Bitcoin Halving

Overview

Bitcoin Halving is a free public API in the Cryptocurrency category. Halving era, block reward, and schedule arithmetic for any Bitcoin block height.

Cryptocurrency APIs feed wallets, trading dashboards, portfolio trackers, and price-alert bots with market data.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

Bitcoin Halving requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: supported — traffic to Bitcoin Halving is encrypted, so it is safe to use from production apps.
• CORS: enabled — Bitcoin Halving can be called directly from the browser without a proxy, which simplifies client-side integrations.

Getting Started

1. Read the official documentation: https://why21million.com/halving-api/
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for Bitcoin Halving before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does Bitcoin Halving require an API key?

No — Bitcoin Halving is listed as a no-auth API, so you can call it directly.