---
title: "Add session details to account"
method: POST
path: "/account/{address}/session"
tags: ["Accounts"]
---

# Add session details to account

`POST /account/{address}/session`

Add session details (chain IDs, session digests, and signature) to an existing account

## Path parameters

- `address` string, required — Ethereum address (0x followed by 40 hex characters)

## Headers

- `x-api-key` string, required — API key for authentication
- `x-api-version` string — API version identifier (e.g. "2026-04.amazon"). Optional today, will become required in a future release.

## Request body

- SessionRequestBody
  - `sessionDetails` EnableSessionDetails, required
    - `hashesAndChainIds` object[], required
      - `chainId` integer, required — Positive integer
      - `sessionDigest` string, required — Hex-encoded string (0x followed by hex characters)
    - `signature` string, required — Hex-encoded string (0x followed by hex characters)

## Response `200`

Session added successfully

- SessionResponse
  - `message` string, required

## Other responses

- `400` — Invalid request or account not registered
- `403` — Unauthorized - API key does not belong to the client that registered the account

---

[API](https://skmtc.net/rhinestonewtf/apis/deposit-service-api.md) · [All operations](https://skmtc.net/rhinestonewtf/apis/deposit-service-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/rhinestonewtf/deposit-service-api/versions/ce4e0abfe33a/schema)