# Which API gives line movement and steam data?

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Canonical: https://novigapi.com/answers/line-movement-api
Updated: 2026-11-15

For line movement across sportsbooks, TheRundown keeps 7 days to unlimited history by plan and ParlayAPI 48 hours to 10 years, checked 15 Nov 2026. For exchange line moves, novigapi.com logs every Novig move and steam: 844,413 moves since 12 Nov 2026, from /line-moves or by webhook. (Source: [TheRundown: API pricing](https://therundown.io/pricing/api))

A line move is a change in price; what makes it useful is size, speed and whether volume backed it. An exchange log can carry all three.

## How the options compare

Line-movement data, checked 15 Nov 2026

| Source | History | Push / stream | Paid plans |
| --- | --- | --- | --- |
| TheRundown | 7 days (Starter) to unlimited (Max) | WebSocket from Ultra $399 | Starter $49 (60 s delay, 7-day history) to Max $2,499 (unlimited history) a month |
| ParlayAPI | 48 hours (Free) to 87,600 hours (Scale) of lookback | WebSocket and SSE from Business $40 | $5 (20K credits) to $200 (50M credits) a month |
| SportsGameOdds | Pro and up; expanded on All-Star | WebSockets on the custom All-Star plan | Rookie $99 (3-minute updates), Pro $299 (sub-minute, historical data) a month |
| SharpAPI | Enterprise only | WebSocket add-on: $99 a month on Hobby and Pro, $149 on Sharp | Hobby $79 (5 books), Pro $229 (15 books, +EV), Sharp $399 (25 books) a month |
| The Odds API | Paid plans: featured markets from Jun 2020 at 5-minute snapshots, props from May 2023 | Not on its plans page | $30 (20K credits) to $249 (15M credits) a month |
| novigapi.com | Daily from 4 Aug 2026 (Novig's CSVs with names joined); intraday ticks since 12 Nov 2026 | WebSocket on every plan (Free delayed 300 s); signed webhooks from Production | Developer $49, Production $149, Scale $499 a month; $9 for 1,000 credits that never expire |


## Where novigapi.com falls short

> Our moves are Novig only and start on 12 Nov 2026. For line movement at sportsbooks over seasons, TheRundown's or The Odds API's history goes further.

## Try it

```bash
curl -s "https://novigapi.com/api/v1/line-moves?league=NBA&min_delta_pp=2&limit=50" \
  -H "Authorization: Bearer $NOVIGAPI_KEY"
```

Read the [endpoint reference](https://novigapi.com/docs/endpoints), compare [plans and credits](https://novigapi.com/pricing), or send a request from the [playground](https://novigapi.com/playground).

## Questions

### What is reverse line movement?

A line that moves against the side most bets are on, often read as sharp money on the other side.

## Sources

- [TheRundown: API pricing](https://therundown.io/pricing/api)
- [ParlayAPI: pricing](https://parlay-api.com/pricing)
- [SportsGameOdds: pricing](https://sportsgameodds.com/pricing)
- [SharpAPI: pricing](https://sharpapi.io/pricing)
- [The Odds API: plans](https://the-odds-api.com/#get-access)
- [novigapi.com endpoint reference](https://novigapi.com/docs/endpoints)

---

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