> ## Documentation Index > Fetch the complete documentation index at: https://partner-help.letsdothis.com/llms.txt > Use this file to discover all available pages before exploring further. # Read member details > Returns the core details (first and last name, email, phone, address, date of birth) as top-level properties and every other question on the membership form in customFields, each with its id, name and the answer as text. The caller must authorize its signed-in member to this membership. > [!NOTE] > > This endpoint is in beta: its request and response contract can still change while it's being developed. ## OpenAPI ````yaml /openapi.json get /v0/memberships/{membershipId} openapi: 3.1.0 info: title: Let's Do This API version: 0.1.0 description: > The full reference — getting started, pagination, error responses, rate limits and the changelog — lives at [partner-help.letsdothis.com/api-reference](https://partner-help.letsdothis.com/api-reference/overview). This page is the interactive OpenAPI view of the same specification. # Authentication Create an API key from **Settings** → **Credentials** in your Let's Do This account and send it as a bearer token: ```bash curl --request GET \ --url "https://api.letsdothis.com/v0/participants" \ --header "Authorization: Bearer YOUR-API-KEY" ``` Keep the key secret: it identifies your organization, so do not ship it in a website or native app. If a key is exposed, revoke it from the same section and create a replacement. # OpenAPI schema Download the [OpenAPI schema](https://api.letsdothis.com/documentation/json) to use with Postman or an OpenAPI client generator. servers: - url: https://api.letsdothis.com description: Production - url: https://api.staging.letsdothis.com description: Staging security: - bearerAuth: [] tags: - name: Events x-group: Events description: Events that participants can register for. - name: EventOccurrences x-group: Event occurrences description: >- Event occurrences scoped to the organizer associated with your Public API credentials. Unlike the public Events catalog, results are limited to your own events. - name: Races x-group: Races description: >- Races within an event occurrence. An event occurrence may have one or more races, for example a 5K and a 10K within the same race day. - name: Tickets x-group: Tickets description: Tickets that are available for events. - name: BookingForms x-group: Booking forms description: >- Booking forms define the questions a booker answers when registering for a ticket. A ticket usually references a single booking form, so expect zero or one, while a booking form may be shared across multiple tickets. - name: BookingFormFields x-group: Booking form fields description: >- Booking form fields are the individual questions on a booking form — their type, label, options, and whether an answer is required. A field can be reused across multiple forms. - name: Bookings x-group: Bookings description: >- Bookings are the transaction record for a registration. A booking may contain one or more participants (entries). - name: Membership x-group: Memberships description: >- Membership schemes, purchased policies and the memberships on them, owned by your organizer. Policies are billing contracts; a membership is one person on a policy. - name: Participant x-group: Participants description: Participants are users who successfully booked an event. - name: LineItem x-group: Line items description: Financial details related to individual items within transactions. - name: AddOns x-group: Add-ons description: >- Organizer-owned products that can be purchased and allocated to participants. Imported products retain stable external identities. - name: DiscountCodes x-group: Discount codes description: >- Discount codes participants enter at checkout to reduce the price of a booking. - name: Credits x-group: Credits description: >- Credits are balances participants can spend at checkout, identified by their email address. - name: Referrals x-group: Referrals description: >- Referral programs, the referrers registered on them, and asynchronous imports of historical referrals. - name: Application x-group: Applications description: >- Applications are created when a user applies for tickets that are set up to require an application process, such as balloted or "Good For Age" entries. - name: Partner x-group: Partners description: >- Partners that were created by the organization who can have Reserved Entries assigned to them. - name: ReservedEntries x-group: Reserved entries description: >- Reserved Entries are entries that are reserved for a partner. After being assigned, the partner can then allocate these entries to participants. - name: Timing x-group: Timing description: >- Timing providers push bib numbers and bib-pack shipments back to Let's Do This for the startlist entries they received. Available to select timing partners only. - name: Identity x-group: API key description: >- What your API key can reach. Available to every key, including scoped ones. paths: /v0/memberships/{membershipId}: get: tags: - Membership summary: Read member details description: >- Returns the core details (first and last name, email, phone, address, date of birth) as top-level properties and every other question on the membership form in customFields, each with its id, name and the answer as text. The caller must authorize its signed-in member to this membership. parameters: - schema: type: string pattern: ^[a-fA-F0-9]{24}$ in: path name: membershipId required: true responses: '200': description: Default Response content: application/json: schema: $ref: '#/components/schemas/MembershipDetails' '404': description: Default Response content: application/json: schema: type: object required: - code - statusCode - message properties: code: type: string enum: - MEMBERSHIP_RESOURCE_NOT_FOUND - MEMBERSHIP_INVALID_REQUEST - MEMBERSHIP_PORTAL_CONFIGURATION_REQUIRED - MEMBERSHIP_BILLING_UNAVAILABLE - MEMBERSHIP_FROZEN - MEMBERSHIP_ALREADY_CANCELLED description: >- Stable error identifier. RESOURCE_NOT_FOUND covers missing and foreign resources alike. INVALID_REQUEST covers malformed input or fields that cannot be edited. PORTAL_CONFIGURATION_REQUIRED requires account setup; BILLING_UNAVAILABLE means billing cannot be resolved or reached. FROZEN and ALREADY_CANCELLED are reserved for future lifecycle writes. statusCode: type: integer message: type: string components: schemas: MembershipDetails: title: MembershipDetails type: object properties: id: type: string firstName: type: - string - 'null' lastName: type: - string - 'null' emailAddress: type: - string - 'null' description: >- The account email. Read-only; staff move a membership from the dashboard. phone: anyOf: - $ref: '#/components/schemas/MembershipPhone' - type: 'null' address: anyOf: - $ref: '#/components/schemas/MembershipAddress' - type: 'null' dateOfBirth: type: - string - 'null' description: ISO date (YYYY-MM-DD). Null when none is recorded. customFields: type: array items: $ref: '#/components/schemas/MembershipCustomField' required: - id - firstName - lastName - emailAddress - phone - address - dateOfBirth - customFields additionalProperties: false description: >- Core details are top-level; every other question on the organiser's membership form is a custom field. MembershipPhone: title: MembershipPhone type: object properties: countryCode: type: string description: >- ISO 3166-1 alpha-2 country code, such as `DK` or `GB`; not a dialling code. number: type: string description: >- The number as the member entered it, which may be in national format, such as `07700900123` for `GB`. Combine it with `countryCode` using a phone-number library to call or text. required: - countryCode - number additionalProperties: false MembershipAddress: title: MembershipAddress type: object properties: line1: type: - string - 'null' line2: type: - string - 'null' city: type: - string - 'null' county: type: - string - 'null' postcode: type: - string - 'null' country: type: - string - 'null' required: - line1 - line2 - city - county - postcode - country additionalProperties: false MembershipCustomField: title: MembershipCustomField type: object properties: id: type: string description: The form field id, as in a participant's `fields`. name: type: string value: type: - string - 'null' description: The member's answer as text; null when there is none. required: - id - name - value additionalProperties: false description: An answer to one custom question on the membership form. securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.