What it returns
US mortgage rates from Freddie Mac's Primary Mortgage Market Survey (PMMS), the weekly benchmark for 30-year and 15-year fixed-rate mortgages, from 1971 to the latest Thursday.
| field | meaning |. |---|---|. | `date` | survey week (the Thursday it was published) |. | `rate30y`, `points30y` | 30-year fixed rate (%) and fees and points (where published) |. | `rate15y`, `points15y` | 15-year fixed rate (%) and fees and points (where published) |. | `rate5_1Arm`, `points5_1Arm`, `margin5_1Arm` | 5/1 adjustable-rate mortgage (discontinued by Freddie Mac in November 2022) |. | `change30y`, `change15y` | change from the previous week, percentage points |. | `yoy30y` | change from the same week a year earlier, percentage points |. | `releaseTime` | Freddie Mac publishes PMMS each Thursday at noon ET (shown from 2023) |.
Request
POST https://api.pushbuild.com/freddie-mac-mortgage-rates/run with a JSON body. Send your key in the X-API-Key header.
| Field | Type | Description |
|---|---|---|
lastN | integer | Most recent weekly surveys. Ignored when fromYear is set. Default: 12. |
fromYear | integer | Return every week from this year. Optional. |
maxItems | integer | Maximum items to return (1-500). Default: 100. |
Example
curl -X POST https://api.pushbuild.com/freddie-mac-mortgage-rates/run \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"maxItems": 20}'Response
{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.
Pricing
Pay only for results returned: $0.16 per 1,000 weekly rows. No charge for errors or empty searches.
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Questions about this API, higher volumes, or a data source you need that we don't cover yet.
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