Neynar · Example Payload
Create X402 Signature
Create a signature for a given x402 resource using the specified wallet.
Onchain
Create X402 Signature is an example object payload from Neynar, with 9 top-level fields. It illustrates the shape of data this provider's APIs accept or return.
Top-level fields
operationIdmethodpathsummarydescriptiontagsparametersrequestBodyresponses
Example Payload
{
"operationId": "create-x402-signature",
"method": "POST",
"path": "/v2/signature/x402/",
"summary": "Create x402 signature",
"description": "Create a signature for a given x402 resource using the specified wallet.",
"tags": [
"Onchain"
],
"parameters": [
{
"name": "",
"in": "",
"required": false,
"description": ""
},
{
"name": "x-api-key",
"in": "header",
"required": true,
"description": "",
"schema": {
"type": "string"
}
}
],
"requestBody": {
"required": true,
"schema": {
"properties": {
"payment_requirements": {
"properties": {
"accepts": {
"items": {
"properties": {
"asset": {
"description": "Ethereum address",
"example": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
"pattern": "^0x[a-fA-F0-9]{40}$",
"title": "EthAddress",
"type": "string"
},
"description": {
"type": "string"
},
"extra": {
"additionalProperties": {},
"nullable": true,
"type": "object"
},
"maxAmountRequired": {
"type": "string"
},
"maxTimeoutSeconds": {
"type": "number"
},
"mimeType": {
"type": "string"
},
"network": {
"enum": [
"base",
"base-sepolia"
],
"type": "string"
},
"outputSchema": {
"additionalProperties": {},
"nullable": true,
"type": "object"
},
"payTo": {
"description": "Ethereum address",
"example": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
"pattern": "^0x[a-fA-F0-9]{40}$",
"title": "EthAddress",
"type": "string"
},
"resource": {
"format": "uri",
"type": "string"
},
"scheme": {
"enum": [
"exact"
],
"type": "string"
}
},
"required": [
"scheme",
"network",
"maxAmountRequired",
"asset",
"payTo",
"resource",
"description",
"maxTimeoutSeconds"
],
"type": "object"
},
"minItems": 1,
"type": "array"
},
"x402Version": {
"anyOf": [
{
"enum": [
1
],
"type": "number"
},
{
"enum": [
2
],
"type": "number"
}
]
}
},
"required": [
"x402Version",
"accepts"
],
"type": "object"
}
},
"required": [
"payment_requirements"
],
"type": "object"
},
"example": null
},
"responses": {
"200": {
"description": "Success",
"schema": {
"properties": {
"network": {
"enum": [
"base",
"base-sepolia"
],
"type": "string"
},
"payload": {
"properties": {
"authorization": {
"properties": {
"from": {
"$ref": "#/components/schemas/EthAddress"
},
"nonce": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
},
"to": {
"$ref": "#/components/schemas/EthAddress"
},
"validAfter": {
"type": "string"
},
"validBefore": {
"type": "string"
},
"value": {
"type": "string"
}
},
"required": [
"from",
"to",
"value",
"validAfter",
"validBefore",
"nonce"
],
"type": "object"
},
"signature": {
"pattern": "^0x[a-fA-F0-9]{130}$",
"type": "string"
}
},
"required": [
"signature",
"authorization"
],
"type": "object"
},
"scheme": {
"enum": [
"exact"
],
"type": "string"
},
"x402Version": {
"anyOf": [
{
"enum": [
1
],
"type": "number"
},
{
"enum": [
2
],
"type": "number"
}
]
}
},
"required": [
"x402Version",
"scheme",
"network",
"payload"
],
"type": "object"
},
"example": null
},
"400": {
"description": "Bad Request",
"schema": {
"$ref": "#/components/schemas/ErrorRes"
},
"example": null
},
"401": {
"description": "Unauthorized",
"schema": {
"$ref": "#/components/schemas/ErrorRes"
},
"example": null
},
"403": {
"description": "Forbidden",
"schema": {
"$ref": "#/components/schemas/ErrorRes"
},
"example": null
},
"500": {
"description": "Server Error",
"schema": {
"$ref": "#/components/schemas/ErrorRes"
},
"example": null
}
}
}