generated: '2026-07-20'
method: derived
source: >-
  Derived from the published API resource categories on
  https://purchaser.ai/api-and-integrations and the product capability
  descriptions. Relationships are inferred from the sourcing domain, not from a
  published schema.
name: Purchaser Data Model
description: >-
  Entity graph for the Purchaser sourcing API, derived from the publicly listed
  API resources (/rfqs, /vendors, /conversations, /quotes, /files, /webhooks).
  Field-level structure is defined in the customer-gated OpenAPI 3.1 spec.
entities:
  - name: rfq
    endpoint: /rfqs
    description: A request for quotation / sourcing event.
  - name: vendor
    endpoint: /vendors
    description: A supplier engaged for an RFQ.
  - name: conversation
    endpoint: /conversations
    description: Vendor engagement thread tied to an RFQ.
  - name: quote
    endpoint: /quotes
    description: A vendor's bid submission, normalized for comparison.
  - name: file
    endpoint: /files
    description: Uploaded source document (PDF/email/spreadsheet) backing a quote or RFQ.
  - name: webhook
    endpoint: /webhooks
    description: Registered event-notification endpoint.
relationships:
  - from: quote
    to: rfq
    kind: belongs_to
    confidence: high
    basis: Bid leveling compares quotes within a single RFQ.
  - from: quote
    to: vendor
    kind: belongs_to
    confidence: high
    basis: Each quote is submitted by a vendor.
  - from: conversation
    to: rfq
    kind: belongs_to
    confidence: medium
    basis: Vendor conversations occur in the context of an RFQ.
  - from: file
    to: quote
    kind: belongs_to
    confidence: medium
    basis: Quotes are extracted/normalized from uploaded documents.
notes: >-
  Relationships are domain-inferred and marked with confidence; no id-prefix or
  field-level references were available from public sources.