> ## Documentation Index > Fetch the complete documentation index at: https://docs.particle.pro/llms.txt > Use this file to discover all available pages before exploring further. # List occupations > Lists one level of an official occupation standard: SOC 2018 major groups, or the detailed occupations under one; or, for ISCO-08, the groups SOC 2018 maps to, listed flat: 436 unit groups and the two minor groups (211, 315) the crosswalk maps an occupation to whole. Every code, slug, and title listed here is accepted wherever speaker expertise is filtered by occupation. ## OpenAPI ````yaml /openapi.json get /v1/people/occupations openapi: 3.1.0 info: contact: email: api@particle.pro name: Particle url: https://particle.pro description: >- Podcast API for transcripts, mentions and sponsorship data. 140,000+ podcasts transcribed, diarized and speaker-identified within minutes of airing, about 28,000 episodes a day. Search transcripts by keyword or meaning, track brand and company mentions with alerts, pull sponsor and ad-read data and rankings. REST API plus an MCP server for AI agents. Also company, people and topic intelligence. summary: >- Podcast API: transcripts, mentions, sponsors and rankings for 140,000+ podcasts. termsOfService: https://particle.pro/legal/tos-api title: Particle API version: 0.1.0 x-guidance: >- Podcast, people, company and topic intelligence. Authenticate with a pp_ API key (X-API-Key header) or pay per request with x402: a keyless call to a billable endpoint returns 402 with the payment requirements in the PAYMENT-REQUIRED header; sign the USDC transfer and repeat the request with PAYMENT-SIGNATURE. Start with GET /v1/podcasts/search?q=; the slugs in responses are the inputs to the other endpoints. Docs: https://docs.particle.pro; setup playbook: https://api.particle.pro/agents.md; endpoint and tool map with prices: https://api.particle.pro/llms.txt; credential recipe: https://api.particle.pro/auth.md. x-logo: url: https://particle.pro/favicon.svg servers: - url: https://api.particle.pro security: - ApiKeyHeader: [] - BearerAuth: [] externalDocs: url: https://docs.particle.pro paths: /v1/people/occupations: get: tags: - People - tier:standard summary: List occupations description: >- Lists one level of an official occupation standard: SOC 2018 major groups, or the detailed occupations under one; or, for ISCO-08, the groups SOC 2018 maps to, listed flat: 436 unit groups and the two minor groups (211, 315) the crosswalk maps an occupation to whole. Every code, slug, and title listed here is accepted wherever speaker expertise is filtered by occupation. operationId: list-occupations parameters: - description: 'Results per page (default: all)' explode: false in: query name: limit schema: description: 'Results per page (default: all)' format: int64 maximum: 100 minimum: 1 type: integer - description: Opaque pagination cursor from previous response explode: false in: query name: cursor schema: description: Opaque pagination cursor from previous response type: string - description: >- Occupation standard to browse: soc_2018 (US Standard Occupational Classification; major groups, then detailed occupations) or isco_08 (ILO International Standard Classification of Occupations; the groups SOC 2018 maps to, listed flat: unit groups, plus the minor groups 211 and 315). explode: false in: query name: standard schema: default: soc_2018 description: >- Occupation standard to browse: soc_2018 (US Standard Occupational Classification; major groups, then detailed occupations) or isco_08 (ILO International Standard Classification of Occupations; the groups SOC 2018 maps to, listed flat: unit groups, plus the minor groups 211 and 315). enum: - soc_2018 - isco_08 type: string - description: >- List the occupations one level below this one. Accepts its code (11-0000), slug (management-occupations), or title (Management Occupations). Omit to list the top level. explode: false in: query name: parent schema: description: >- List the occupations one level below this one. Accepts its code (11-0000), slug (management-occupations), or title (Management Occupations). Omit to list the top level. maxLength: 200 type: string - description: >- Search the standard's occupations by title instead of listing a level: words match in either number and by prefix, so cardiologist finds Cardiologists. With parent, only occupations below that one are searched. Best matches first. explode: false in: query name: q schema: description: >- Search the standard's occupations by title instead of listing a level: words match in either number and by prefix, so cardiologist finds Cardiologists. With parent, only occupations below that one are searched. Best matches first. maxLength: 200 type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/PageExpertiseCode' description: OK '402': content: application/problem+json: schema: $ref: '#/components/schemas/PlatformError' description: >- Payment Required. Read error_code. payment_required is the x402 path: either a keyless request being challenged — pay $0.01 in USDC per request (requirements in the PAYMENT-REQUIRED header) or send a pp_ API key — or a supplied payment that failed settlement (details in the PAYMENT-RESPONSE header; retry the same signature before signing a new one). See https://docs.particle.pro/x402. Any other code means the credential was accepted but does not cover this request (a plan or session gate such as premium_required or paid_plan_confirmation_required); its resolve says how to obtain access, and no payment header is sent. default: content: application/problem+json: schema: $ref: '#/components/schemas/PlatformError' description: Error x-codeSamples: - label: cURL lang: curl source: |- curl -H "X-API-Key: $PARTICLE_API_KEY" \ "https://api.particle.pro/v1/people/occupations?standard=soc_2018" components: schemas: PageExpertiseCode: additionalProperties: false properties: cursor: description: Pass to next request for more results type: string data: description: List of results items: $ref: '#/components/schemas/ExpertiseCode' type: - array - 'null' has_more: description: Whether more results exist type: boolean required: - data - has_more type: object PlatformError: additionalProperties: false properties: detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string error_code: type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string resolve: $ref: '#/components/schemas/ErrorResolve' status: description: HTTP status code examples: - 400 format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string type: object ExpertiseCode: additionalProperties: false properties: code: description: >- The standard's own notation, such as 29-1212 (SOC), 2212 (ISCO), or 320101 (FoR). type: string level: description: >- Depth in the standard's official hierarchy: SOC major group 1 and detailed occupation 2; FoR division 1, group 2, field 3; ISCO-08 unit group 4 and minor group 3. ISCO-08 codes are the groups SOC maps to, listed flat without the standard's upper levels. format: int64 type: integer parent_code: description: >- Code one level up; omitted at the top level and for every ISCO-08 code, since ISCO-08 is listed without its upper levels. type: string slug: description: The title as a URL segment, such as cardiologists. type: string standard: description: >- The standard the code belongs to: soc_2018 (US Standard Occupational Classification), isco_08 (the ILO's International Standard Classification of Occupations), or anzsrc_for_2020 (ANZSRC Fields of Research). enum: - soc_2018 - isco_08 - anzsrc_for_2020 type: string title: description: The standard's official title, such as Cardiologists. type: string required: - standard - code - title - slug - level type: object ErrorDetail: additionalProperties: false properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' type: string message: description: Error message text type: string value: description: The value at the given location type: object ErrorResolve: additionalProperties: false properties: action: type: string endpoint: type: string message: type: string method: type: string url: type: string required: - message type: object securitySchemes: ApiKeyHeader: description: Pass your API key in the X-API-Key header (recommended). in: header name: X-API-Key type: apiKey BearerAuth: description: Pass your API key as a Bearer token in the Authorization header. scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.