eBay · Capability

eBay Buy Offer API — Bidding

eBay Buy Offer API — Bidding. 2 operations. Lead operation: Bidding. Self-contained Naftiko capability covering one Ebay business surface.

Run with Naftiko EbayBidding

What You Can Do

GET
Getbidding — This method retrieves the bidding details that are specific to the buyer of the specified auction. This must be an auction where the buyer has already placed a bid.

To retrieve the bidding information you use a /v1/bidding/{item-id}
POST
Placeproxybid — This method uses a user access token to place a proxy bid for the buyer on a specific auction item. The item must offer AUCTION as one of the buyingOptions.
/v1/bidding/{item-id}/place-proxy-bid

MCP Tools

this-method-retrieves-bidding-details

This method retrieves the bidding details that are specific to the buyer of the specified auction. This must be an auction where the buyer has already placed a bid.

To retrieve the bidding information you use a read-only idempotent

this-method-uses-href-api

This method uses a user access token to place a proxy bid for the buyer on a specific auction item. The item must offer AUCTION as one of the buyingOptions.

Capability Spec

offer-bidding.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: eBay Buy Offer API — Bidding
  description: 'eBay Buy Offer API — Bidding. 2 operations. Lead operation: Bidding. Self-contained Naftiko capability covering
    one Ebay business surface.'
  tags:
  - Ebay
  - Bidding
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    EBAY_API_KEY: EBAY_API_KEY
capability:
  consumes:
  - type: http
    namespace: offer-bidding
    baseUri: https://api.ebay.com{basePath}
    description: eBay Buy Offer API — Bidding business capability. Self-contained, no shared references.
    resources:
    - name: bidding-item_id
      path: /bidding/{item_id}
      operations:
      - name: getbidding
        method: GET
        description: This method retrieves the bidding details that are specific to the buyer of the specified auction. This
          must be an auction where the buyer has already placed a bid. <br><br>To retrieve the bidding information you use
          a <a href="/api-docs/st
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: item_id
          in: path
          type: string
          description: This path parameter specifies the unique eBay RESTful identifier of an item for which you want the
            buyer's bidding information.<br><br>This ID is returned by th
          required: true
        - name: X-EBAY-C-MARKETPLACE-ID
          in: header
          type: string
          description: 'The ID of the eBay marketplace where the buyer is based. This value is case sensitive.<br><br>For
            example: <br>&nbsp;&nbsp;<code>X-EBAY-C-MARKETPLACE-ID = EBAY_'
          required: true
    - name: bidding-item_id-place_proxy_bid
      path: /bidding/{item_id}/place_proxy_bid
      operations:
      - name: placeproxybid
        method: POST
        description: This method uses a <a href="/api-docs/static/oauth-qref-auth-code-grant.html">user access token</a> to
          place a proxy bid for the buyer on a specific auction item. The item must offer <code>AUCTION</code> as one of the
          <b> buyingOptions</b>.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: item_id
          in: path
          type: string
          description: This path parameter specifies the unique eBay RESTful identifier of an item you want to bid on.<br><br>This
            ID is returned by the <a href="/api-docs/buy/browse/
          required: true
        - name: X-EBAY-C-MARKETPLACE-ID
          in: header
          type: string
          description: 'The ID of the eBay marketplace where the buyer is based. This value is case sensitive.<br><br> For
            example: <br>&nbsp;&nbsp;<code>X-EBAY-C-MARKETPLACE-ID = EBAY'
          required: true
        - name: Content-Type
          in: header
          type: string
          description: 'This header indicates the format of the request body provided by the client. Its value should be set
            to <b>application/json</b>. <br><br> For more information, '
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    authentication:
      type: bearer
      token: '{{env.EBAY_API_KEY}}'
  exposes:
  - type: rest
    namespace: offer-bidding-rest
    port: 8080
    description: REST adapter for eBay Buy Offer API — Bidding. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/bidding/{item-id}
      name: bidding-item-id
      description: REST surface for bidding-item_id.
      operations:
      - method: GET
        name: getbidding
        description: This method retrieves the bidding details that are specific to the buyer of the specified auction. This
          must be an auction where the buyer has already placed a bid. <br><br>To retrieve the bidding information you use
          a <a href="/api-docs/st
        call: offer-bidding.getbidding
        with:
          item_id: rest.item_id
          X-EBAY-C-MARKETPLACE-ID: rest.X-EBAY-C-MARKETPLACE-ID
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/bidding/{item-id}/place-proxy-bid
      name: bidding-item-id-place-proxy-bid
      description: REST surface for bidding-item_id-place_proxy_bid.
      operations:
      - method: POST
        name: placeproxybid
        description: This method uses a <a href="/api-docs/static/oauth-qref-auth-code-grant.html">user access token</a> to
          place a proxy bid for the buyer on a specific auction item. The item must offer <code>AUCTION</code> as one of the
          <b> buyingOptions</b>.
        call: offer-bidding.placeproxybid
        with:
          item_id: rest.item_id
          X-EBAY-C-MARKETPLACE-ID: rest.X-EBAY-C-MARKETPLACE-ID
          Content-Type: rest.Content-Type
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: offer-bidding-mcp
    port: 9090
    transport: http
    description: MCP adapter for eBay Buy Offer API — Bidding. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: this-method-retrieves-bidding-details
      description: This method retrieves the bidding details that are specific to the buyer of the specified auction. This
        must be an auction where the buyer has already placed a bid. <br><br>To retrieve the bidding information you use a
        <a href="/api-docs/st
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: offer-bidding.getbidding
      with:
        item_id: tools.item_id
        X-EBAY-C-MARKETPLACE-ID: tools.X-EBAY-C-MARKETPLACE-ID
      outputParameters:
      - type: object
        mapping: $.
    - name: this-method-uses-href-api
      description: This method uses a <a href="/api-docs/static/oauth-qref-auth-code-grant.html">user access token</a> to
        place a proxy bid for the buyer on a specific auction item. The item must offer <code>AUCTION</code> as one of the
        <b> buyingOptions</b>.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: offer-bidding.placeproxybid
      with:
        item_id: tools.item_id
        X-EBAY-C-MARKETPLACE-ID: tools.X-EBAY-C-MARKETPLACE-ID
        Content-Type: tools.Content-Type
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.