> ## Documentation Index
> Fetch the complete documentation index at: https://help.skillsdb.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Mark a skill not applicable to a person

> Excludes the skill from the person's profile. Setting it to true clears the manager grade — this discards data.

**Requires scope:** `proficiency:write`.



## OpenAPI

````yaml /api-docs/openapi.v1.json put /api/v1/people/{personId}/skills/{skillId}/not-applicable
openapi: 3.0.0
info:
  title: SkillsDB Public API
  description: >-
    The SkillsDB public REST API. Authenticate every request with an API key
    created in Settings → API Credentials, sent as `Authorization: Bearer
    sdb_live_…`. Errors follow RFC 9457 problem details; every `type` URI
    resolves under https://help.skillsdb.com/api-docs/errors/.
  version: '1'
  contact: {}
servers:
  - url: https://prod.skillsdbnext.com
    description: Production
  - url: https://staging.skillsdbnext.com
    description: Staging
security: []
tags: []
paths:
  /api/v1/people/{personId}/skills/{skillId}/not-applicable:
    put:
      tags:
        - Person Skill
      summary: Mark a skill not applicable to a person
      description: >-
        Excludes the skill from the person's profile. Setting it to true clears
        the manager grade — this discards data.


        **Requires scope:** `proficiency:write`.
      operationId: setPersonSkillNotApplicable
      parameters:
        - name: Idempotency-Key
          in: header
          required: false
          description: >-
            Any unique string (at most 200 characters). Retrying with the same
            key and identical content replays the stored response for 24h
            instead of executing twice.
          schema:
            type: string
            maxLength: 200
        - name: personId
          required: true
          in: path
          description: >-
            The person's email address — or the opaque person id from any
            response.
          schema:
            type: string
            example: ada@example.com
        - name: skillId
          required: true
          in: path
          schema:
            type: string
          description: Opaque resource id.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SetNotApplicableDto'
      responses:
        '200':
          description: The resource, enveloped.
          content:
            application/json:
              schema:
                type: object
                required:
                  - data
                properties:
                  data:
                    $ref: '#/components/schemas/PersonSkillDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
            Idempotency-Replayed:
              description: >-
                `true` when this response was replayed from a previous execution
                under the same Idempotency-Key.
              schema:
                type: string
        '400':
          description: >-
            Validation failed
            (`https://help.skillsdb.com/api-docs/errors/validation-error`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
        '401':
          description: >-
            Invalid credential
            (`https://help.skillsdb.com/api-docs/errors/invalid-credential`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
        '403':
          description: >-
            Insufficient permissions
            (`https://help.skillsdb.com/api-docs/errors/insufficient-permissions`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
        '404':
          description: Not found (`https://help.skillsdb.com/api-docs/errors/not-found`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
        '409':
          description: >-
            Idempotency key reused with different content
            (`https://help.skillsdb.com/api-docs/errors/idempotency-key-reused`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
        '429':
          description: >-
            Rate limit exceeded
            (`https://help.skillsdb.com/api-docs/errors/rate-limit-exceeded`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
            Retry-After:
              description: Seconds to wait before retrying.
              schema:
                type: integer
        '500':
          description: >-
            Internal error
            (`https://help.skillsdb.com/api-docs/errors/internal-error`)
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetailsDto'
          headers:
            X-Request-Id:
              description: Unique id for this request — quote it when contacting support.
              schema:
                type: string
            RateLimit-Limit:
              description: The bucket's hourly allowance.
              schema:
                type: integer
            RateLimit-Remaining:
              description: Requests left in the current window.
              schema:
                type: integer
            RateLimit-Reset:
              description: Seconds until the window resets.
              schema:
                type: integer
      security:
        - apiKey:
            - proficiency:write
components:
  schemas:
    SetNotApplicableDto:
      type: object
      properties:
        notApplicable:
          type: boolean
          example: true
          description: Marking a skill not applicable clears the person's manager grade.
      required:
        - notApplicable
    PersonSkillDto:
      type: object
      properties:
        id:
          type: string
          example: '512'
          description: Opaque skill id.
        name:
          type: string
          example: TIG Welding
        description:
          type: string
          example: Gas tungsten arc welding.
          nullable: true
        isCertification:
          type: boolean
          example: false
          description: Whether the skill is a certification.
        selfGrade:
          nullable: true
          description: The person's own grade.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        selfYearsOfExperience:
          type: number
          example: 4
          nullable: true
        managerGrade:
          nullable: true
          description: The manager's grade.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        managerYearsOfExperience:
          type: number
          example: 3
          nullable: true
        managerGradeUpdatedAt:
          type: string
          example: '2026-02-01T10:00:00.000Z'
          nullable: true
          description: When the manager grade last changed.
        managerGradeUpdatedBy:
          nullable: true
          description: Who last changed the manager grade.
          allOf:
            - $ref: '#/components/schemas/PersonRefDto'
        benchmark:
          description: The resolved benchmark and the values it was resolved from.
          allOf:
            - $ref: '#/components/schemas/BenchmarkSummaryDto'
        notApplicable:
          type: boolean
          example: false
          description: >-
            Marked not applicable to the person (the manager grade is cleared
            when set).
        focus:
          $ref: '#/components/schemas/FocusDto'
        origin:
          description: Attached directly, derived from careers, or both.
          allOf:
            - $ref: '#/components/schemas/OriginDto'
      required:
        - id
        - name
        - description
        - isCertification
        - selfGrade
        - selfYearsOfExperience
        - managerGrade
        - managerYearsOfExperience
        - managerGradeUpdatedAt
        - managerGradeUpdatedBy
        - benchmark
        - notApplicable
        - focus
        - origin
    ProblemDetailsDto:
      type: object
      properties:
        type:
          type: string
          example: https://help.skillsdb.com/api-docs/errors/validation-error
          description: >-
            A URI identifying the problem type — always resolves to a
            documentation page.
        title:
          type: string
          example: Validation failed
        status:
          type: number
          example: 400
        detail:
          type: string
          example: limit must be between 1 and 200
          description: Human-readable explanation specific to this occurrence.
        instance:
          type: string
          example: /api/v1/people
        requestId:
          type: string
          example: 0192c2f1-6f4e-7ab3-b1c4-5f6a7b8c9d0e
          description: >-
            Matches the X-Request-Id response header — quote it when contacting
            support.
        errors:
          description: Field-level failures, present on validation-error problems.
          type: array
          items:
            $ref: '#/components/schemas/ProblemFieldErrorDto'
        error:
          type: string
          example: trial_expired
          enum:
            - trial_expired
          description: >-
            Present only on a 403 when the workspace's trial has expired, so API
            access is suspended.
        upgrade_url:
          type: string
          example: https://app.skillsdb.com/settings/billing
          description: >-
            Present only alongside `error: trial_expired`: where a workspace
            admin upgrades to restore API access.
      required:
        - type
        - title
        - status
        - detail
        - instance
        - requestId
    RungDto:
      type: object
      properties:
        id:
          type: string
          example: '3'
          description: Grading-scale rung id.
        grade:
          type: number
          example: 3
          description: Numeric grade of the rung.
        label:
          type: string
          example: Proficient
      required:
        - id
        - grade
        - label
    PersonRefDto:
      type: object
      properties:
        id:
          type: string
          example: '1042'
        name:
          type: string
          example: Dana Whitfield
      required:
        - id
        - name
    BenchmarkSummaryDto:
      type: object
      properties:
        effective:
          nullable: true
          description: >-
            The single resolved benchmark: the manager benchmark when set,
            otherwise the highest career-derived effective benchmark.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        source:
          type: string
          enum:
            - manager
            - level
            - career
          nullable: true
        manager:
          nullable: true
          description: A manager-set benchmark for this person on this skill.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        careers:
          description: >-
            One entry per career the skill derives from, with the contributing
            values.
          type: array
          items:
            $ref: '#/components/schemas/CareerBenchmarkDto'
      required:
        - effective
        - source
        - manager
        - careers
    FocusDto:
      type: object
      properties:
        employee:
          type: boolean
          example: false
          description: Flagged as a development focus by the person.
        manager:
          type: boolean
          example: true
          description: Flagged as a development focus by the manager.
      required:
        - employee
        - manager
    OriginDto:
      type: object
      properties:
        direct:
          type: boolean
          example: true
          description: Attached to the person's profile in its own right.
        careers:
          description: >-
            The careers that derive the skill; empty when the skill is only
            attached directly.
          type: array
          items:
            $ref: '#/components/schemas/OriginCareerDto'
      required:
        - direct
        - careers
    ProblemFieldErrorDto:
      type: object
      properties:
        field:
          type: string
          example: email
        code:
          type: string
          example: max_length
        message:
          type: string
          example: email must be shorter than or equal to 75 characters
      required:
        - field
        - code
        - message
    CareerBenchmarkDto:
      type: object
      properties:
        careerId:
          type: string
          example: '31'
        careerName:
          type: string
          example: Warehouse Operator
        careerSkillId:
          type: string
          example: '512'
          description: The career skill the person skill derives through.
        levelId:
          type: string
          example: '7'
          nullable: true
          description: The level of the person's assignment, when the career has levels.
        levelName:
          type: string
          example: Senior
          nullable: true
        career:
          nullable: true
          description: The career's benchmark for the skill.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        level:
          nullable: true
          description: The level's benchmark for the skill.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        effective:
          nullable: true
          description: >-
            What applies for this career: manager, then level (when the
            assignment has a level), then career.
          allOf:
            - $ref: '#/components/schemas/RungDto'
        effectiveSource:
          type: string
          enum:
            - manager
            - level
            - career
          nullable: true
      required:
        - careerId
        - careerName
        - careerSkillId
        - levelId
        - levelName
        - career
        - level
        - effective
        - effectiveSource
    OriginCareerDto:
      type: object
      properties:
        careerId:
          type: string
          example: '31'
        careerName:
          type: string
          example: Warehouse Operator
        careerSkillId:
          type: string
          example: '512'
      required:
        - careerId
        - careerName
        - careerSkillId
  securitySchemes:
    apiKey:
      scheme: bearer
      type: http
      description: >-
        An API key issued by a company administrator — an environment prefix
        (production: `sdb_live_`) followed by 32 characters. The prefix
        identifies the environment and MUST NOT be hard-coded or validated by
        clients; treat the whole key as opaque. Shown exactly once at creation;
        only a one-way hash is stored.


        **Scopes** (granted per key on the create screen; `:write` never implies
        `:read`):


        - `skills:read`

        - `skills:write`

        - `people:read`

        - `people:write`

        - `careers:read`

        - `careers:write`

        - `training:read`

        - `training:write`

        - `flags:read`

        - `flags:write`

        - `org:read`

        - `org:write`

        - `assessments:read`

        - `learning:read`

        - `learning:write`

        - `certifications:read`

        - `certifications:write`

        - `assessments:write`

        - `proficiency:read`

        - `proficiency:write`

        - `surveys:read`

        - `surveys:write`

        - `labels:read`

        - `labels:write`

````