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Marketstack
Stock market data JSON API.
| Category | Finance & Market Data |
|---|---|
| Authentication | API key |
| Pricing | Free tier |
| Website | https://marketstack.com/ |
| Docs | https://marketstack.com/documentation |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/marketstack.json |
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