Sign

Request message signing (custody-based with callback)

curl --request POST \
  --url https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "SGVsbG8gV29ybGQh",
  "address": "0x...",
  "callbackUrl": "https://example.com/callback",
  "chainId": 1
}
'

import requests

url = "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs"

payload = {
    "message": "SGVsbG8gV29ybGQh",
    "address": "0x...",
    "callbackUrl": "https://example.com/callback",
    "chainId": 1
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    message: 'SGVsbG8gV29ybGQh',
    address: '0x...',
    callbackUrl: 'https://example.com/callback',
    chainId: 1
  })
};

fetch('https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'message' => 'SGVsbG8gV29ybGQh',
    'address' => '0x...',
    'callbackUrl' => 'https://example.com/callback',
    'chainId' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs"

	payload := strings.NewReader("{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}"

response = http.request(request)
puts response.read_body

{
  "requestId": "a1b2c3d4-e5f6-7890-1234-567890abcdef"
}

{
  "error": "Invalid address"
}

POST

signs

Request message signing (custody-based with callback)

curl --request POST \
  --url https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "SGVsbG8gV29ybGQh",
  "address": "0x...",
  "callbackUrl": "https://example.com/callback",
  "chainId": 1
}
'

import requests

url = "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs"

payload = {
    "message": "SGVsbG8gV29ybGQh",
    "address": "0x...",
    "callbackUrl": "https://example.com/callback",
    "chainId": 1
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    message: 'SGVsbG8gV29ybGQh',
    address: '0x...',
    callbackUrl: 'https://example.com/callback',
    chainId: 1
  })
};

fetch('https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'message' => 'SGVsbG8gV29ybGQh',
    'address' => '0x...',
    'callbackUrl' => 'https://example.com/callback',
    'chainId' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs"

	payload := strings.NewReader("{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://omnisafe.sandbox.ecrop.de/omni-safe/v1/signs")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"message\": \"SGVsbG8gV29ybGQh\",\n  \"address\": \"0x...\",\n  \"callbackUrl\": \"https://example.com/callback\",\n  \"chainId\": 1\n}"

response = http.request(request)
puts response.read_body

{
  "requestId": "a1b2c3d4-e5f6-7890-1234-567890abcdef"
}

{
  "error": "Invalid address"
}

Authorizations

Authorization

string

header

required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

message

string

The message (Base64 encoded).

Example:

"SGVsbG8gV29ybGQh"

address

string

The user's wallet address.

Example:

"0x..."

callbackUrl

string

URL to receive the signing result via webhook.

Example:

"https://example.com/callback"

chainId

integer

Ethereum chain ID (EIP-155).

Example:

1

Response

Signing request accepted.

requestId

string

Unique ID of the signing request.

Example:

"a1b2c3d4-e5f6-7890-1234-567890abcdef"

OmniSafe product overview

Security

Integration

Authentication

Wallet Management

Token Management

Transfer Management

Signature Management

Authorizations

Body

Response