Beta
Platforms ▾
Engagement platformsCEP
CEPs in the Release Matrix →
Data platformsCDP
CDPs in the Release Matrix →
B2B marketing automationMAP B2B
MAP B2Bs in the Release Matrix →
All platforms15 tracked · 8 CEP · 4 CDP · 3 MAP B2B
Compiled 11 Nov

Type at least 2 characters.

AI generatedAI generated This record is generated by AI from the cited source. How AI is used

MK

Merge Leads API ID limit

Retired since 31 Jul 2026

From July 31, 2026, Merge Leads API calls with more than 25 IDs in the leadIds parameter fail with a 1080 error; large merges must be split into multiple calls.

Read vendor source (opens in a new tab)
experienceleague.adobe.com Evidence for Retired · 31 Jul 2026
Platform
Adobe Marketo Engage
Component
Marketo Engage
Capability
APIs & extensibility · Platform
Vendor's name
REST API Merge Leads limit
First recorded
Record last updated

Record dates describe acquisition and updates, not human review. About corrections.

Lifecycle history 2 states

  1. Retired31 Jul 2026 Expected end 31 Jul 2026
    First recorded 2 Oct 2026 · recorded from the source history · vendor release notes · experienceleague.adobe.com ↗ · archived copy, 25 Oct 2026 ↗
  2. Deprecation announced20 Feb 2026 Ends 31 Jul 2026
    First recorded 2 Oct 2026 · recorded from the source history · vendor release notes · experienceleague.adobe.com ↗ · archived copy, 25 Oct 2026 ↗

Record corrections 1

Changes made to this record after it was published, separate from the vendor's lifecycle states above. All corrections.

  1. Lifecycle state

    Retired state: not recorded → Retired · 31 Jul 2026

    The August 2026 notes confirm the limit is in effect: "As of July 31, 2026, calls that include more than 25 IDs ... result in a 1080 error code" (same treatment as the static list size limit). Evidence: experienceleague.adobe.com ↗

Something wrong or out of date in this record? , ideally with a link to better evidence. How corrections work

APIs & extensibility on other platforms latest first

All APIs & extensibility changes →

More from Marketo in APIs & extensibility

Report an issue

Tell us what is wrong in this record. Reports are checked against public sources, with the same rules as every entry. How corrections work

Sent through Web3Forms. Nothing you send is published. How reports are handled.