Developer API

Build with Prima Evidence

Integrate proof of existence into your applications with our REST API. Prepaid credits, instant processing, and permanent blockchain storage.

1

Generate API Key

Create your developer account and generate a secure API key from the dashboard.

2

Buy Credits

Purchase prepaid credits with bulk discounts. 1 credit = 1 proof. Credits never expire.

3

Create Proofs

POST your SHA-256 hashes to our API. Each proof is permanently stored on Arweave blockchain.

Developer API — Prima Evidence | Prima Evidence