---
title: "Changes to Build cross-chain mint transactions for a drop"
method: POST
path: "/api/v2/drops/{slug}/cross_chain_mint"
---

# Changes to Build cross-chain mint transactions for a drop

`POST /api/v2/drops/{slug}/cross_chain_mint`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `2c7935d84f90`: 10 breaking, 9 info

## Changes

- **2026-11-03** `2c7935d84f90`: 10 breaking, 9 info
  - the response property `receipt_request/relay_request_id` became nullable for the status `200`
  - the response property `receipt_request/request_id` became nullable for the status `200`
  - the response property `receipt_request/swap_quote/from_assets/items/token_id` became nullable for the status `200`
  - the response property `receipt_request/swap_quote/to_assets` became nullable for the status `200`
  - the response property `receipt_request/swap_quote/to_assets/items/token_id` became nullable for the status `200`
  - the response property `receipt_request/transaction_identifiers` became nullable for the status `200`
  - the response property `receipt_request/transaction_identifiers/items/swap_provider` became nullable for the status `200`
  - the response property `transactions/items/to` became nullable for the status `200`
  - the response property `transactions/items/value` became nullable for the status `200`
  - the response property `transactions/items/value_hex` became nullable for the status `200`
  - added the non-success response with the status `503`
  - added the optional property `code` to the response with the `400` status
  - added the optional property `code` to the response with the `401` status
  - added the optional property `code` to the response with the `403` status
  - added the optional property `code` to the response with the `404` status
  - added the optional property `code` to the response with the `409` status
  - added the optional property `code` to the response with the `422` status
  - added the optional property `transactions/items/gas_limit` to the response with the `200` status
  - added the optional property `transactions/items/svm` to the response with the `200` status

---

[Operation](https://skmtc.dev/opensea/apis/opensea-api/docs/api/v2/drops/:slug/cross_chain_mint/post.md) - [API](https://skmtc.dev/opensea/apis/opensea-api.md) - [Page](https://skmtc.dev/opensea/apis/opensea-api/changes/api/v2/drops/:slug/cross_chain_mint/post)