---
title: "Get Flow Contracts"
method: GET
path: "/api/flow/contracts"
tags: ["Options Flow"]
---

# Get Flow Contracts

`GET /api/flow/contracts`

## Request

- Base URL: `https://api.zerogex.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.zerogex.io/api/flow/contracts`
- Auth: HTTP bearer

Distinct strikes and expirations that traded in the resolved session.

Powers the Strike / Expiration filter chips on the Flow Analysis page.
Companion to ``/api/flow/series``: same session resolution, same 404
semantics for unknown symbols.

## Query parameters

- `symbol` string, required
- `session` 'current' | 'prior'
- `date` string, nullable: An explicit ET trading day, YYYY-MM-DD. Overrides `session`. `/api/flow/sessions` lists the days that have data.

## Response `200`

Successful Response

- FlowContractsResponse: Distinct strikes and expirations that traded in the resolved session.
  - `strikes` number[], required
  - `expirations` string[], required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/zerogex/apis/zerogex-api.md) · [All operations](https://skmtc.dev/zerogex/apis/zerogex-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zerogex/apis/zerogex-api/revisions/753b26bf0592?raw)