> ## Documentation Index > Fetch the complete documentation index at: https://docs.interchange.io/llms.txt > Use this file to discover all available pages before exploring further. # List catalogs > List catalogs that have been synced for an advertiser. ## OpenAPI ````yaml /v2/buyer-api-v2.yaml get /advertisers/{advertiserId}/catalogs openapi: 3.0.0 info: title: Scope3 Buyer API version: 2.0.0 description: |- REST API for advertisers to manage advertisers, campaigns, and reporting. ## Authentication All endpoints require a Bearer token in the Authorization header: ``` Authorization: Bearer your-api-key ``` ## Base URL `https://api.interchange.io/api/v2/buyer` ## For AI Agents AI agents can use the MCP endpoint at `/mcp/v2/buyer` with three tools: - `initialize`: Start an MCP session - `api_call`: Make REST API calls - `ask_about_capability`: Learn about API features servers: - url: https://api.interchange.io/api/v2/buyer description: Production server security: [] tags: - name: Signup description: Request reviewed access to Interchange - name: Account description: Account management, service tokens, and preferences - name: Asks description: >- What you are waiting on Scope3 for — support, product, and supply asks in one list - name: Advertisers description: Manage advertisers - name: Product Discovery description: Discover and select products - name: Campaigns description: Manage advertising campaigns - name: Creatives description: Build, manage, and sync campaign creatives via AdCP Creative Protocol - name: Reporting description: Access performance metrics - name: Event Sources description: >- Manage event source configurations and log conversion/marketing events for attribution - name: Property Lists description: Validate property lists against AAO registry - name: Sales Agents description: View and connect sales agents - name: Measurement description: Measurement sources, records, context, and freshness - name: Syndication description: Syndicate resources to ADCP agents - name: Tasks description: Track async operation status - name: Buyer Billing description: >- Consolidated invoicing for buyers — invoices and pending invoice items issued by Scope3 across the buyer customer. - name: MCP description: Model Context Protocol endpoints for AI agents paths: /advertisers/{advertiserId}/catalogs: get: tags: - Advertisers summary: List catalogs description: List catalogs that have been synced for an advertiser. operationId: listCatalogs parameters: - in: query name: type schema: type: string enum: - offering - product - inventory - store - promotion - hotel - flight - job - vehicle - real_estate - education - destination - app - in: query name: take schema: description: Number of results to return (max 250) example: 50 default: 50 type: integer maximum: 250 minimum: 1 description: Number of results to return (max 250) - in: query name: skip schema: description: Number of results to skip for pagination example: 0 default: 0 type: integer minimum: 0 maximum: 9007199254740991 description: Number of results to skip for pagination - in: path name: advertiserId schema: description: Unique identifier for the advertiser example: '12345' type: string minLength: 1 required: true description: Unique identifier for the advertiser responses: '200': description: List catalogs content: application/json: schema: type: object properties: catalogs: type: array items: type: object properties: catalogId: type: string platformId: type: string type: type: string enum: - offering - product - inventory - store - promotion - hotel - flight - job - vehicle - real_estate - education - destination - app sourceType: type: string enum: - inline - url - selector name: nullable: true type: string url: nullable: true type: string feedFormat: nullable: true type: string enum: - google_merchant_center - facebook_catalog - shopify - linkedin_jobs - tiktok_shop - pinterest_catalog - openai_product_feed - custom updateFrequency: nullable: true type: string enum: - realtime - hourly - daily - weekly itemCount: type: integer minimum: 0 maximum: 9007199254740991 syncStatus: description: Raw ingest/sync state for this catalog type: string enum: - pending - syncing - synced - failed - not_synced healthStatus: description: >- Operational health derived from sync state and freshness windows type: string enum: - not_synced - healthy - stale - warning - failed latestVersionId: nullable: true type: string latestVersionNumber: nullable: true type: integer maximum: 9007199254740991 minimum: 1 latestContentHash: nullable: true type: string activeTransformId: nullable: true type: string latestActivationPlanId: nullable: true type: string lastChangeSummary: type: object properties: added: default: 0 type: integer minimum: 0 maximum: 9007199254740991 updated: default: 0 type: integer minimum: 0 maximum: 9007199254740991 unchanged: default: 0 type: integer minimum: 0 maximum: 9007199254740991 removed: default: 0 type: integer minimum: 0 maximum: 9007199254740991 required: - added - updated - unchanged - removed additionalProperties: false lastSyncAttemptAt: nullable: true 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))$ lastSyncedAt: nullable: true 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))$ nextSyncAt: nullable: true 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))$ staleAfterAt: nullable: true 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))$ versions: type: array items: type: object properties: versionId: type: string versionNumber: type: integer maximum: 9007199254740991 minimum: 1 itemCount: type: integer minimum: 0 maximum: 9007199254740991 contentHash: type: string changeSummary: type: object properties: added: default: 0 type: integer minimum: 0 maximum: 9007199254740991 updated: default: 0 type: integer minimum: 0 maximum: 9007199254740991 unchanged: default: 0 type: integer minimum: 0 maximum: 9007199254740991 removed: default: 0 type: integer minimum: 0 maximum: 9007199254740991 required: - added - updated - unchanged - removed additionalProperties: false syncStatus: type: string enum: - pending - syncing - synced - failed - not_synced 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))$ completedAt: nullable: true 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))$ required: - versionId - versionNumber - itemCount - contentHash - changeSummary - syncStatus - createdAt - completedAt additionalProperties: false recentRefreshRuns: type: array items: type: object properties: refreshRunId: type: string status: type: string enum: - syncing - synced - unchanged - failed httpStatus: nullable: true type: integer minimum: -9007199254740991 maximum: 9007199254740991 itemCount: nullable: true type: integer minimum: 0 maximum: 9007199254740991 activationSkippedReason: nullable: true type: string error: nullable: true type: string startedAt: 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))$ completedAt: nullable: true 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))$ required: - refreshRunId - status - httpStatus - itemCount - activationSkippedReason - error - startedAt - completedAt additionalProperties: false recentActivationExecutions: type: array items: type: object properties: executionId: type: string planId: nullable: true type: string catalogVersionId: nullable: true type: string status: type: string enum: - pending - completed - failed trigger: type: string enum: - manual - feed_refresh - scheduled campaignGroupCount: type: integer minimum: 0 maximum: 9007199254740991 creativeAssetCount: type: integer minimum: 0 maximum: 9007199254740991 syndicationTargetCount: type: integer minimum: 0 maximum: 9007199254740991 error: nullable: true type: string startedAt: 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))$ completedAt: nullable: true 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))$ required: - executionId - planId - catalogVersionId - status - trigger - campaignGroupCount - creativeAssetCount - syndicationTargetCount - error - startedAt - completedAt additionalProperties: false advertiserId: type: string required: - catalogId - platformId - type - sourceType - name - url - feedFormat - updateFrequency - itemCount - syncStatus - healthStatus - latestVersionId - latestVersionNumber - latestContentHash - activeTransformId - latestActivationPlanId - lastChangeSummary - lastSyncAttemptAt - lastSyncedAt - nextSyncAt - staleAfterAt - versions - recentRefreshRuns - recentActivationExecutions - advertiserId additionalProperties: false total: type: integer minimum: 0 maximum: 9007199254740991 required: - catalogs - total additionalProperties: false '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: ErrorResponse: description: Standard error response type: object properties: data: type: string nullable: true enum: - null error: $ref: '#/components/schemas/ApiError' required: - data - error additionalProperties: false ApiError: description: Structured error object type: object properties: code: description: Machine-readable error code type: string message: description: Human-readable error message type: string field: description: Field path associated with the error type: string details: description: Additional error context type: object additionalProperties: {} required: - code - message additionalProperties: false securitySchemes: bearerAuth: type: http scheme: bearer description: API key or access token ````