nevent Encoder

Build nevent identifiers from event id + optional TLV hints — 5 sats

About

Encode a canonical 64-character hex event id into a Nostr nevent1... identifier. Optional relay hints, author pubkey, and kind fields are encoded as TLV records for portable event references.

Try It

5 sats via L402.

Hex event id Relay hints (optional, comma-separated ws/wss URLs) Author pubkey (optional) Kind (optional uint32)

API Usage

curl -X POST https://maximumsats.com/api/nevent-encode \
  -H "Content-Type: application/json" \
  -d '{"event_id":"3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d","relays":["wss://relay.damus.io"],"author_pubkey":"32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245","kind":1}'

Sample Response

{
  "ok": true,
  "hex_event_id": "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d",
  "relays": ["wss://relay.damus.io/"],
  "hex_author_pubkey": "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245",
  "kind": 1,
  "nevent": "nevent1..."
}

Also available via MCP as nevent_encode at maximumsats.com/mcp