generated: '2026-07-18'
method: derived
source: openapi/datanomik-openbanking-openapi.json
docs: https://docs.datanomik.com/docs/concepts
summary: >-
  Entity-relationship graph derived from the OpenBanking API paths and the documented
  glossary of resources. The central entity is the Link (a set of institution
  credentials); accounts, balances, owners, transactions, investments and payments all
  hang off a Link via the linkId reference used across the endpoints.
entities:
- name: Link
  description: A set of credentials to access an institution account (recurrent or one-shot). Root of the graph.
  key: linkId
- name: Account
  description: An account at a connected financial institution.
  key: accountId
  path: /v1/accounts
- name: Balance
  description: Account balance, with history.
  path: /v1/balances/history
- name: GeneralOwner
  description: Owner of an institution account.
  key: ownerId / generalOwnerId
  path: /v1/general-owners
- name: Transaction
  description: A transaction on an account (including manually created ones).
  path: /v1/transactions
- name: Asset
  description: Consolidated view of a link (accounts, balances, owners, users).
  path: /v1/links/sync/assets/{linkId}
- name: Investment
  description: Investment holdings and movements (funds, committed, deposits, COE).
  path: /v1/investments
- name: Payment
  description: Payments and payment slips, with downloadable receipts.
  path: /v1/payments
- name: PixTransaction
  description: PIX transactions, with downloadable receipts.
  path: /v1/pix-transactions
relationships:
- from: Account
  to: Link
  type: belongs_to
  via: linkId
- from: Balance
  to: Account
  type: belongs_to
  via: accountId
- from: GeneralOwner
  to: Link
  type: belongs_to
  via: linkId
- from: Transaction
  to: Account
  type: belongs_to
  via: accountId
- from: Asset
  to: Link
  type: belongs_to
  via: linkId
- from: Investment
  to: Link
  type: belongs_to
  via: linkId
- from: Payment
  to: Link
  type: belongs_to
  via: linkId
- from: PixTransaction
  to: Link
  type: belongs_to
  via: linkId
- from: Payment
  to: GeneralOwner
  type: has_one
  via: generalOwnerId