Sign Typed Data
curl --request POST \
--url https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data \
--header 'Content-Type: application/json' \
--header 'X-API-Key: <api-key>' \
--data '
{
"typedData": {
"domain": {
"name": "MyDApp",
"version": "1",
"chainId": 11155111,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"types": {
"Mail": [
{
"name": "from",
"type": "address"
},
{
"name": "to",
"type": "address"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"message": {
"from": "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
"to": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
"contents": "Hello, world!"
}
}
}
'import requests
url = "https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data"
payload = { "typedData": {
"domain": {
"name": "MyDApp",
"version": "1",
"chainId": 11155111,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"types": { "Mail": [
{
"name": "from",
"type": "address"
},
{
"name": "to",
"type": "address"
},
{
"name": "contents",
"type": "string"
}
] },
"primaryType": "Mail",
"message": {
"from": "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
"to": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
"contents": "Hello, world!"
}
} }
headers = {
"X-API-Key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
typedData: {
domain: {
name: 'MyDApp',
version: '1',
chainId: 11155111,
verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'
},
types: {
Mail: [
{name: 'from', type: 'address'},
{name: 'to', type: 'address'},
{name: 'contents', type: 'string'}
]
},
primaryType: 'Mail',
message: {
from: '0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B',
to: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
contents: 'Hello, world!'
}
}
})
};
fetch('https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data', 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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data",
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([
'typedData' => [
'domain' => [
'name' => 'MyDApp',
'version' => '1',
'chainId' => 11155111,
'verifyingContract' => '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'
],
'types' => [
'Mail' => [
[
'name' => 'from',
'type' => 'address'
],
[
'name' => 'to',
'type' => 'address'
],
[
'name' => 'contents',
'type' => 'string'
]
]
],
'primaryType' => 'Mail',
'message' => [
'from' => '0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B',
'to' => '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
'contents' => 'Hello, world!'
]
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-Key: <api-key>"
],
]);
$response = curl_exec($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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data"
payload := strings.NewReader("{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-Key", "<api-key>")
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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data")
.header("X-API-Key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}"
response = http.request(request)
puts response.read_body{
"signature": "a1b2c3d4e5f6..."
}Signing
Sign Typed Data
Signs EIP-712 typed structured data. Only supported for EVM wallets.
Computes the EIP-712 hash of the provided domain, types, and message, then
signs via MPC. The EIP712Domain type is handled automatically and should
be omitted from types.
POST
/
v1
/
wallets
/
{walletId}
/
sign-typed-data
Sign Typed Data
curl --request POST \
--url https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data \
--header 'Content-Type: application/json' \
--header 'X-API-Key: <api-key>' \
--data '
{
"typedData": {
"domain": {
"name": "MyDApp",
"version": "1",
"chainId": 11155111,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"types": {
"Mail": [
{
"name": "from",
"type": "address"
},
{
"name": "to",
"type": "address"
},
{
"name": "contents",
"type": "string"
}
]
},
"primaryType": "Mail",
"message": {
"from": "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
"to": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
"contents": "Hello, world!"
}
}
}
'import requests
url = "https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data"
payload = { "typedData": {
"domain": {
"name": "MyDApp",
"version": "1",
"chainId": 11155111,
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"types": { "Mail": [
{
"name": "from",
"type": "address"
},
{
"name": "to",
"type": "address"
},
{
"name": "contents",
"type": "string"
}
] },
"primaryType": "Mail",
"message": {
"from": "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
"to": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
"contents": "Hello, world!"
}
} }
headers = {
"X-API-Key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
typedData: {
domain: {
name: 'MyDApp',
version: '1',
chainId: 11155111,
verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'
},
types: {
Mail: [
{name: 'from', type: 'address'},
{name: 'to', type: 'address'},
{name: 'contents', type: 'string'}
]
},
primaryType: 'Mail',
message: {
from: '0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B',
to: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
contents: 'Hello, world!'
}
}
})
};
fetch('https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data', 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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data",
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([
'typedData' => [
'domain' => [
'name' => 'MyDApp',
'version' => '1',
'chainId' => 11155111,
'verifyingContract' => '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'
],
'types' => [
'Mail' => [
[
'name' => 'from',
'type' => 'address'
],
[
'name' => 'to',
'type' => 'address'
],
[
'name' => 'contents',
'type' => 'string'
]
]
],
'primaryType' => 'Mail',
'message' => [
'from' => '0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B',
'to' => '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
'contents' => 'Hello, world!'
]
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-Key: <api-key>"
],
]);
$response = curl_exec($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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data"
payload := strings.NewReader("{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-Key", "<api-key>")
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://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data")
.header("X-API-Key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"typedData\": {\n \"domain\": {\n \"name\": \"MyDApp\",\n \"version\": \"1\",\n \"chainId\": 11155111,\n \"verifyingContract\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\"\n },\n \"types\": {\n \"Mail\": [\n {\n \"name\": \"from\",\n \"type\": \"address\"\n },\n {\n \"name\": \"to\",\n \"type\": \"address\"\n },\n {\n \"name\": \"contents\",\n \"type\": \"string\"\n }\n ]\n },\n \"primaryType\": \"Mail\",\n \"message\": {\n \"from\": \"0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B\",\n \"to\": \"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC\",\n \"contents\": \"Hello, world!\"\n }\n }\n}"
response = http.request(request)
puts response.read_body{
"signature": "a1b2c3d4e5f6..."
}Authorizations
Your partner secret key (server-side only)
Headers
UUID for request tracing. Para returns one if omitted.
For sponsored transfers, use the durable behavior documented on POST /transfer.
Other POST endpoints use this key for safe retries. If a request with the same key
is received within 24 hours, the original response is returned without re-executing.
Recommended format: UUID v4. Max length 256 characters.
Returns 422 if the same key is reused with a different request body.
Returns 409 if a request with the same key is still being processed.
Replays return the original response, not the latest chain outcome. For a persisted broadcast,
use the returned transactionId with GET transaction history to track its current status.
Maximum string length:
256Path Parameters
Wallet UUID. A malformed or inaccessible wallet ID returns 404.
Example:
"0a1b2c3d-4e5f-6789-abcd-ef0123456789"
Body
application/json
Show child attributes
Show child attributes
Response
Signature
Hex-encoded signature without 0x prefix.
Example:
"a1b2c3d4e5f6..."