> ## Documentation Index > Fetch the complete documentation index at: https://docs.anysite.io/llms.txt > Use this file to discover all available pages before exploring further. # /crossref/works/search > Search scholarly works with rich query fields and filters **Price:** 1 credit per 5 results ## OpenAPI ````yaml /openapi/research-papers.json post /api/crossref/works/search openapi: 3.1.0 info: title: Any Site API description: >+ Any Site API provides programmatic access to data from LinkedIn, Instagram, Twitter, and other platforms. ## Authentication All API endpoints require an `access-token` header with a valid API token. Tokens can be created in the [dashboard](https://app.anysite.io/). ## Pricing Each endpoint has a credit cost listed in its description. Credits are deducted from your token balance per request. version: 0.0.1 servers: [] security: - AccessToken: [] paths: /api/crossref/works/search: post: tags: - /crossref summary: /crossref/works/search description: |- Search scholarly works with rich query fields and filters **Price:** 1 credit per 5 results operationId: __api_crossref_works_search_post parameters: - name: access-token in: header required: true schema: anyOf: - type: string requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/CrossrefWorksSearchPayload' responses: '200': description: Successful Response content: application/json: schema: type: array items: $ref: '#/components/schemas/CrossrefWork' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' components: schemas: CrossrefWorksSearchPayload: properties: timeout: type: integer maximum: 1500 minimum: 20 default: 300 query: anyOf: - type: string - type: 'null' bibliographic: anyOf: - type: string - type: 'null' author: anyOf: - type: string - type: 'null' work_title: anyOf: - type: string - type: 'null' container_title: anyOf: - type: string - type: 'null' editor: anyOf: - type: string - type: 'null' publisher_name: anyOf: - type: string - type: 'null' affiliation: anyOf: - type: string - type: 'null' type: anyOf: - $ref: '#/components/schemas/CrossrefWorkType' - type: 'null' issn: anyOf: - type: string - type: 'null' isbn: anyOf: - type: string - type: 'null' doi: anyOf: - type: string - type: 'null' orcid: anyOf: - type: string - type: 'null' member: anyOf: - type: string - type: 'null' prefix: anyOf: - type: string - type: 'null' funder: anyOf: - type: string - type: 'null' award_funder: anyOf: - type: string - type: 'null' award_number: anyOf: - type: string - type: 'null' category_name: anyOf: - type: string - type: 'null' from_pub_date: anyOf: - type: string - type: 'null' until_pub_date: anyOf: - type: string - type: 'null' from_created_date: anyOf: - type: string - type: 'null' until_created_date: anyOf: - type: string - type: 'null' from_online_pub_date: anyOf: - type: string - type: 'null' until_online_pub_date: anyOf: - type: string - type: 'null' from_deposit_date: anyOf: - type: string - type: 'null' until_deposit_date: anyOf: - type: string - type: 'null' from_index_date: anyOf: - type: string - type: 'null' until_index_date: anyOf: - type: string - type: 'null' has_abstract: anyOf: - type: boolean - type: 'null' has_orcid: anyOf: - type: boolean - type: 'null' has_funder: anyOf: - type: boolean - type: 'null' has_references: anyOf: - type: boolean - type: 'null' has_license: anyOf: - type: boolean - type: 'null' has_full_text: anyOf: - type: boolean - type: 'null' is_update: anyOf: - type: boolean - type: 'null' sort: anyOf: - $ref: '#/components/schemas/CrossrefWorksSort' - type: 'null' order: anyOf: - $ref: '#/components/schemas/CrossrefSortOrder' - type: 'null' count: type: integer minimum: 1 type: object required: - count CrossrefWork: properties: '@type': type: string default: CrossrefWork doi: type: string subtitle: anyOf: - type: string - type: 'null' short_title: anyOf: - type: string - type: 'null' original_title: anyOf: - type: string - type: 'null' container_title: items: type: string type: array default: [] short_container_title: items: type: string type: array default: [] type: anyOf: - type: string - type: 'null' publisher: anyOf: - type: string - type: 'null' publisher_location: anyOf: - type: string - type: 'null' member_id: anyOf: - type: string - type: 'null' prefix: anyOf: - type: string - type: 'null' language: anyOf: - type: string - type: 'null' source: anyOf: - type: string - type: 'null' abstract: anyOf: - type: string - type: 'null' issn: items: type: string type: array default: [] isbn: items: type: string type: array default: [] volume: anyOf: - type: string - type: 'null' issue: anyOf: - type: string - type: 'null' page: anyOf: - type: string - type: 'null' article_number: anyOf: - type: string - type: 'null' issued_date: anyOf: - type: string - type: 'null' published_date: anyOf: - type: string - type: 'null' published_print_date: anyOf: - type: string - type: 'null' published_online_date: anyOf: - type: string - type: 'null' created_at: anyOf: - type: string - type: 'null' deposited_at: anyOf: - type: string - type: 'null' indexed_at: anyOf: - type: string - type: 'null' score: anyOf: - type: number - type: 'null' reference_count: type: integer default: 0 is_referenced_by_count: type: integer default: 0 subjects: items: type: string type: array default: [] alternative_ids: items: type: string type: array default: [] web_url: anyOf: - type: string - type: 'null' resource_url: anyOf: - type: string - type: 'null' event: anyOf: - $ref: '#/components/schemas/CrossrefEvent' - type: 'null' authors: items: $ref: '#/components/schemas/CrossrefAuthor' type: array default: [] funders: items: $ref: '#/components/schemas/CrossrefFunder' type: array default: [] licenses: items: $ref: '#/components/schemas/CrossrefLicense' type: array default: [] links: items: $ref: '#/components/schemas/CrossrefLink' type: array default: [] references: items: $ref: '#/components/schemas/CrossrefReference' type: array default: [] type: object required: - doi HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array type: object CrossrefWorkType: type: string enum: - book-section - monograph - report-component - report - peer-review - book-track - journal-article - book-part - other - book - journal-volume - book-set - reference-entry - proceedings-article - journal - component - book-chapter - proceedings-series - report-series - proceedings - database - standard - reference-book - posted-content - journal-issue - dissertation - grant - dataset - book-series - edited-book CrossrefWorksSort: type: string enum: - relevance - score - published - indexed - created - deposited - is-referenced-by-count - references-count CrossrefSortOrder: type: string enum: - asc - desc CrossrefEvent: properties: '@type': type: string default: CrossrefEvent name: anyOf: - type: string - type: 'null' location: anyOf: - type: string - type: 'null' acronym: anyOf: - type: string - type: 'null' sponsors: items: type: string type: array default: [] start_date: anyOf: - type: string - type: 'null' end_date: anyOf: - type: string - type: 'null' type: object CrossrefAuthor: properties: '@type': type: string default: CrossrefAuthor given: anyOf: - type: string - type: 'null' family: anyOf: - type: string - type: 'null' name: anyOf: - type: string - type: 'null' sequence: anyOf: - type: string - type: 'null' orcid: anyOf: - type: string - type: 'null' is_authenticated_orcid: type: boolean default: false affiliations: items: $ref: '#/components/schemas/CrossrefAffiliation' type: array default: [] type: object CrossrefFunder: properties: '@type': type: string default: CrossrefFunder name: type: string doi: anyOf: - type: string - type: 'null' awards: items: type: string type: array default: [] type: object required: - name CrossrefLicense: properties: '@type': type: string default: CrossrefLicense url: type: string content_version: anyOf: - type: string - type: 'null' start_date: anyOf: - type: string - type: 'null' delay_in_days: anyOf: - type: integer - type: 'null' type: object required: - url CrossrefLink: properties: '@type': type: string default: CrossrefLink url: type: string content_type: anyOf: - type: string - type: 'null' content_version: anyOf: - type: string - type: 'null' intended_application: anyOf: - type: string - type: 'null' type: object required: - url CrossrefReference: properties: '@type': type: string default: CrossrefReference key: anyOf: - type: string - type: 'null' doi: anyOf: - type: string - type: 'null' article_title: anyOf: - type: string - type: 'null' journal_title: anyOf: - type: string - type: 'null' author: anyOf: - type: string - type: 'null' year: anyOf: - type: string - type: 'null' volume: anyOf: - type: string - type: 'null' first_page: anyOf: - type: string - type: 'null' issn: anyOf: - type: string - type: 'null' isbn: anyOf: - type: string - type: 'null' unstructured: anyOf: - type: string - type: 'null' type: object ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array msg: type: string type: type: string input: {} ctx: type: object type: object required: - loc - msg - type CrossrefAffiliation: properties: '@type': type: string default: CrossrefAffiliation name: type: string type: object required: - name securitySchemes: AccessToken: type: apiKey in: header name: access-token description: API token from the dashboard ````