# blaastr

> Nostr relay blaster: add one write relay and every event you sign goes to every online nostr relay.

- Website: https://blaastr.com
- AZN8 listing: https://azn8.com/listing/blaastr
- Pricing: 21,000 sats a year · Subscription
- Categories: [Developer tools](https://azn8.com/category/developer-tools), [SaaS](https://azn8.com/category/saas)
- Listed: 2026-10-25
- Updated: 2026-10-25
- JSON: https://azn8.com/api/v1/listings/blaastr

## About

blaastr is a hosted nostr relay blaster. Add wss://blaastr.com to your nostr client's relay list next to your usual relays. Every note you sign is published to hundreds of relays, plus your own write relays and the inboxes of the people you reply to, so it is seen wherever people read.

How it works: the signature is verified and your subscription looked up, then the event goes to every active relay on the live list and to the write relays in your NIP-65 list. Replies, mentions, reactions, reposts, zaps and DMs also go to the read relays of the people they are for. Relays that refuse or cannot be reached are skipped and standby relays take their place. Your dashboard shows each relay's answer, and you can send any note again later.

The subscription belongs to your pubkey and is paid yearly over lightning, with no account and no email. Anyone can pay for any npub. Developers can publish over the websocket or plain HTTP and look up any pubkey's subscription from a backend or the browser.

## Features

- One write relay publishes your events to hundreds of nostr relays
- Also sends to your NIP-65 write relays and recipients' inboxes
- Paid yearly over lightning, no account or email needed
- Dashboard shows every relay's answer, and any note can be sent again
- Standby relays replace ones that refuse or are offline
- Publish over websocket or plain HTTP, events up to 1 MB

[Visit blaastr](https://blaastr.com)