For Builders

Build on the time layer

Integrate permanent time-anchoring into your own applications. Give your users the power of honest time. Firsts JSONL → Firsts JSONL — hash, height, sealed, slug, status — no captions.

SoulInTime API

// Anchor a moment in Bitcoin time

const receipt = await soulintime.anchor({

content: "My precious moment",

type: "text"

});

// Returns: { proofId, blockHeight, timestamp }

Anchor: POST /functions/v1Anchor

Authorization: Bearer sit_… optional; anonymous 100 POST/day; overage metered.

REST API

Simple HTTP endpoints for anchoring moments, verifying proofs, and retrieving receipts. Works with any language or platform.

Documentation coming soon

Open Source

SoulInTime is built on open protocols. Our SDK and core libraries will be open source — because time belongs to everyone.

GitHub

"Give your users something they've never had — proof of when."