POST /v1/check · mode reference

mode:bing_copilot

Bing Search with Copilot's AI Overview item rendered alongside organic results. Returns the AI answer text and the references Bing/Copilot attributes it to.

Why Bing matters in 2026

Bing's index is the foundation behind ChatGPT search and several other AI assistants. Tracking Bing Copilot is the closest signal to "what ChatGPT-class assistants will see" for any given query, in addition to its standalone Bing audience.

Pricing

$0.05 per call — tied with mode:ai_overview as the cheapest live mode. 100% refund on upstream failure.

SLA

Target 99% success rate, <5s p95 latency.

Request

bash

curl https://api.mentionsapi.com/v1/check \
  -H "Authorization: Bearer lvk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "bing_copilot",
    "query": "best CRM for small business",
    "brand": "HubSpot"
  }'

Response

json

{
  "id": "chk_a8d2c...",
  "mode": "bing_copilot",
  "providers": {
    "bing_copilot": {
      "mentioned": true, "rank": 4,
      "context": "Top picks include HubSpot CRM (free tier with marketing tooling), Salesforce, Zoho, and Pipedrive...",
      "citations": [
        { "url": "https://www.hubspot.com/crm", "title": "HubSpot CRM" },
        { "url": "https://www.salesforce.com/", "title": "Salesforce" },
        { "url": "https://www.g2.com/categories/crm", "title": "G2 CRM Reviews" }
      ],
      "fan_out": [],
      "brand_entities": []
    }
  },
  "duration_ms": 3018,
  "cost_cents": 5,
  "cache_hit": false
}