> ## Documentation Index > Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt > Use this file to discover all available pages before exploring further. # Get Play Fab I Ds From Facebook I Ds > Retrieves the unique PlayFab identifiers for the given set of Facebook identifiers. ## OpenAPI ````yaml post /Client/GetPlayFabIDsFromFacebookIDs openapi: 3.0.0 info: version: '260922' title: PlayFab Client API description: >- APIs which provide the full range of PlayFab features available to the client - authentication, account and data management, inventory, friends, matchmaking, reporting, and platform-specific functionality termsOfService: https://playfab.com/terms/ contact: url: https://community.playfab.com/index.html license: name: Apache 2.0 url: https://github.com/PlayFab/API_Specs/blob/master/LICENSE servers: - url: https://{titleId}.playfabapi.com description: PlayFab title endpoint variables: titleId: default: your_title_id description: Your PlayFab title ID (hex). security: [] tags: - name: Account Management description: Account Management APIs - name: Advertising description: Advertising APIs - name: Analytics description: Analytics APIs - name: Authentication description: Authentication APIs - name: Character Data description: Character Data APIs - name: Characters description: Characters APIs - name: Content description: Content Service APIs - name: Friend List Management description: Friend List Management APIs - name: Matchmaking description: Matchmaking APIs - name: Platform Specific Methods description: Platform Specific Methods APIs - name: Player Data Management description: Player Data Management APIs - name: Player Item Management description: Player Item Management APIs - name: PlayStream description: PlayStream Management APIs - name: Server-Side Cloud Script description: Server-Side Cloud Script APIs - name: Shared Group Data description: Shared Group Data APIs - name: Title-Wide Data Management description: Title-Wide Data Management APIs - name: Trading description: Trading Management APIs paths: /Client/GetPlayFabIDsFromFacebookIDs: post: tags: - Account Management summary: Get Play Fab I Ds From Facebook I Ds description: >- Retrieves the unique PlayFab identifiers for the given set of Facebook identifiers. operationId: GetPlayFabIDsFromFacebookIDs requestBody: content: application/json: schema: $ref: '#/components/schemas/GetPlayFabIDsFromFacebookIDsRequest' responses: '200': $ref: '#/components/responses/GetPlayFabIDsFromFacebookIDsResult' '400': $ref: '#/components/responses/ApiErrorWrapper' security: - SessionTicket: [] components: schemas: GetPlayFabIDsFromFacebookIDsRequest: type: object properties: FacebookIDs: description: >- Array of unique Facebook identifiers for which the title needs to get PlayFab identifiers. The array cannot exceed 25 in length. type: array items: type: string required: - FacebookIDs example: FacebookIDs: - '857498576495' - '759374651209' GetPlayFabIDsFromFacebookIDsResult: description: >- For Facebook identifiers which have not been linked to PlayFab accounts, null will be returned. type: object properties: Data: description: Mapping of Facebook identifiers to PlayFab identifiers. type: array items: $ref: '#/components/schemas/FacebookPlayFabIdPair' x-isclass: true example: Data: - FacebookId: '857498576495' PlayFabId: 5a446c83645201 - FacebookId: '759374651209' PlayFabId: 6345cd25a6c7cc ApiErrorWrapper: description: The basic wrapper around every failed API response type: object properties: code: description: Numerical HTTP code type: integer status: description: String HTTP code type: string error: description: Playfab error code type: string errorCode: description: Numerical PlayFab error code type: integer errorMessage: description: Description for the PlayFab errorCode type: string errorDetails: description: Detailed description of individual issues with the request object type: object required: - code - errorCode FacebookPlayFabIdPair: type: object properties: FacebookId: description: Unique Facebook identifier for a user. type: string PlayFabId: description: >- Unique PlayFab identifier for a user, or null if no PlayFab account is linked to the Facebook identifier. type: string example: FacebookId: '857498576495' PlayFabId: 5a446c83645201 responses: GetPlayFabIDsFromFacebookIDsResult: description: >- For Facebook identifiers which have not been linked to PlayFab accounts, null will be returned. content: application/json: schema: type: object properties: code: type: integer description: >- The Http status code. If X-ReportErrorAsSuccess header is set to true, this will report the actual http error code. status: type: string description: The Http status code as a string. data: $ref: '#/components/schemas/GetPlayFabIDsFromFacebookIDsResult' example: code: 200 status: OK data: Data: - FacebookId: '857498576495' PlayFabId: 5a446c83645201 - FacebookId: '759374651209' PlayFabId: 6345cd25a6c7cc ApiErrorWrapper: description: This is the outer wrapper for all responses with errors content: application/json: schema: $ref: '#/components/schemas/ApiErrorWrapper' securitySchemes: SessionTicket: type: apiKey in: header name: X-Authorization description: >- This API requires a client session ticket, available from any Client Login function. ```` ## Related topics - [Get Play Fab I Ds From Facebook I Ds](/services/playfab/api-references/rest/server/account-management/get-play-fab-i-ds-from-facebook-i-ds.md) - [PFAccountManagementGetPlayFabIDsFromFacebookIDsResult](/services/playfab/api-references/c/pfaccountmanagementtypes/structs/pfaccountmanagementgetplayfabidsfromfacebookidsresult.md) - [PFAccountManagementGetPlayFabIDsFromFacebookIDsRequest](/services/playfab/api-references/c/pfaccountmanagementtypes/structs/pfaccountmanagementgetplayfabidsfromfacebookidsrequest.md) - [PFAccountManagementClientGetPlayFabIDsFromFacebookIDsAsync](/services/playfab/api-references/c/pfaccountmanagement/functions/pfaccountmanagementclientgetplayfabidsfromfacebookidsasync.md) - [PFAccountManagementServerGetPlayFabIDsFromFacebookIDsAsync](/services/playfab/api-references/c/pfaccountmanagement/functions/pfaccountmanagementservergetplayfabidsfromfacebookidsasync.md)