● Live · real-time data

Frontier Availability API

Fiber & internet serviceability for any US address — clean JSON, delivered live. No anti-bot walls, no proxies, no headless browsers, no cookies to keep alive.

100 req/ssustained, zero blocks

10,000calls in your trial

7 daysevaluation window

Open the interactive docs →

Quickstart

Authenticate with your X-Demo-Key header. One address in, the full availability answer out:

curl -X POST https://3.151.140.8.sslip.io/v1/check-address \
  -H "X-Demo-Key: YOUR_DEMO_KEY" \
  -H "content-type: application/json" \
  -d '{"address":"1919 McKinney Ave Dallas TX 75201"}'

{
  "data": {
    "in_footprint": true,
    "fiber_available": true,
    "candidate": { ... },
    "serviceability": { "designated_market_area_description": "Dallas-Ft.Worth TX", ... }
  },
  "demo": { "remaining": 9999, "quota": 10000 }
}

Endpoints

POST /v1/check-address — address → fiber availability, one call
POST /v1/predictive — address search + SAM records
POST /v1/serviceability — serviceability by SAM record
POST /v1/address/units — units under an MDU address
POST /v1/offers — offer catalog by phone
GET /v1/service/{usi} — service detail by USI
GET /v1/catalog — value-added products
GET /v1/faq — support FAQ

Read-only · US addresses · served live from Frontier · your remaining quota is in every response.