> ## Documentation Index
> Fetch the complete documentation index at: https://docs.simmer.markets/llms.txt
> Use this file to discover all available pages before exploring further.

# Kalshi Submit

> Submit a pre-signed Kalshi transaction from BYOW wallet.

Flow: Client called /quote, signed locally, now submits the signed tx.
Server broadcasts to Solana RPC and records the trade.



## OpenAPI

````yaml /openapi.json post /api/sdk/trade/kalshi/submit
openapi: 3.1.0
info:
  title: Simmer API
  description: Agent-native trading infrastructure for prediction markets.
  version: 1.0.0
servers:
  - url: https://api.simmer.markets
security: []
paths:
  /api/sdk/trade/kalshi/submit:
    post:
      summary: Kalshi Submit
      description: |-
        Submit a pre-signed Kalshi transaction from BYOW wallet.

        Flow: Client called /quote, signed locally, now submits the signed tx.
        Server broadcasts to Solana RPC and records the trade.
      operationId: api_sdk_kalshi_submit_api_sdk_trade_kalshi_submit_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/KalshiSubmitRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    KalshiSubmitRequest:
      properties:
        market_id:
          type: string
          title: Market Id
        side:
          type: string
          title: Side
        action:
          type: string
          title: Action
          default: buy
        signed_transaction:
          type: string
          title: Signed Transaction
        quote_id:
          anyOf:
            - type: string
            - type: 'null'
          title: Quote Id
        reasoning:
          anyOf:
            - type: string
            - type: 'null'
          title: Reasoning
        source:
          anyOf:
            - type: string
            - type: 'null'
          title: Source
        skill_slug:
          anyOf:
            - type: string
            - type: 'null'
          title: Skill Slug
      type: object
      required:
        - market_id
        - side
        - signed_transaction
      title: KalshiSubmitRequest
      description: Request to submit pre-signed Kalshi transaction.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError

````