Nostrcheck
Identity and hosting for Nostr. NIP-05 verification, file hosting, and more.
Overview
Nostrcheck is a comprehensive service providing NIP-05 identity verification, file hosting, and relay infrastructure for the Nostr ecosystem. Free to use.
Key Features
Services Offered
┌─────────────────────────────────────────────────────────────────┐
│ Nostrcheck Services │
├─────────────────────────────────────────────────────────────────┤
│ │
│ NIP-05 Verification │
│ └── Map public keys to human-readable identifiers │
│ alice@nostrcheck.me → npub1abc... │
│ │
│ File Hosting │
│ └── Upload images, videos via NIP-94/96 │
│ └── Blossom protocol support │
│ │
│ Relay Service │
│ └── Nostr relay infrastructure │
│ │
│ Lightning Redirects │
│ └── Lightning address routing │
│ │
│ Nostr Wallet Connect │
│ └── NWC integration via LNbits │
│ │
└─────────────────────────────────────────────────────────────────┘
NIP-05 Verification
Human-readable Nostr identifiers:
alice@nostrcheck.me
This maps to your public key and provides:
- Easier sharing of identity
- Verification display in clients
- Relay hints for discovery
File Hosting
| Protocol | Description |
|---|---|
| NIP-94 | File metadata |
| NIP-96 | HTTP file storage |
| Blossom | Decentralized media |
Validation Tools
- NIP-05 checker
- DNS validation
- Verification testing
Usage
Get NIP-05 Identifier
- Visit nostrcheck.me
- Connect with your Nostr key
- Choose your username
- Add to your profile
Upload Files
- Authenticate with Nostr
- Upload via web interface or API
- Get permanent URL
- Use in posts
Technical Details
| Feature | Implementation |
|---|---|
| Auth | Nostr-based |
| Storage | NIP-94/96, Blossom |
| Lightning | LNbits integration |
| API | CORS-compliant |
| Format | JSON |
Comparison
| Feature | Nostrcheck | Nostr.build |
|---|---|---|
| NIP-05 | Yes | No |
| File hosting | Yes | Yes |
| Relay | Yes | No |
| Lightning | Yes | No |
| Free | Yes | Yes (limited) |
Links
- Website: nostrcheck.me
- GitHub: quentintaranpino/nostrcheck-server
See Also
- Nostr Protocol — The protocol
- Nostr.build — Media hosting
- Blossom — Decentralized media