---
title: "Generate signed input"
method: POST
path: "/v0.1/signature/input"
tags: ["Signature operations"]
---

# Generate signed input

`POST /v0.1/signature/input`

Generate input string to sign operation

## Request body

- SignatureInputForm — Form contains required data to generate input message for signing. All fields should be specified in 'native' manner, i.e. without BLOCKCHAIN prefixes
  - `blockchain` 'APTOS' | 'ETHEREUM' | 'POLYGON' | 'FLOW' | 'SOLANA' | 'IMMUTABLEX' | 'MANTLE' | 'ARBITRUM' | 'CHILIZ' | 'LIGHTLINK' | 'ZKSYNC' | 'ASTARZKEVM' | 'BASE' | 'RARI' | 'CELO' | 'FIEF' | 'XAI' | 'KROMA' | 'ZKLINK' | 'OASYS' | 'QUAI' | 'ECLIPSE' | 'SAAKURU' | 'OASIS' | 'PALM' | 'MATCH' | 'FIVIRE' | 'SEI' | 'CAMP' | 'LISK' | 'MOONBEAM' | 'ETHERLINK' | 'ZKCANDY' | 'ALEPHZERO' | 'BERACHAIN' | 'ABSTRACT' | 'SHAPE' | 'TELOS' | 'HEDERAEVM' | 'VICTION' | 'SETTLUS' | 'GOAT' | 'HYPEREVM' | 'CROSSFI' | 'MEGAETH' | 'MEGAETHTESTNET' | 'BASECAMP' | 'BASECAMPTESTNET' | 'SOMNIA', required
  - `@type` 'OPEN_SEA_ORDER_FILL'
  - `signature` string — SeaPort order hash in 'native' format

## Response `200`

OK

- SignatureInput
  - `input` string, required

## Other responses

- `400` — Bad Request
- `500` — Internal Server Error

---

[API](https://skmtc.net/rarible/apis/openapi-definition.md) · [All operations](https://skmtc.net/rarible/apis/openapi-definition/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/rarible/openapi-definition/revisions/5d2651b9411d/schema)