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ChangelogUpgrade to v3Upgrade to v2Legacy Changelog

Changelog

Release notes and versioning updates for the Fiskil Data API.

AI Actions

All changes to the Data API are listed here. For changes made before the new versioning model, see the Legacy Changelog.

For how version selection works — the X-Fiskil-Version header, Console pinning, and what counts as a breaking change — see API Versioning.

Version
Changes
08-07-2026 (v3.0.0)
v3.0.0

Initial release of major version v3. v3 is now the current major version for new accounts.

This release introduces breaking changes for two Core Resources endpoints:

  • Consents: GET /consent (list consents)
  • End Users: GET /end-users (list end users)

Banking and Energy endpoints are unchanged from v2.

New in v3: cursor-based pagination (page[before], page[after], page[size]) and a links object on the consents and end-users list responses.

See the v2 -> v3 upgrade guide for the exact request and response schema changes.


25-06-2026 (v2.0.1)
v2.0.1
  • Bug fix: Added missing arrangement_id field to the energy invoices endpoint.
  • Bug fix: Add 429 status code for banking balance endpoint with live fetch=true.
  • New feature: Get consents endpoints now support the expires_before query parameter.

07-04-2026 (v2.0.0)
v2.0.0

Initial release of major version v2.

This release introduces breaking changes for:

  • Identity: GET /common/identity
  • Banking: GET /banking/transactions
  • Banking: GET /banking/products/{product_id}
  • Banking: GET /banking/accounts

See the v1 -> v2 upgrade guide for the exact response schema changes.


25-06-2026 (v1.0.1)
v1.0.1
  • Bug fix: Added missing arrangement_id field to the energy invoices endpoint.
  • Bug fix: Add 429 status code for banking balance endpoint with live fetch=true.
  • New feature: Get consents endpoints now support the expires_before query parameter.

07-04-2026 (v1.0.0)
v1.0.0

Baseline major version at the start of the new versioning model.

No breaking changes were introduced in v1.0.0. It keeps the same response shapes as the pre-versioning API endpoints below and all existing customers were pinned to it by default.

  • Core Resources: Institutions, Consents, End Users
  • Banking APIs: Accounts, Transactions, Balances
  • Energy APIs: Service Points, Usage
  • Webhook integrations for data sync events

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