Change History

**Table 1** Change history
Date	Description
2025-04-11	This issue is the fifteenth official release. It incorporates the following changes: Added the signature_related_file_id, registration_number, and license_number fields to the interfaces for querying signature information, creating an SMS signature, obtaining signature details, and modifying an SMS signature. Discarded signature sources: full name or short name of the website archived by the MIIT, full name or short name of the official account or applet, and full name or short name of the stpe on the e-commerce platform.
2024-12-31	This issue is the fourteenth official release. It incorporates the following change: Optimized the description of the sign_id, template_type, and universal_template fields in the API for creating an SMS template.
2024-12-23	This issue is the thirteenth official release. It incorporates the following change: Added the enumerated value Disable to the flow_status field of the SMS template modification API, indicating that the process is suspended. Added the X-Sdk-Date and Authorization fields to the request headers of the APIs for receiving status reports, receiving status reports in batches, and receiving uplink SMS messages. Added the section about pushing AK/SK verification.
2024-11-18	This issue is the twelfth official release. It incorporates the following change: Added error code E200051 to the section about status receipt error codes.
2024-11-06	This issue the eleventh official release. It incorporates the following change: Modified the function description of the SMS template API. Added the flow_status field to indicate the process status.
2024-10-25	This issue is the tenth official release. It incorporates the following change: Added the section for batch SMS template deletion API.
2024-08-23	This issue is the ninth official release. It incorporates the following change: Deleted the section for batch SMS template deletion API. Added error code E000630 to sections about SMS sending and batch SMS sending.
2024-08-02	This issue is the eighth official release. It incorporates the following changes: Added the section for batch SMS template deletion API. Added the content about error codes E000041, E000042, E000043, E000044, and E000045 to sections about SMS sending, batch SMS sending, and SMS sending error codes.
2024-07-15	This issue is the seventh official release. It incorporates the following change: Added content about error code E000630 to section "API Error Codes".
2024-07-03	This issue is the sixth official release. It incorporates the following change: Deleted section "Permission Policies and Supported Actions".
2024-07-02	This issue is the fifth official release. It incorporates the following change: Added content about error code E200048 to section "API Error Codes".
2023-05-11	This issue is the fourth official release. It incorporates the following change: Added the section for batch SMS sending APIs.
2022-11-02	This issue is the third official release. It incorporates the following changes: Standardized the structure and added sections "Before You Start", "API Overview", "Calling APIs", and "Appendixes".
2022-09-19	This issue is the second official release. It incorporates the following changes: Added sections for APIs of SMS applications, templates, and signatures.
2022-03-19	This issue is the first official release.