> ## Documentation Index > Fetch the complete documentation index at: https://docs.semicola.com/llms.txt > Use this file to discover all available pages before exploring further. # Create a DRAFT campaign (confirm currency first) ## OpenAPI ````yaml /openapi/buyer.yaml post /api/v2/buyer/campaigns openapi: 3.1.0 info: title: Semicola Exchange buyer API version: 2.0.0 description: >- Buyer endpoints: advertisers, storefronts and connections, product discovery, campaigns, proposals, media buys, creatives and reporting. Every write accepts an Idempotency-Key header. servers: - url: https://api.semicola.com security: - bearerAuth: [] - sessionCookie: [] tags: - name: Advertisers - name: Storefronts - name: Product Discovery - name: Campaigns - name: Media Buys - name: Creatives - name: Reporting - name: Event Sources - name: Webhooks - name: Tasks - name: Audit Logs paths: /api/v2/buyer/campaigns: post: tags: - Campaigns summary: Create a DRAFT campaign (confirm currency first) operationId: postBuyerCampaigns parameters: - name: Idempotency-Key in: header required: false schema: type: string minLength: 16 maxLength: 255 pattern: ^[A-Za-z0-9_.:-]+$ requestBody: required: true content: application/json: schema: type: object properties: advertiserId: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 name: type: string minLength: 1 maxLength: 200 brief: type: string maxLength: 20000 flightDates: type: object properties: startDate: type: string pattern: ^\d{4}-\d{2}-\d{2}$ endDate: type: string pattern: ^\d{4}-\d{2}-\d{2}$ required: - startDate - endDate budget: type: object properties: total: type: string pattern: ^-?\d+(\.\d{1,6})?$ currency: type: string pattern: ^[A-Z]{3}$ dailyCap: type: string pattern: ^-?\d+(\.\d{1,6})?$ pacing: default: EVEN type: string enum: - EVEN - ASAP - FRONTLOADED required: - total - currency management: default: managed type: string enum: - managed - tracked constraints: type: object properties: countries: type: array items: type: string pattern: ^[A-Z]{2}$ channels: type: array items: type: string enum: - display - olv - social - search - ctv - linear_tv - radio - streaming_audio - podcast - dooh - ooh - print - cinema - email - gaming - retail_media - influencer - affiliate - product_placement - sponsored_intelligence geoRegions: type: array items: type: string geoMetros: type: array items: type: string language: type: string audience: type: string ageRange: type: object properties: min: type: integer minimum: -9007199254740991 maximum: 9007199254740991 max: type: integer minimum: -9007199254740991 maximum: 9007199254740991 required: - min - max autonomy: type: object properties: inventorySelection: type: string enum: - manual - propose - automatic rebriefing: type: string enum: - manual - propose - automatic required: - inventorySelection - rebriefing storefrontIds: type: array items: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 discoveryId: type: string required: - advertiserId - name - flightDates - budget responses: '200': description: OK content: application/json: schema: type: object properties: data: anyOf: - type: object properties: campaign: type: object properties: id: type: string minLength: 5 advertiserId: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 customerId: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 name: type: string minLength: 1 brief: type: - string - 'null' status: type: string enum: - DRAFT - ACTIVE - PAUSED - COMPLETED - CANCELED - ARCHIVED management: type: string enum: - managed - tracked flightStart: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ flightEnd: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ budgetTotal: type: string pattern: ^-?\d+(\.\d{1,6})?$ currency: type: string pattern: ^[A-Z]{3}$ dailyCap: anyOf: - type: string pattern: ^-?\d+(\.\d{1,6})?$ - type: 'null' pacing: type: string enum: - EVEN - ASAP - FRONTLOADED constraints: anyOf: - type: object properties: countries: type: array items: type: string pattern: ^[A-Z]{2}$ channels: type: array items: type: string enum: - display - olv - social - search - ctv - linear_tv - radio - streaming_audio - podcast - dooh - ooh - print - cinema - email - gaming - retail_media - influencer - affiliate - product_placement - sponsored_intelligence geoRegions: type: array items: type: string geoMetros: type: array items: type: string language: type: string audience: type: string ageRange: type: object properties: min: type: integer minimum: -9007199254740991 maximum: 9007199254740991 max: type: integer minimum: -9007199254740991 maximum: 9007199254740991 required: - min - max additionalProperties: false additionalProperties: false - type: 'null' channelGroups: anyOf: - type: array items: type: object properties: channelGroupId: type: string name: type: string channels: type: array items: type: string enum: - display - olv - social - search - ctv - linear_tv - radio - streaming_audio - podcast - dooh - ooh - print - cinema - email - gaming - retail_media - influencer - affiliate - product_placement - sponsored_intelligence budgetShare: type: number minimum: 0 maximum: 1 required: - channelGroupId - name - channels additionalProperties: false - type: 'null' performanceConfig: anyOf: - type: object propertyNames: type: string additionalProperties: {} - type: 'null' autonomy: anyOf: - type: object properties: inventorySelection: type: string enum: - manual - propose - automatic rebriefing: type: string enum: - manual - propose - automatic required: - inventorySelection - rebriefing additionalProperties: false - type: 'null' frequencyCaps: anyOf: - type: array items: type: object properties: maxImpressions: type: integer exclusiveMinimum: 0 maximum: 9007199254740991 window: type: string required: - maxImpressions - window additionalProperties: false - type: 'null' labels: anyOf: - type: object propertyNames: type: string additionalProperties: type: string - type: 'null' discoveryId: anyOf: - type: string minLength: 5 - type: 'null' revision: type: integer minimum: 0 maximum: 9007199254740991 launchedAt: anyOf: - type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ - type: 'null' createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ updatedAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ required: - id - advertiserId - customerId - name - brief - status - management - flightStart - flightEnd - budgetTotal - currency - dailyCap - pacing - constraints - channelGroups - performanceConfig - autonomy - frequencyCaps - labels - discoveryId - revision - launchedAt - createdAt - updatedAt additionalProperties: false warnings: type: array items: type: string required: - campaign - warnings additionalProperties: false - type: 'null' error: anyOf: - type: object properties: code: type: string message: type: string field: type: string details: {} required: - code - message additionalProperties: false - type: 'null' required: - data - error additionalProperties: false default: description: >- Error envelope `{data: null, error: {code, message, field?, details?}}`. components: securitySchemes: bearerAuth: type: http scheme: bearer description: API key or OAuth access token. sessionCookie: type: apiKey in: cookie name: sc_session ````