Crypto open interest data providers, compared on the facts
Open interest is the total number of outstanding derivatives contracts that have not been settled. These providers state on an official page that they offer open interest data. The table is alphabetical with no ranking; it is information only, not investment advice.
What to check
- Per-exchange versus aggregated open interest.
- Unit of measure (contracts, base asset or USD).
- History depth and candle granularity on your plan.
- Update frequency and rate limits.
4 providers that document open interest data
| Provider | Pricing | Free tier | REST | WebSocket | MCP | Source | Verified |
|---|---|---|---|---|---|---|---|
| CoinGlass API | from $29/month | No | Yes | unknown | unknown | official page ↗ | 2026-10-29 |
| Kaiko | from $1000/month | No | Yes | unknown | unknown | official page ↗ | 2026-10-29 |
| Laevitas | from $50/month | Yes | Yes | Yes | Yes | official page ↗ | 2026-10-29 |
| Tardis.dev | from $1200/month | unknown | Yes | unknown | unknown | official page ↗ | 2026-10-29 |
Alphabetical; no paid placement, no affiliate links. A row means the linked official page names this dataset; it does not describe depth, latency or exchange coverage. “unknown” means we could not confirm it. Method: methodology.
Related
- Crypto funding rates data providers
- Crypto liquidations data providers
- All market data apis
- CoinGlass API alternatives
- Kaiko alternatives
- Laevitas alternatives
FAQ
Which providers offer open interest data?
Listed in our directory, alphabetically: CoinGlass API, Kaiko, Laevitas, Tardis.dev. Each names the dataset on an official page.
Is there free open interest data?
Free tier confirmed: Laevitas. Check the limits on the vendor page.
Is this investment advice?
No. Tokvane lists data providers. It gives no trading signals, price predictions or recommendations.
Information only, not financial or investment advice.