---
title: "Submit a free-form market proposal (Lane C)"
method: POST
path: "/v1/composer/proposals"
tags: ["Composer"]
---

# Submit a free-form market proposal (Lane C)

`POST /v1/composer/proposals`

## Request

- Base URL: `https://api.predictasiax.com`
- URL: `https://api.predictasiax.com/v1/composer/proposals`
- Auth: HTTP bearer

## Headers

- `Idempotency-Key` string

## Response `200`

OK

---

[API](https://skmtc.dev/predictasiax/apis/predictasiax-network-api.md) · [All operations](https://skmtc.dev/predictasiax/apis/predictasiax-network-api/llms.txt) · [OpenAPI document](https://skmtc.dev/predictasiax/apis/predictasiax-network-api/revisions/c2ed1a03ce79?raw)