> ## Documentation Index > Fetch the complete documentation index at: https://developers.lucca.fr/llms.txt > Use this file to discover all available pages before exploring further. # List fixed natures > Retrieve all existing fixed natures ## OpenAPI ````yaml /openapi-specs/pagga-remuneration.yaml get /remuneration/api/fixed-natures openapi: 3.1.0 info: title: Lucca-Compensation version: '1.0' description: >- Welcome on the documentation for the Lucca Compensation API. Lucca Compensation is an online compensation management service that offers a complete picture of compensation structure (basic salary, variable compensation item, ...). contact: name: API Support url: https://support.lucca.fr email: contact@luccasoftware.com license: name: Unlicensed url: https://www.luccasoftware.com servers: - url: https://{host} description: Your Lucca account URL. variables: host: default: example.ilucca.net description: >- The URL of your dedicated Lucca account: `{account}.{env}.{region}`. Account reflects your company name. Env indicates the environment. Region depends on your server location. **Please, use your test or sandbox environments (and not your production env.) for testing purposes.** Environments: - `ilucca`: production environment for customers. - `ilucca-test`: test environment for customers. - `ilucca-demo`: demo environment for prospects. Regions: - `.ch` for Swiss located accounts. - `.net` for the others. Regarding sandboxes, the pattern differs: `https://{account}-{sandboxName}.sandbox.{server}.luccasoftware.com`, where: - `{sandboxName}` is automatically generated upon creation. - `{server}` may be "eu1", "eu2" or "ch1". security: [] tags: - name: fixed-nature description: Represents a type of remuneration that is fixed, i.e. does not vary. - name: fixed-nature-category description: Represents a category of fixed-nature. - name: variable-nature description: Represents a type of remuneration that varies. - name: variable-nature-category description: Represents a category of variable-natures. - name: RemunerationNatures description: Types of remuneration. - name: variable-item description: Represents a remuneration item of type "variable-nature". - name: fixed-item description: Represents a remuneration item of type "fixed-nature". paths: /remuneration/api/fixed-natures: parameters: - $ref: '#/components/parameters/Authorization' get: tags: - fixed-nature summary: List fixed natures description: Retrieve all existing fixed natures operationId: ListFixedNatures parameters: - name: establishmentIds in: query description: Only return fixed natures linked to the specified establishments. schema: uniqueItems: true type: array items: type: integer format: int32 - name: limit description: For paging. Number of items per page. in: query allowEmptyValue: true schema: type: integer default: 10 - name: page in: query description: |- Two strategy might be used: - Continuation token paging - Offset limit paging allowEmptyValue: true schema: oneOf: - type: string - type: integer examples: Continuation token paging: value: next_token&fields.root=next Offset limit paging: value: '2' - name: sort in: query description: >- This parameters syntax is consistent among every Lucca application, and its BNF grammar is defined as follow. ```bnf ::= '-|+'? ( ',' )* ::= ( '.' )* ::= ( | | '_' | '-' )+ ``` allowEmptyValue: true schema: default: Name examples: Asc sorting: value: id Desc sorting: value: '-id' Multi properties sorting comma separated: value: name,legalentity.name Multi properties sorting ampersand separated: value: sort=age&sort=-score - name: fields.root in: query description: Properties that make sense on the collection level allowEmptyValue: true style: form explode: false schema: type: array items: enum: - next - prev - count type: string responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/FixedNaturePage' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' components: parameters: Authorization: name: Authorization required: true description: 'API key. Value must be formatted like so: `lucca application={api_key}`.' in: header schema: type: string schemas: FixedNaturePage: type: object properties: items: type: array items: $ref: '#/components/schemas/FixedNature' next: type: - string - 'null' prev: type: - string - 'null' count: type: - integer - 'null' format: int32 additionalProperties: false ProblemDetails: type: object properties: type: type: - string - 'null' title: type: - string - 'null' status: type: - integer - 'null' format: int32 detail: type: - string - 'null' instance: type: - string - 'null' additionalProperties: {} FixedNature: type: object properties: id: type: integer description: An unique identifier for the fixed nature format: int32 name: maxLength: 50 minLength: 1 type: string description: The display name example: Basic salary category: anyOf: - $ref: '#/components/schemas/FixedNatureCategory' description: Fixed nature category - type: 'null' establishments: description: Establishments linked to the fixed nature type: - array - 'null' items: $ref: '#/components/schemas/Establishment' additionalProperties: false description: Fixed nature FixedNatureCategory: type: object properties: id: type: integer description: An unique identifier for the fixed nature category format: int32 code: type: - string - 'null' description: An internal unique code identifying the category example: BASIC_SALARY additionalProperties: false description: Fixed nature category Establishment: type: object properties: id: type: integer description: An unique identifier for the establishment format: int32 name: type: string description: The display name example: Lucca FR currencyCode: type: string description: Currency code used in this establishment example: EUR currencySymbol: type: string description: Currency symbol used in this establishment example: € additionalProperties: false ````