New Enum Values for Domestic Shipments in the Germany Amazon Store
Amazon is updating the Merchant Fulfillment API v0 to include new enum values for DHL Paket National Shipping in Germany. Starting October 1, 2026, the schema will include `DeliveryConfirmationWithIdentityCheck` and `DeliveryConfirmationWithNameVerification`.
Amazon is implementing significant technical updates to its Merchant Fulfillment API v0 to accommodate new domestic shipping protocols in Germany. Starting October 1, 2026, the platform will introduce specific verification parameters for DHL Paket National Shipping services to enhance delivery security. Sellers and developers utilizing automated shipping integrations must update their software architectures to recognize these new values to prevent system crashes and shipment processing failures.
Key Points
Effective Date — The new technical parameters and enumeration values will be officially integrated into the Merchant Fulfillment API v0 on October 1, 2026.
Geographic Scope — These specific delivery verification enhancements are currently restricted to the Amazon Germany (DE) marketplace.
Carrier Specificity — The updates are designed exclusively for the DHL Paket National Shipping service for domestic orders within Germany.
New Data Values — The API schema is being expanded to include DeliveryConfirmationWithIdentityCheck and DeliveryConfirmationWithNameVerification.
Affected API Calls — The changes directly impact the getEligibleShipmentServices and createShipment endpoints.
System Vulnerability — Software utilizing rigid schema validation or strict deserialization logic is at high risk of encountering fatal errors when these new strings appear.
What's Changing
The Merchant Fulfillment API v0 is undergoing a structural expansion to allow for more granular control over the "last-mile" delivery experience. This involves modifying the DeliveryExperience and DeliveryExperienceOption fields within the API schema.
Enum Value Expansion — Amazon is adding two new specific strings to the existing list of permitted values, such as adding DeliveryConfirmationWithIdentityCheck to the current set of shipment service options.
Analysis & Recommendations
Why This Matters
Developers using rigid deserialization or hardcoded enum lists in the `getEligibleShipmentServices` and `createShipment` endpoints risk total shipment processing failures. Failure to implement flexible validation could halt logistics pipelines for German domestic orders.
Key Takeaways
New enum values `DeliveryConfirmationWithIdentityCheck` and `DeliveryConfirmationWithNameVerification` will be integrated on October 1, 2026.
The update specifically targets the DHL Paket National Shipping service within the Amazon Germany (DE) marketplace.
Affected API endpoints include `getEligibleShipmentServices` and `createShipment` via the Merchant Fulfillment API v0.
The schema expansion affects the `DeliveryExperience` and `DeliveryExperienceOption` fields.
Recommended Actions
→Audit codebase for all calls to `getEligibleShipmentServices` and `createShipment` to identify hardcoded enum validation logic.
→Refactor shipping software to use flexible deserialization or a 'graceful degradation' pattern for unknown enum values.
→Use the Amazon developer sandbox to simulate the new identity check strings to verify system stability.
Service Eligibility Updates — When a seller’s system calls the getEligibleShipmentServices endpoint, the API response will now include these new verification options for qualified DHL shipments, such as a merchant seeing a new delivery type available for a package destined for Munich.
Shipment Creation Integration — During the createShipment process, developers can now include these new values in the request body to trigger specific security protocols, such as requesting a name verification check for a high-value electronic item being shipped via DHL Paket.
Technical Context
The introduction of these new enumeration values represents a strategic move toward more secure delivery options in the German market, focusing on identity-verified handoffs.
Before: A developer's integration might only recognize standard delivery types like "Standard" or "Express," and any unrecognized value in the API response would trigger a "Value Not Recognized" error.
After: A robust integration will recognize that new verification options exist, allowing the software to either process the identity check request or gracefully ignore the unknown value without breaking the shipping workflow.
Detailed Technical Breakdown
For developers and technical operations managers overseeing complex logistics software, understanding the underlying mechanics of this update is vital for maintaining long-term operational stability. This change is not merely a functional addition of new shipping types; it is a structural update to the API's data model.
The Role of Enum Values in API Stability
In the context of API development, an "enum" (enumeration) is a data type that consists of a fixed set of named values. When Amazon updates an enum, they are essentially expanding the "vocabulary" that the API uses to communicate with third-party systems. If your software is programmed to only understand a specific, limited "dictionary" of words, and Amazon begins using new words to describe services, your software will not know how to translate or process those new terms.
The Vulnerability of Strict Validation
Many enterprise-level shipping integrations and third-party logistics (3PL) platforms use "strict validation" protocols. This means the software automatically checks every single piece of data coming from Amazon against a pre-defined, hardcoded list of allowed values.
Scenario A (Strict Validation): Your system receives the new value DeliveryConfirmationWithIdentityCheck. It checks its internal list of allowed strings, finds no match, and immediately throws a fatal error, stopping the entire shipment process and potentially halting all outgoing orders.
Scenario B (Flexible Validation): Your system receives the same value. It recognizes that the value is not in its local list but is programmed to "pass through" or "ignore" unknown enums, allowing the rest of the shipment data to process successfully without a system crash.
Global Schema vs. Local Application
It is critical to note that while these specific delivery options are currently intended for the German (DE) store and DHL Paket National Shipping, the API schema changes are being applied to the worldwide API model. This means that even if a seller is not currently operating in Germany, their global API integration code may still encounter these new values if they use a centralized shipping management system that pulls data from multiple Amazon marketplaces. A failure to handle these new values could theoretically impact a seller's global logistics pipeline if their software is not designed for schema flexibility.
Developer Implementation Strategy
To mitigate the risk of shipment failures and ensure a smooth transition, developers should follow a structured sequence of updates.
Phase 1: Comprehensive Code Review
Developers must identify every instance where the getEligibleShipmentServices and createShipment APIs are called within their codebase. Specifically, they should locate the logic that handles the DeliveryExperience and DeliveryExperienceOption fields. The goal is to determine if the code uses a switch statement or an if-else block that relies on a fixed, hardcoded set of strings.
Phase 2: Refactoring for Resilience
Instead of writing code that follows a rigid "If value is X, do Y; otherwise, error" logic, developers should rewrite the logic to follow a "graceful degradation" pattern. The new logic should be: "If value is X, do Y; if value is Z, do W; for any other value, log a warning but continue processing." This approach ensures that a single new feature added by Amazon does not halt your entire logistics pipeline.
Phase 3: Validation Testing
Once the code has been updated to be more resilient, developers should use the Amazon developer sandbox to simulate the receipt of the new values: DeliveryConfirmationWithIdentityCheck and DeliveryConfirmationWithNameVerification. It is essential to verify that the system can successfully create a shipment request even when these new values are present in the API response.
Phase 4: Deployment Timeline
While the official change does not take effect until October 1, 2026, the schema changes may appear in the API model earlier. Developers should aim to have flexible enum handling implemented well before the deadline to account for any early rollouts or testing phases in the production environment.
Seller Impact
This update requires proactive technical maintenance to ensure that automated shipping workflows remain uninterrupted when the October 2026 deadline arrives.
Audit Integration Logic — Review your current shipping software to identify if it uses strict enum validation, such as checking if a DeliveryExperienceOption matches a hardcoded list of strings.
Implement Flexible Deserialization — Update your code to use "lenient" or "flexible" deserialization, which allows the system to handle unexpected or new enum values without crashing the entire application.
Test with DHL Paket Services — If you utilize DHL Paket National Shipping in Germany, run integration tests in your sandbox environment to ensure your system can correctly interpret the new identity and name verification flags.
Prepare for Future Updates — Use this update as a catalyst to move away from rigid schema enforcement, ensuring that future Amazon API enhancements do not cause similar service disruptions.
Source: developer-docs.amazon
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