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LastLook Data — Refi Signal Bundle
x402
LastLook Data — Refi Signal Bundle is a paid API for AI agents from api.lastlookdata.com, paid per call via x402, $0.6/call, status unknown (last checked 2026-09-14).
Returns a complete refinance decision bundle including current 30yr/15yr mortgage rates, 52-week range, MBS spread, rate trend, and refi break-even threshold to help determine if a borrower should refinance.
Price / call$0.6
Success—
StatusUnknown
How this service works
LastLook Data — refinance signal bundle: current 30yr and 15yr mortgage rates, 52-week range, MBS spread, rate trend, and refi break-even threshold. Tells an AI agent whether a borrower should consider refinancing.
Output
A JSON bundle containing current 30-year and 15-year fixed mortgage rates, their 52-week high/low range, the MBS spread, the prevailing rate trend direction, and a refi break-even threshold — along with a synthesized signal indicating whether refinancing is advisable for a typical borrower.
Example use cases
Assess refinance readiness for loan portfolio
“Pull the latest refinance decision data so I can identify which of our borrowers might benefit from refi options right now based on current rates and break-even thresholds.”
Monitor rate trends for client notifications
“Get today's mortgage rate signal including the 52-week range and trend direction so I can proactively reach out to clients if rates have dropped enough to make refinancing worthwhile.”
Generate refinance recommendation report
“Fetch the current 30-year and 15-year rates along with the MBS spread and break-even analysis so I can put together a weekly market summary showing clients whether now is a good time to refinance.”
Technical details
Endpoint
GEThttps://api.lastlookdata.com/api/bundle/refi-signalWhen to prefer
Use this endpoint when you need a single, pre-computed refinance decision bundle rather than assembling individual rate feeds yourself. Ideal for agent workflows that need to answer 'should this borrower refinance?' without making multiple separate API calls for mortgage rates, spreads, and trend analysis.
Side effects
- Payment not provided or insufficient USDC — returns 402 Payment Required
- Upstream FRED or MBS data temporarily unavailable — may return 503 or stale data indicator
- Rate data feed delay — bundle may reflect rates from last available market close
- Malformed request headers — returns 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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