It uses Marshmallow underneath to do the data validation. And it was created by the same developers.

It's a great tool and I have used it a lot too, before having **FastAPI**.

/// info

Webargs was created by the same Marshmallow developers.

///

/// check | Inspired **FastAPI** to

Have automatic validation of incoming request data.

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /** The username of who created this duplicate host entry */
    @Size(max = 1000)
    public String createdBy;

    /** The timestamp when this duplicate host entry was created */
    @ValidateTypeFailure
    public Long createdTime;

    /**

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /**
     * The username who created this path mapping.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this path mapping was created.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**
     * The user agent string for this path mapping.
     */

    @Required
    @ValidateTypeFailure
    public Float boost;

    /** The username of who created this elevate word entry */
    @Size(max = 1000)
    public String createdBy;

    /** The timestamp when this elevate word entry was created */
    @ValidateTypeFailure
    public Long createdTime;

    /**

    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /**
     * The username of who created this scheduled job.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this scheduled job was created.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /**
     * The user who created this label type.
     */
    @Size(max = 1000)
    public String createdBy;

    /**
     * The timestamp when this label type was created.
     */
    @ValidateTypeFailure
    public Long createdTime;

    /**
     * Initializes the form with default values.
     */

    }

    // POST /api/admin/pathmap/setting
    /**
     * Creates a new path mapping setting.
     *
     * @param body path mapping setting data to create
     * @return JSON response with created setting ID and status
     */
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;

 *       verified or created.
 *   <li>If a new edge needs to be created, the outgoing edges of the acquired locks are traversed
 *       to check for a cycle that reaches the lock to be acquired. If no cycle is detected, a new
 *       "safe" edge is created.
 *   <li>If a cycle is detected, an "unsafe" (cyclic) edge is created to represent a potential

META-INF/MANIFEST.MF Manifest-Version: 1.0 Created-By: 1.4.2_12 (Sun Microsystems Inc.) test.txt...

    }

    /**
     * Creates a new related query setting.
     *
     * @param body the related query configuration data to create
     * @return JSON response containing the created related query ID and status
     */
    // POST /api/admin/relatedquery/setting
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});