KASPAREX𐤊

Beta

Live

KPX protocol

Kaspa-wide payloads for identity, verification, EVM links, and content commits - indexed by Kasparex.

Overview

KPX v1 defines small JSON payloads you attach to Kaspa transfers so indexers can recover identity, links, verification state, and content fingerprints. Use the sections below to jump into tools, HTTP APIs, and Knowledge Base articles.

Tools

Post identity updates

Wallet-friendly broadcast form

Compose, validate, and send kpx payloads with KasWare or Kastle - self-send flow with optional priority fee.

More modules

Additional utilities, dApp integrations, and batch workflows will be listed here as they ship.

APIs

GET /api/kpx/spec
Machine-readable field list and types for integrators.
Open
POST /api/kpx/parse
Validate a UTF-8 JSON payload (POST body) before broadcasting.
Open
GET /api/kpx/pf/[addr]
Latest indexed profile state for a Kaspa address (replace [addr]).
Open
GET /api/kpx/ver/[addr] · /lnk/[addr] · /cm/[addr] · /cm/[addr]/summary
Indexer snapshots for verified flag, EVM link, commits, and commit summaries.
Open

Use cases

Use casebetakpx

Self-custody identity updates

You keep the keys

Publish profile, links, and fingerprints without a custodian: the wallet signs, Kaspa stores, indexers aggregate.

Use casedraftkpx

Creator provenance for releases

Ship hashes, not files, on L1

Use content commits to point to IPFS, Arweave, or mirrors while keeping an immutable Kaspa audit trail.

Docs

Knowledge Base

Browse all Kasparex guides - including deep dives on kpx record types and security notes.

Documentationdraftkpx

kpx v1 - overview

Kaspa-wide identity & creator payloads

How kpx v1 encodes portable JSON on Kaspa transactions so wallets and indexers agree on meaning.

Protocoldraftkpx

Public profile (kpx/pf)

Display name, bio, tags

Human-readable public fields bound to your Kaspa address, carried as a small on-chain payload.

Protocoldraftkpx

Verified badge (kpx/ver)

On-chain verified flag

Signals verification intent on-chain; apps may apply additional policy before showing badges in UI.

Protocoldraftkpx

Kaspa ↔ EVM link (kpx/lnk)

Bind L1 to an Ethereum address

Store a standard 0x address next to your Kaspa identity for bridges, payouts, and cross-chain UX.

Protocoldraftkpx

Content commits (kpx/cm)

Fingerprints for blogs, dApps, games…

Anchor a 64-hex content hash to an id and version line so mirrors and indexers can prove integrity.