---
title: "Create a bridge session"
method: POST
path: "/adapters/bridge/sessions"
tags: ["Adapters"]
---

# Create a bridge session

`POST /adapters/bridge/sessions`

## Headers

- `X-Steward-Request-Timestamp` string
- `X-Steward-Request-Expires-At` string
- `X-Steward-Signature` string
- `X-Steward-Signing-Key-Id` string
- `Idempotency-Key` string

## Request body

- object
  - `userId` string
  - `quote` object, required
    - `provider` string, required
    - `quoteId` string, required
    - `fromChainId` integer, required
    - `toChainId` integer, required
    - `fromToken` object
      - `address` string, required
      - `symbol` string
      - `decimals` integer
    - `toToken` object
      - `address` string, required
      - `symbol` string
      - `decimals` integer
    - `amountIn` string, required
    - `amountOut` string, required
    - `minAmountOut` string
    - `feeAmount` string
    - `recipient` string
    - `route` object[]
    - `slippageBps` integer
    - `expiresAt` integer
    - `direction` string
    - `executionMode` 'unsigned-transaction' | 'external-handoff'
    - `handoffUrl` string, uri
    - `feeBps` integer
    - `feeScope` 'final' | 'global-estimate' | 'not-applicable'
    - `feeObservedSlot` integer
    - `feeObservedAt` integer
    - `notices` string[]

## Response `201`

JSON response

- object
  - `ok` true, required
  - `data` object, required
    - `session` object
      - `id` string, required
      - `provider` string, required
      - `quoteId` string, required
      - `status` string, required
      - `fromChainId` integer
      - `toChainId` integer
      - `recipient` string
      - `createdAt` integer
      - `direction` string
      - `executionMode` 'unsigned-transaction' | 'external-handoff'
      - `handoffUrl` string, uri
      - `recipientSensitive` boolean
      - `notices` string[]
      - `expiresAt` integer

## Other responses

- `400` — JSON response
- `401` — JSON response
- `403` — JSON response
- `404` — JSON response
- `408` — JSON response
- `409` — JSON response

## Changes

- **2026-08-17** `261a7c8070b2` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/steward-fi/apis/steward-api/changes/adapters/bridge/sessions/post.md)

---

[API](https://skmtc.dev/steward-fi/apis/steward-api.md) · [All operations](https://skmtc.dev/steward-fi/apis/steward-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/steward-fi/steward-api/revisions/b88b4b97a664/schema)