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Sintra is a Bitcoin Price API which helps developers around the world add pricing data into their apps. We're not the only API that provides this kind of data but this is what we feel sets us apart from the rest:
No personal data of any sort is required to start using the Sintra API. Even if you decide to upgrade to the Pro plan then we still don't ask for any personal information. Nor do we track user behaviour or make excessive use of cookies.
We accept payments overt Lightning. This allows users to access premium services without needing to provide personal details and it also means another vendor accepting Bitcoin as payment.
Our prices are more accurate than data from a single exchange because we aggregate data from multiple exchanges. Often when an exchange becomes busy it's prices can be much higher than that of another exchange so by aggregating the prices, a more accurate price is returned.
We offer a Free plan that actually allows developers to build out proof-of-concept apps without hitting limits too early.
Our upcoming Pro plan is set at a very affordable rate should you need to upgrade in the future. Most similar services charge huge amounts.
A Websocket API is available to all users and it's really easy to connect and parse the data that is returned.
The upcoming Webhook infrastructure will enable apps to build in price-alert flows and more for their users.
Above all, Sintra aims to improve the overall Bitcoin eco-system and help other developers do the same. Please get in touch if you have any questions or suggestions.