FIXSIM

FIXSIM Executions Out API

The ExecutionsOut API from FIXSIM — 5 operation(s) for executionsout.

Documentation GitHub OpenAPI

Operations 5

GET /v1/ExecutionsOut/{instance} Get executions out by instance #

GET /v1/ExecutionsOut/{instance}/{session} Get the Executions that were sent from FIXSIM for a FIX Session #

GET /v1/ExecutionsOut/{instance}/{session}/{clordid} Get the Executions that were sent from FIXSIM for a specified Order #

DELETE /v1/ExecutionsOut/{instance}/{session}/{execid} Have FIXSIM send a Cancel ("Bust") of an execution #

POST /v1/ExecutionsOutCorrect/{instance}/{session}/{execid} Have FIXSIM send a Execution Correction (FIX 4.2 ExecTransType = 2 / FIX 4.4… #

Specifications

⚙

OpenAPI

https://artifacts.apis.io/fixsim-com/openapi/fixsim-com-executionsout-api-openapi.yml

Schemas & Data

📊

JSONSchema

https://artifacts.apis.io/fixsim-com/json-schema/fixsim-com-executions-out-schema.json

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/fixsim-com:fixsim-com-executionsout-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Fixsim Com Executions Out API
  version: v1
  description: 'Operations tagged ExecutionsOut across 2 of this provider''s published API definitions: fixsim-com-openapi.json, portal.fixsim.com.swagger.json. Each path carries the servers of the definition it was published in.'
security:
- ApiKey: []
tags:
- name: ExecutionsOut
paths:
  /v1/ExecutionsOut/{instance}:
    get:
      tags:
      - ExecutionsOut
      parameters:
      - name: instance
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            text/plain:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            text/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
      summary: Get executions out by instance
      x-summary-source: derived
      operationId: getV1ExecutionsOutByInstance
      x-operation-id-source: derived
  /v1/ExecutionsOut/{instance}/{session}:
    get:
      tags:
      - ExecutionsOut
      summary: Get the Executions that were sent from FIXSIM for a FIX Session
      parameters:
      - name: instance
        in: path
        description: FIXSIM Instance
        required: true
        schema:
          type: string
      - name: session
        in: path
        description: FIXSIM target FIX session name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Ok
          content:
            text/plain:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            text/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
      operationId: getV1ExecutionsOutByInstanceBySession
      x-operation-id-source: derived
  /v1/ExecutionsOut/{instance}/{session}/{clordid}:
    get:
      tags:
      - ExecutionsOut
      summary: Get the Executions that were sent from FIXSIM for a specified Order
      parameters:
      - name: instance
        in: path
        description: FIXSIM Instance
        required: true
        schema:
          type: string
      - name: session
        in: path
        description: FIXSIM target FIX session name
        required: true
        schema:
          type: string
      - name: clordid
        in: path
        description: Target ClOrdId (11)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Ok
          content:
            text/plain:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
            text/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ExecutionsOut'
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
      operationId: getV1ExecutionsOutByInstanceBySessionByClordid
      x-operation-id-source: derived
  /v1/ExecutionsOut/{instance}/{session}/{execid}:
    delete:
      tags:
      - ExecutionsOut
      summary: Have FIXSIM send a Cancel ("Bust") of an execution
      parameters:
      - name: instance
        in: path
        description: FIXSIM Instance
        required: true
        schema:
          type: string
      - name: session
        in: path
        description: FIXSIM target FIX session name
        required: true
        schema:
          type: string
      - name: execid
        in: path
        description: Target ExecutionId (17)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
        '204':
          description: No Content - Execution successfully busted.
        '400':
          description: Bad request
        '500':
          description: Internal Server Error
      operationId: deleteV1ExecutionsOutByInstanceBySessionByExecid
      x-operation-id-source: derived
  /v1/ExecutionsOutCorrect/{instance}/{session}/{execid}:
    post:
      tags:
      - ExecutionsOut
      summary: Have FIXSIM send a Execution Correction (FIX 4.2 ExecTransType = 2 / FIX 4.4…
      parameters:
      - name: instance
        in: path
        description: ''
        required: true
        schema:
          type: string
      - name: session
        in: path
        description: ''
        required: true
        schema:
          type: string
      - name: execid
        in: path
        description: ''
        required: true
        schema:
          type: string
      - name: lastquantity
        in: query
        description: ''
        schema:
          type: number
          format: double
      - name: lastpx
        in: query
        description: ''
        schema:
          type: number
          format: double
      responses:
        '200':
          description: OK
        '202':
          description: Accepted
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
      operationId: postV1ExecutionsOutCorrectByInstanceBySessionByExecid
      x-operation-id-source: derived
components:
  schemas:
    ExecutionsOut:
      type: object
      properties:
        id:
          type: integer
          format: int32
        symbol:
          type:
          - string
          - 'null'
        side:
          type:
          - string
          - 'null'
        execId:
          type:
          - string
          - 'null'
        clOrdId:
          type:
          - string
          - 'null'
        createTime:
          type: string
          format: date-time
        lastModified:
          type: string
          format: date-time
        fixMessage:
          type:
          - string
          - 'null'
        instance:
          type:
          - string
          - 'null'
        session:
          type:
          - string
          - 'null'
        senderComp:
          type:
          - string
          - 'null'
        targetComp:
          type:
          - string
          - 'null'
        orderId:
          type:
          - string
          - 'null'
        execTransType:
          type:
          - string
          - 'null'
        execType:
          type:
          - string
          - 'null'
        orderStatus:
          type:
          - string
          - 'null'
        securityID:
          type:
          - string
          - 'null'
        securityIDSource:
          type:
          - string
          - 'null'
        leaves:
          type:
          - number
          - 'null'
          format: double
        cumQty:
          type:
          - number
          - 'null'
          format: double
        lastPrice:
          type:
          - number
          - 'null'
          format: double
        lastShares:
          type:
          - number
          - 'null'
          format: double
        avgPx:
          type:
          - number
          - 'null'
          format: double
        limit:
          type:
          - number
          - 'null'
          format: double
        orderType:
          type:
          - string
          - 'null'
        dontKnow:
          $ref: '#/components/schemas/DontKnow'
      additionalProperties: false
    DontKnow:
      type: object
      properties:
        reason:
          type:
          - string
          - 'null'
          description: FIX tag 127 (DKReason) — single-char code (A/B/C/D/E/F/Z).
        receivedTime:
          type: string
          description: When the DontKnowTrade was received by FIXSIM.
          format: date-time
        text:
          type:
          - string
          - 'null'
          description: FIX tag 58 (Text) free-form description from the counterparty.
        fixMessage:
          type:
          - string
          - 'null'
          description: Raw FIX bytes of the inbound DontKnowTrade for audit / dispute resolution.
      additionalProperties: false
      description: 'DontKnowTrade (FIX msgtype 35=Q) capture for an outbound ExecutionReport

        that the counterparty rejected. Surfaced as a nested object on

        FIXSimWeb.Models.API.ExecutionsOut; the parent omits the property entirely when

        no DK has been received, so legacy clients see byte-identical responses

        for the no-DK case.'
  securitySchemes:
    ApiKey:
      type: apiKey
      description: API Key Authentication
      name: apiKey
      in: header
x-refined-from:
- fixsim-com-openapi.json
- portal.fixsim.com.swagger.json