Features
The following feature updates are available in 2026.10 for Grand Central Unified APIs:| Product group | Software component | Version | Title | Description |
|---|---|---|---|---|
| Activity | grandcentral-activity-api | 1.2.3 | Added pagination and custom fields to activity responses | Activity list and search responses include pagination metadata and optional custom fields. Shared query options support page-number and cursor-based pagination. |
| Payment | grandcentral-batch-payment-api | 1.0.2 | Added a 422 error response to batch cancellation | The batch cancellation API documents the applicable validation errors with an HTTP 422 response. |
| Investment Portfolio | grandcentral-investment-portfolio-analysis-api | 0.1.1 | Removed in v0.1.1: duplicate currency from performance positions | Removed the currency field from the performancePosition schema. Replaced by the assetCurrency field. |
| Loan | grandcentral-loan-api | 1.5.1 | Added custom fields across loan API schemas | Loan operation roots and nested loan, product, repayment, settlement, and payment entity schemas support project-specific customFields. |
| Loan | grandcentral-loan-api | 1.5.1 | Removed in v1.5.1: customFields from the bulk card-linkage request | Removed customFields from cardLinkageBulkRequest. Replaced by customFields on each cardLinkageRequest. Callers that sent custom fields on the bulk request send them on the individual linkage item instead. |
| Market Order | grandcentral-market-order-api | 0.4.0 | Added currency to market order options | Each order option can include a three-letter ISO 4217 currency code. |
| Party Lifecycle Management | grandcentral-party-lifecycle-api | 1.9.3 | Added identity verification routing and client launch fields | The API adds userData.customerRelationship for new-to-bank and existing-to-bank routing, and clientLaunchUrl for vendor-agnostic web client handoff. |
| Party Lifecycle Management | grandcentral-party-lifecycle-api | 1.9.3 | Removed in v1.9.3: legacy identity verification result fields | Removed sessionId, applicantId, customerUserId, and applicantData from workflow result responses. Replaced by workflowRunId, partyInformation, and partyIdentification. The workflow result and callback payloads align with the identity verification event data contract. |
| Payment | grandcentral-payment-order-api | 2.6.1 | Added payer and payer account management APIs | The payment order API supports registering, retrieving, searching, updating, and deleting payers and payer accounts. An optional userId identifies the user for applicable retrieval and deletion operations. |
| Payment | grandcentral-payment-order-api | 2.6.1 | Removed in v2.6.1: addressLine from payment order addresses | Removed the addressLine field from the Address schema. Replaced by the addressLines field. |
| Activity | grandcentral-activity-event | 1.0.0 | Added the activity event specification | The activity event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Activity | grandcentral-batch-activity-event | 1.0.0 | Added the batch activity event specification | The batch activity event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Payment | grandcentral-batch-payment-event | 1.0.0 | Added the batch payment event specification | The batch payment event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Card Case | grandcentral-card-case-event | 1.0.0 | Added the card case event specification | The card case event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Card | grandcentral-card-transaction-event | 1.1.0 | Added the card transaction event specification | The card transaction event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Correspondence | grandcentral-correspondence-event | 0.0.1 | Added the correspondence event specification | The correspondence event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Deposit | grandcentral-deposit-event | 1.1.0 | Added the deposit event specification | The deposit event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Employee Data Management | grandcentral-employee-data-management-event | 0.1.1 | Added the employee data management event specification | The employee data management event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Investment Portfolio | grandcentral-investment-portfolio-analysis-event | 1.0.0 | Added the investment portfolio analysis event specification | The investment portfolio analysis event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Message | grandcentral-message-event | 0.1.0 | Added the message event specification | The message event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Party Lifecycle Management | grandcentral-party-lifecycle-event | 0.1.0 | Added the party lifecycle event specification | The party lifecycle event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Party Reference | grandcentral-party-reference-event | 1.2.0 | Added the party reference event specification | The party reference event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Party Relationship Management | grandcentral-party-relationship-management-event | 0.3.1 | Added the party relationship management event specification | The party relationship management event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Payment | grandcentral-payment-event | 1.1.0 | Added the payment event specification | The payment event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Position Keeping | grandcentral-position-keeping-event | 0.1.0 | Added the position keeping event specification | The position keeping event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Transaction | grandcentral-transaction-event | 0.1.0 | Added the transaction event specification | The transaction event specification is included in the Grand Central API BOM for the first time in v2026.10. |
| Foreign Exchange | grandcentral-foreign-exchange-api | 1.3.6 | Added the foreign exchange API specification | The foreign exchange API is included in the Grand Central API BOM for the first time in v2026.10. |
| Card Case | grandcentral-card-case-api | 0.1.2 | Added the card case API specification | The card case API is included in the Grand Central API BOM for the first time in v2026.10. |
| Document Directory | grandcentral-document-directory-api | 0.1.0 | Added the document directory API specification | The document directory API is included in the Grand Central API BOM for the first time in v2026.10. |
| Investment Portfolio | grandcentral-investment-portfolio-planning-api | 0.1.1 | Added the investment portfolio planning API specification | The investment portfolio planning API is included in the Grand Central API BOM for the first time in v2026.10. |
Fixes
2026.10 contains the following bug fixes for Grand Central Unified APIs:| Product group | Software component | Version | Title | Description |
|---|---|---|---|---|
| Payment | grandcentral-payment-order-api | 2.6.1 | Changed payer updates to return 204 No Content | PUT /payer/{directory}/registration/{registrationId} returns an empty HTTP 204 No Content response. The previous response was HTTP 200 with a payer registration body. Retrieve the updated payer separately if your integration needs the entity. |