> ## 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. # Get an event occurrence by ID > Returns a single event occurrence by ID if it belongs to the organizer associated with your Public API credentials. ## OpenAPI ````yaml /openapi.json get /v0/event-occurrences/{id} 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: 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. paths: /v0/event-occurrences/{id}: get: tags: - EventOccurrences summary: Get an event occurrence by ID description: >- Returns a single event occurrence by ID if it belongs to the organizer associated with your Public API credentials. parameters: - schema: type: string example: '12345678901' in: path name: id required: true description: The ID of the event occurrence to query by. responses: '200': description: Default Response content: application/json: schema: $ref: '#/components/schemas/OrganizerEventOccurrence' '404': description: Not found content: application/json: schema: description: Not found type: object properties: statusCode: type: number enum: - 404 error: type: string message: type: string components: schemas: OrganizerEventOccurrence: title: OrganizerEventOccurrence type: object properties: id: type: string description: Unique event occurrence identifier. example: '12345678901' title: type: string description: >- Default event title. Use `titleByLocale` for available translations in different locales. example: Example Half Marathon 2026 titleByLocale: type: object additionalProperties: type: string description: >- Event title translated to multiple locales. Will always include the default title, and may also specify translations in a number of other locales. example: en-GB: Example Half Marathon 2026 fr-FR: Exemple Semi-Marathon 2026 tags: type: array items: type: string description: Categorization tags for the event example: - flat - charity-run - closed-roads content: $ref: '#/components/schemas/EventContent' startDate: type: string description: A plain date string representing the event's start date location: $ref: '#/components/schemas/EventLocation' images: $ref: '#/components/schemas/EventImages' priceRange: $ref: '#/components/schemas/PriceRange' required: - id - title - titleByLocale - tags - content - startDate - location - images - priceRange additionalProperties: false description: >- A single event occurrence owned by the organizer associated with your Public API credentials. Unlike the marketplace `EventOccurrence`, this omits the per-item `organizer` block: every occurrence returned by the organizer endpoint belongs to the calling organizer, so repeating it on each item adds no information. example: id: 66a2b3c4d5e6f708192a3b4c title: City River Run titleByLocale: en-US: City River Run tags: - running - 10k - road content: excerpt: A fast, welcoming city run along the riverfront. courseDetails: A mostly flat, single-loop course on closed roads. racedayLogistics: Packet pickup opens at 6:30 AM near the start line. startDate: '2026-10-18' location: coordinates: latitude: 45.5152 longitude: -122.6784 address: city: Portland formatted: Riverfront Park, Portland, OR, USA countryCode: US countryName: United States countyLine: Multnomah County postCode: '97204' images: hero: https://images.letsdothis.com/events/city-river-run/hero.jpg logo: https://images.letsdothis.com/events/city-river-run/logo.png all: - https://images.letsdothis.com/events/city-river-run/course.jpg priceRange: min: value: 6500 currencyCode: USD max: value: 8500 currencyCode: USD EventContent: title: EventContent type: object properties: excerpt: type: string description: (Optional) HTML-formatted event description courseDetails: type: string description: (Optional) HTML-formatted course description racedayLogistics: type: string description: (Optional) HTML-formatted race day information travel: type: string description: (Optional) HTML-formatted travel information spectators: type: string description: (Optional) HTML-formatted spectator information additionalProperties: false EventLocation: title: EventLocation type: object properties: coordinates: type: object properties: latitude: type: number description: The latitude in degrees. In the range [-90.0, +90.0]. longitude: type: number description: The longitude in degrees. In the range [-180.0, +180.0]. additionalProperties: false address: type: object properties: city: type: string formatted: type: string countryCode: type: string countryName: type: string addressLine1: type: string addressLine2: type: string countyLine: type: string postCode: type: string additionalProperties: false required: - address additionalProperties: false description: Event location example: coordinates: latitude: 50.8398169 longitude: -0.1460002 address: city: Brighton formatted: Preston Park, Preston Rd, Brighton BN1 6SD, UK countryCode: GB countryName: United Kingdom countyLine: Brighton and Hove postCode: BN1 6SD EventImages: title: EventImages type: object properties: hero: type: string description: (Optional) Hero image URL for the event logo: type: string description: (Optional) Event logo URL all: type: array items: type: string description: >- All other image URLs associated with the event (excluding the hero image and event logo) required: - all additionalProperties: false PriceRange: title: PriceRange type: object properties: min: $ref: '#/components/schemas/Price' max: $ref: '#/components/schemas/Price' additionalProperties: false Price: title: Price type: object properties: value: $ref: '#/components/schemas/PriceValue' currencyCode: $ref: '#/components/schemas/CurrencyCode' required: - value - currencyCode additionalProperties: false description: >- A monetary value in 100x base unit format. For example, 1 GBP is represented as: _{ "value": 100, "currencyCode": "GBP" }_ And 5 cents are represented as: _{ "value": 5, "currencyCode": "USD" }_ PriceValue: title: PriceValue type: number description: >- A monetary value in 100x base unit format. For example, 1 GBP is represented as: 100, and 5 cents are represented as: 5 example: 5000 CurrencyCode: title: CurrencyCode type: string enum: - AUD - CAD - DKK - EUR - GBP - INR - MXN - PHP - USD - ZERO securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````