---
title: "Changes to Supported chains and tokens"
method: GET
path: "/chains"
---

# Changes to Supported chains and tokens

`GET /chains`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 17 revisions.

- **2026-06-25** `3656a04f8c42`: 3 breaking, 4 info
- **2026-05-08** `618cc05f65ca`: 1 info
- **2026-03-09** `2ac6a126892a`: 3 breaking, 1 info
- **2026-02-20** `bba71848b93a`: 1 breaking
- **2026-02-20** `d812d9a0631e`: 1 info
- **2026-01-12** `e286a9bef614`: 1 warning, 1 info
- **2025-12-12** `4b8579036470`: 1 info

## Changes

- **2026-06-25** `3656a04f8c42`: 3 breaking, 4 info
  - the `x-api-version` request header's property undefined was restricted to a list of enum values
  - the `header` request parameter `x-api-version` was restricted to a list of enum values
  - the `header` request parameter `x-api-version` became required
  - api operation id `listChains` was added
  - added the new enum value `2026-01.alps` to the `header` request parameter `x-api-version`
  - removed the pattern `^\d{4}-\d{2}\.[a-z0-9]+$` from the `header` request parameter `x-api-version`
  - added the non-success response with the status `400`
- **2026-05-08** `618cc05f65ca`: 1 info
  - added the new optional `header` request parameter `x-api-version`
- **2026-03-09** `2ac6a126892a`: 3 breaking, 1 info
  - response property `additionalProperties/supportedTokens` list-of-types was widened by adding types `string` to media type `application/json` of response `200`
  - removed the required property `additionalProperties/settlementLayers` from the response with the `200` status
  - removed the required property `additionalProperties/supportsSwaps` from the response with the `200` status
  - added the required property `additionalProperties/testnet` to the response with the `200` status
- **2026-02-20** `bba71848b93a`: 1 breaking
  - removed the required property `additionalProperties/testnet` from the response with the `200` status
- **2026-02-20** `d812d9a0631e`: 1 info
  - added the required property `additionalProperties/testnet` to the response with the `200` status
- **2026-01-12** `e286a9bef614`: 1 warning, 1 info
  - added the new `OFT` enum value to the `additionalProperties/settlementLayers/items/` response property for the response status `200`
  - added the required property `additionalProperties/supportsSwaps` to the response with the `200` status
- **2025-12-12** `4b8579036470`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/rhinestonewtf/apis/rhinestone-orchestrator-api/docs/chains/get.md) - [API](https://skmtc.dev/rhinestonewtf/apis/rhinestone-orchestrator-api.md) - [Page](https://skmtc.dev/rhinestonewtf/apis/rhinestone-orchestrator-api/changes/chains/get)