generated: '2026-07-18'
method: searched
source: https://compass.coupa.com/en-us/products/product-documentation/integration-technical-documentation/the-coupa-core-api/resources
docs: https://compass.coupa.com/en-us/products/product-documentation/integration-technical-documentation/the-coupa-core-api
api: Coupa Core API
authentication:
  style: oauth2-oidc
  ref: authentication/coupa-software-authentication.yml
content_negotiation:
  formats: [xml, json]
  default: xml
  notes: >-
    The Core API is a UTF-8 interface that returns XML by default and JSON on request. Coupa
    documents specific differences between the XML and JSON representations of records.
pagination:
  style: offset-limit
  params:
    - name: offset
      description: Zero-based index of the first record to return.
    - name: limit
      description: Maximum number of records to return in the page.
  notes: Large result sets are paged with offset/limit query parameters.
field_selection:
  supported: true
  param: fields
  notes: Requests can restrict the returned attributes by naming the desired fields.
filtering:
  style: attribute-suffix
  examples:
    - "<attribute>_greater_than"
    - "<attribute>_less_than"
    - "<attribute>_starts_with"
  notes: >-
    Records are filtered by appending comparison suffixes to attribute names in the query
    string. Suffix names shown are representative of Coupa's documented comparison operators.
resource_references:
  style: nested-and-id
  notes: >-
    Objects reference each other through nested collection endpoints (for example
    /suppliers/{id}/addresses, /purchase_orders/{id}/lines) and via id/foreign-key fields on
    the record body.
idempotency:
  supported: false
  notes: Coupa does not document a dedicated idempotency-key header for the Core API.
error_envelope:
  ref: null
  notes: >-
    Errors are returned in the requested representation (XML or JSON) with an HTTP status code;
    Coupa does not publish an RFC 9457 problem+json envelope for the Core API.
cross_links:
  authentication: authentication/coupa-software-authentication.yml
  lifecycle: lifecycle/coupa-software-lifecycle.yml
  data_model: data-model/coupa-software-data-model.yml