> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.fynapse.app/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.fynapse.app/_mcp/server. # Changelog The API Changelog provides a record of updates, enhancements, and fixes we implemented. ## Deprecation Notices No current deprecations. ## October 27, 2026 > **Info** > > Non-breaking changes ## Summary We've introduced a new set of configuration APIs for different areas in Fynapse. > **Info** > > We updated and expanded the table of contents for the REST API Reference guide to accomodate the larger volume of available REST API endpoints: > > * Platform & Settings - manage platform-wide settings, feature flags and configuration that control Fynapse behaviour. > * Data Model - define and manage the data structures, business events and journal definitions used within Fynapse. > * Accounting & Processing - configure accounting structures, currencies, calendars and processes used to manage and transform financial data. > * Accounting Rules - define and manage the rules that determine how Business Events are interpreted and posted to accounts. > * Data Ingestion & Extraction - ingest financial data into Fynapse and extract processed data for downstream systems and reporting. > * Integrations & Automation - configure external system integrations, webhook notifications and automated workflows. ### What's new? New API capabilities: ### Platform and Settings #### Feature Flags Foreign Exchange Settings: * Get the foreign exchange settings * Replace the foreign exchange settings Business Date Settings: * Get the business date settings * Replace the business date settings Unposted Journals Flag: * Get the Unposted Journals flag * Change the Unposted Journals flag #### Approval Workflows * List approval workflow configurations * Create an approval workflow configuration * Read an approval workflow configuration * Replace an approval workflow configuration * List the versions of an approval workflow configuration * Check whether an approval workflow configuration would be saved ### Data Model #### Namespaces & Entities: * Create an Entity * Update an Entity definition * List the change history of an Entity * Get one version of an Entity definition * Search Entity data #### Business Event Definition: * Get the Business Event Definition * Create or replace the Business Event Definition * Dry-run a create or replace #### Journal Line Definition: * Get the Journal Line Definition * Create the Journal Line Definition, or add to it * Dry-run a create or additive update #### Journal Types: * List Journal Types * Get a Journal Type by its code * Create or replace a Journal Type * Delete a Journal Type * Dry-run a create or replace #### Journal Mapping: * Get the Journal mapping * Create or replace the Journal mapping * Dry-run a create or replace #### Journal Grouping: * Get the Journal grouping * Create or replace the Journal grouping * Dry-run a create or replace ### Accounting Configuration #### Fiscal Calendars: * List Fiscal Calendars * Create a Fiscal Calendar * Get a Fiscal Calendar by name * Update a Fiscal Calendar by name * List the version history of a Fiscal Calendar * Get one version of a Fiscal Calendar * Preview the periods of a Fiscal Calendar definition #### Business Calendars: * List Business Calendars * Create a Business Calendar * Get a Business Calendar by name * Update a Business Calendar by name * List the version history of a Business Calendar * Get one version of a Business Calendar * Preview the days of a Business Calendar definition * Check whether a Business Calendar name is taken * List the countries available to public-holiday rules #### Dimension Sets: * List Dimension Sets * Get a Dimension Set by its name * Create or replace a Dimension Set * Delete a Dimension Set * Dry-run a create or replace #### Node Configurations: * List Node Configurations * Get a Node Configuration by its key * Create or replace a Node Configuration * Delete a Node Configuration * Dry-run a create or replace #### Accounting Bases: * List Accounting Bases * Get an Accounting Base by its name * Create or replace an Accounting Base * Delete an Accounting Base * Dry-run a create or replace #### Deferral Calculator * Get the deferral calculator configuration * Replace the deferral calculator configuration #### Rate Sets * List rate sets * Get a rate set by its name * Create a rate set * Dry-run a create ### Accounting Rules #### Business Event Types: * List Business Event Types * Get a Business Event Type by its name * Create or replace a Business Event Type * Delete a Business Event Type * Dry-run a create or replace #### Posting Components: * List Posting Components * Get a Posting Component by its code * Create or replace a Posting Component * Delete a Posting Component * Dry-run a create or replace #### Account Lookups: * List Account Lookups * Get an Account Lookup by its posting code * Create or replace an Account Lookup * Delete an Account Lookup * Dry-run a create or replace #### Accounts: * List Accounts * Get an Account by its number * Create or replace an Account * Deactivate an Account * Dry-run a create or replace #### Posting Component Identifications: * List Posting Component identification rule sets * Get a Business Event Type's Posting Component identification rules * Replace a Business Event Type's Posting Component identification rules * Delete a Business Event Type's Posting Component identification rules * Dry-run a rule set replacement Change Sets: > **Info** > > Change sets let you bundle related changes to Business Event Types, Posting Components, Account Lookups and > Posting Component identification rules, and submit them for approval as one package. * Open a change set * List open change sets * Get one change set, in any state * Abandon a change set * Submit a change set for approval ### Balances Saved Balance Queries: * List saved balance queries * Create a saved balance query * Read a saved balance query * Replace a saved balance query * List the recorded changes of a saved balance query * Check whether a saved balance query would be saved ### Balance Processing This release adds endpoints for FX Revaluation, Yearend Cleardown and Reclassification configurations and their assignment to targets. A target is an Accounting Base assigned to a Node Configuration. FX Revaluation: * List FX revaluation configurations * Create an FX revaluation configuration * Read an FX revaluation configuration * Replace an FX revaluation configuration * List the versions of an FX revaluation configuration * Check whether an FX revaluation configuration would be saved * List the targets of FX revaluation configurations * Read the FX revaluation configurations of one target * Replace the FX revaluation configurations of one target Yearend Cleardown: * List Yearend Cleardown configurations * Create a Yearend Cleardown configuration * Read a Yearend Cleardown configuration * Replace a Yearend Cleardown configuration * List the versions of a Yearend Cleardown configuration * Check whether a Yearend Cleardown configuration would be saved * List the targets of Yearend Cleardown configurations * Read the Yearend Cleardown configuration of one target * Replace the Yearend Cleardown configuration of one target Reclassification: * List Reclassification configurations * Create a Reclassification configuration * Read a Reclassification configuration * Replace a Reclassification configuration * List the versions of a Reclassification configuration * Check whether a Reclassification configuration would be saved * List the targets of Reclassification configurations * Read the Reclassification configurations of one target * Replace the Reclassification configurations of one target ### Extraction Extract configurations: * Create an extract configuration * Read an extract configuration * Edit or submit an extract configuration * List the recorded changes of an extract configuration * Check whether an extract configuration would submit ### Integration and Automation #### Webhook Subscriptions * Get subscription by name * Update subscription by name * List the recorded saves of a subscription by name * Check whether a subscription would be saved #### D365 Configurations: * List D365 configurations * Create a D365 configuration * Get a D365 configuration by name * Update a D365 configuration by name * List the change history of a D365 configuration * Get one row of the change history of a D365 configuration #### Flow Configurations * List Flows * Create a Flow * Check a Flow without saving it * Read a Flow * Archive a Flow * Replace the draft of a Flow * List the published versions of a Flow * Publish the draft of a Flow ### Improvements NA ### Bug fixes NA ## September 4, 2026 > **Info** > > Non-breaking changes ## Summary We've introduced a new set of APIs for email subscriptions and webhook subscriptions. ### What's new? New API capabilities: #### Data Extraction This release introduces email subscription endpoints and expands on the webhook subscription endpoints by adding additional capabilities. Email subscriptions: * Get list of email subscriptions * Create email subscription * Get email subscription details * Update email subscription * Delete email subscription * Activate email subscription * Deactivate email subscription * Activate email subscription by name * Deactivate email subscription by name Event deliveries: * Force a redelivery of a delivery * Search subscriptions * Delete subscription * Partially update subscription * Rotate a subscription's signing secret * Send a test webhook ### Improvements NA ### Bug fixes NA ## June 15, 2026 > **Info** > > Non-breaking changes ## Summary We've introduced a new set of APIs to help you trigger asynchronous data extraction. ### What's new? New API capabilities: #### Data Extraction This release expands on the data extraction endpoints by adding additional capabilities. * Trigger an extraction * Trigger a rerun of an execution endpoint * List executions for an extract configuration * Get execution details of a triggered extraction * Download the output file of an execution run * Get the status of one sub-extract of an execution * Download the output file of one run of a sub-extract ### Improvements NA ### Bug fixes NA ## April 27, 2026 > **Info** > > Non-breaking changes ## Summary We've introduced a new set of APIs to help you create, manage, and monitor webhook subscriptions programmatically. ### What's new? New API capabilities: #### Subscriptions You can now fully manage webhook subscriptions: * Create a subscription * Retrieve subscription details * Update an existing subscription * Activate or deactivate a subscription * List all subscriptions * View deliveries for a specific subscription #### Event Deliveries Gain visibility into webhook activity: * List deliveries with filtering options * Retrieve detailed delivery information * View deliveries associated with a specific event #### Secrets Management Secure your webhook endpoints with built-in secret management: * Create and retrieve secrets * Update secret descriptions * Rotate secrets * Delete secrets * List all secrets (metadata) #### Environment Variables Configure webhook behavior dynamically: * Create, update, and delete environment variables * Retrieve variable details * List all environment variables These APIs give you full control over webhook lifecycle management, improve observability into event deliveries, and enhance security with robust secret handling. ### Improvements NA ### Bug fixes NA ## April 3, 2025 > **Info** > > Non-breaking changes ## Summary This release expands on the statistic endpoints by adding additional capabilities. ### What's new? New API capabilities: * New Statistics endpoints: * `Get ingestion metrics` * `Get Journal metrics` * `Get Journal metrics by day` * `Get processing metrics` * `Get throughput metrics` ### Improvements NA ### Bug fixes NA ## February 3, 2025 > **Info** > > Non-breaking changes ## Summary This release provides small improvements and an amendment to response data. ### What's new? New API capabilities: * For `Get data by extractionConfigId` and `Get data by extractionConfigId as JSONL file` endpoints, the 200 response will include the JournalSummaryId if you enable Journal aggregation. ### Improvements * `Get data by extractionConfigId` endpoint not work for non-incremental Journal aggregation extracts. ### Bug fixes NA ## January 3, 2025 > **Info** > > Non-breaking changes ## Summary This release introduces new APIs for namespace management and entity metadata, along with processing statistics to improve visibility and control across your workloads. ### What's new? New API capabilities: * New endpoint in Data Ingestion: * `Generates an example of a valid request to upload data for a given Entity and Namespace` * New Entity Management via API section with the following endpoints: * `Get all Namespaces` * `Get the list of Entities in a Namespace` * `Get an Entity schema from the Namespace` * New endpoints in Bulk Operations * `Get the Fynapse configuration` * `Upload a new Fynapse configuration` * `Delete Fynapse configuration` ### Improvements NA ### Bug fixes NA ## January 2, 2025 > **Note** > > This is the first stable release of the API. We recommend reviewing authentication and ingestion workflows before integrating into production systems. ## Summary This marks the initial general availability release of the API, providing core functionality for authentication, data management, and ingestion workflows. ### What's new? Initial API capabilities: * Core API endpoints * OAuth 2.0 authentication * Basic CRUD operations across primary resources * Data ingestion and extraction support ### Improvements NA ### Bug fixes NA