> ## Documentation Index > Fetch the complete documentation index at: https://docs.batchrelay.com/llms.txt > Use this file to discover all available pages before exploring further. # List exact published provider offers > Returns canonical provider-neutral discovery offers. Available WHCC offers include exact verified unit costs; unknown or unavailable offers are intentionally unpriced. Fulfillment constraints are discovery data, not a provider submission guarantee. Provider-native SKU and UID values are never exposed. ## OpenAPI ````yaml https://api.batchrelay.com/openapi.json get /v1/catalog/products/{product_id}/offers openapi: 3.1.0 info: description: >- Provider-neutral print catalog and prepared-media validation. This document covers only routes owned by the Go service; it deliberately excludes migration-proxied order lifecycle routes and all provider payloads. license: name: Proprietary url: https://github.com/SENTINELITE/Batch-Relay-Go/blob/main/README.md title: Batch Relay API version: 1.0.1 servers: - url: https://api.batchrelay.com security: [] tags: - description: Service health and the public API description. name: System - description: Test Mode session creation and API credential entry points. name: Authentication - description: >- Provider-neutral canonical catalog resources and platform-owned semantic definitions. name: Catalog - description: Studio-scoped guest checkout-link management. name: Checkout links - description: >- One-way operational event messages. Alert emails contain no message body and recipients read messages after Batch Relay authentication. name: Studio messages - description: >- Explicit, reviewable sandbox-to-Live promotion plans for forms, catalog, and storefront configuration. name: Sandbox promotions - description: Provider-neutral validation, quoting, and order lifecycle operations. name: Print orders - description: Managed fulfillment asset ingestion and metadata. name: Managed assets - description: Studio-scoped original asset upload sessions and objects. name: Studio assets - description: Prepared and confirmed event roster team changes. name: Event team changes - description: Authenticated studio, event, and form-management operations. name: Studio management - description: >- Authenticated studio retail catalog management. Draft and publication lifecycles are explicit per product or package. name: Studio catalog - description: >- Authenticated singular storefront assortment management. PATCH atomically publishes a new immutable assortment revision; no storefront draft lifecycle exists yet. name: Storefront - description: Managed media used by the studio retail catalog. name: Studio catalog assets - description: Template rendering job creation and retrieval. name: Template renders - description: >- Published browser-side template packages and short-lived server proof renders. Preview artifacts are never fulfillment artwork. name: Browser previews - description: API account and credential administration. name: API accounts paths: /v1/catalog/products/{product_id}/offers: parameters: - $ref: '#/components/parameters/ClientSurface' - $ref: '#/components/parameters/ClientVersion' - $ref: '#/components/parameters/InvocationMode' get: tags: - Catalog summary: List exact published provider offers description: >- Returns canonical provider-neutral discovery offers. Available WHCC offers include exact verified unit costs; unknown or unavailable offers are intentionally unpriced. Fulfillment constraints are discovery data, not a provider submission guarantee. Provider-native SKU and UID values are never exposed. operationId: listCatalogProductOffers parameters: - in: path name: product_id required: true schema: minLength: 1 type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/ProviderOfferList' description: Published provider offers '404': $ref: '#/components/responses/ProductNotFound' security: [] components: parameters: ClientSurface: description: >- Untrusted optional analytics hint naming the calling client surface. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Client-Surface required: false schema: maxLength: 100 minLength: 1 type: string ClientVersion: description: >- Untrusted optional analytics hint naming the calling client version. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Client-Version required: false schema: maxLength: 100 minLength: 1 type: string InvocationMode: description: >- Untrusted optional analytics hint naming the invocation mode. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Invocation-Mode required: false schema: maxLength: 100 minLength: 1 type: string schemas: ProviderOfferList: additionalProperties: false properties: offers: items: $ref: '#/components/schemas/ProviderOffer' type: array product: $ref: '#/components/schemas/ProductReference' required: - product - offers type: object ProviderOffer: additionalProperties: false allOf: - if: properties: availability: const: available required: - availability then: required: - currency - unit_cost_cents - pricing_revision - if: properties: availability: enum: - unavailable - unknown required: - availability then: not: anyOf: - required: - currency - required: - unit_cost_cents - required: - pricing_revision description: >- Canonical provider-neutral discovery data. Available WHCC offers include a verified exact unit cost. Unknown or unavailable offers, including the current RPL entry, never contain a currency, unit cost, or pricing revision and are not chargeable quotes. properties: availability: $ref: '#/components/schemas/ProviderOfferAvailability' configuration: additionalProperties: type: string type: object currency: const: USD type: string fulfillment_constraints: $ref: '#/components/schemas/ProviderOfferConstraints' id: minLength: 1 type: string pricing_revision: minLength: 1 type: string product: $ref: '#/components/schemas/ProductReference' provider_id: $ref: '#/components/schemas/ProviderID' unit_cost_cents: minimum: 0 type: integer required: - id - product - configuration - provider_id - availability - fulfillment_constraints type: object ProductReference: additionalProperties: false properties: id: minLength: 1 type: string revision: minimum: 1 type: integer required: - id - revision type: object Error: additionalProperties: false properties: code: description: Stable machine-readable error code. type: string docs_url: format: uri type: string error: description: Backward-compatible human-readable error. type: string message: type: string request_id: type: string required: - error - code - message - docs_url - request_id type: object ProviderOfferAvailability: enum: - available - unavailable - unknown type: string ProviderOfferConstraints: additionalProperties: false properties: fulfillment_group: minLength: 1 type: string requirements: items: minLength: 1 type: string type: array shipping_services: items: $ref: '#/components/schemas/ShippingService' type: array required: - fulfillment_group type: object ProviderID: enum: - whcc - rpl type: string ShippingService: description: >- Required domestic US delivery service. The server freezes the exact deterministic provider shipping quote before payment; a service can be unavailable when provider eligibility, a one-day zone result, or required provider cost evidence is unavailable. enum: - economy_untracked - economy - expedited - standard_one_day - priority_one_day type: string responses: ProductNotFound: content: application/json: schema: $ref: '#/components/schemas/Error' description: The active public product does not exist. ````