
Coupa Get an invoice
getInvoice 2 params → 200401404500
PUT
/invoices/{id}
Coupa Update an invoice
updateInvoice 1 param body → 200400401404422500
PUT
/invoices/{id}/submit
Coupa Submit a draft invoice for approval
submitInvoice 1 param → 200401404422500
PUT
/invoices/{id}/abandon
Coupa Abandon an invoice
abandonInvoice 1 param → 200401404422500
PUT
/invoices/{id}/void
Coupa Void an approved or pending invoice
voidInvoice 1 param → 200401404422500
PUT
/invoices/{id}/dispute
Coupa Dispute an invoice
disputeInvoice 1 param body → 200401404422500

Schemas 11

The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are Invoice (53 properties), InvoiceCreate (22 properties), InvoiceLine (16 properties), InvoiceUpdate (11 properties). Each schema is shown below with its type and property counts.

Invoice
object
An invoice representing a billing document from a supplier for goods or services delivered.
53 properties
ApprovalReference
object
Reference to an approval record
2 properties
UserReference
object
Reference to a Coupa user
3 properties
PaymentTermReference
object
Reference to a payment term
2 properties
InvoiceCreate
object
Schema for creating a new invoice
22 properties 5 required
InvoiceLine
object
A line item on an invoice
16 properties
InvoiceUpdate
object
Schema for updating an invoice
11 properties
CurrencyReference
object
Reference to a currency
2 properties
Error
object
1 property
AddressReference
object
Reference to an address
8 properties
SupplierReference
object
Reference to a supplier
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

coupa-invoices-api-openapi.yml Raw ↑

Other APIs Coupa publishes across the network.

Coupa Integration API
Coupa Supplier API
Coupa Analytics API
Coupa CCW API
Coupa CSO API
Coupa Treasury API
Coupa Open Buy API
Coupa Payments API
Coupa Procurement API
Coupa Invoicing API
Coupa Expenses API
Coupa Inventory and Receipts API
Where this information came from

This is an independent, third-party profile of Coupa Invoices API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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