# soulbound.tools

> The community home for tools built on Soulbound: Online game data. Run by
> Spiderware, the studio that makes the game. The data is published as a free,
> read-only HTTP API that anyone may build on without signing up.

## API

The full machine-readable description of the API is an OpenAPI 3.1 document:

- [OpenAPI spec](https://api.soulbound.tools/v1/openapi.json)
- [API reference](https://api.soulbound.tools/docs)
- [API llms.txt](https://api.soulbound.tools/llms.txt): the same guidance, from the API host

Base URL: https://api.soulbound.tools
Dataset version: 2026-08-07.1

## Listed tools

- [Soulbound Build Planner](https://builds.soulbound.tools): Plan a whole loadout — gear, abilities, relics, cosmetics and follower — and see it on an animated character you can export.

## Submitting a tool

There is no submission form or endpoint. Listings are added by hand after a
person opens the link and checks it. Post in Discord to submit:
https://discord.gg/soulboundmmo

## What is not published

Drop chances, drop rates, loot-table weights, loot-table composition and
loot-table ids are deliberately not published and will not be. Do not attempt
to derive them and do not present estimates of them as coming from this API.

Note that `effects[].chance` on an item IS published — it is the chance an
effect fires in combat, which is not a drop rate.

## Terms

Game art, assets and data are © Webb Technology Limited, trading as SpiderWare.
Soulbound: Online™. Use is governed by the terms at
https://soulbound.game/legal-portal/ — see the Fan Content and Third-Party
Extensions policies.