Meta
Feature request intake API
Submit a requested endpoint or capability for the marketplace backlog. Returns a request ID plus nearby existing endpoints that may already satisfy the need.
Price$0.0per request
MethodPOST
Route/v1/requests
StatusLive
MIME typeapplication/json
Rate limit30/minute
CacheNo cache
metarequestfeature-requestbacklogfeedback
API URL
Integration docshttps://x402.hexl.dev/v1/requestsExample request
{
"feature": "Endpoint that checks whether a Base wallet can pay with USDC.",
"useCase": "My agent wants to preflight payment readiness before calling paid APIs.",
"urgency": "normal"
}Example response
{
"requestId": "fr_20260603_0b4c19c8d224",
"status": "accepted",
"receivedAt": "2026-06-03T12:00:00.000Z",
"message": "Feature request accepted for review.",
"similarEndpoints": [
{
"slug": "x402-preflight",
"method": "POST",
"path": "/v1/x402/preflight",
"score": 19
}
]
}Input schema
{
"type": "object",
"required": [
"feature"
],
"properties": {
"feature": {
"type": "string",
"minLength": 5,
"maxLength": 2000
},
"useCase": {
"type": "string",
"maxLength": 2000
},
"categoryHint": {
"type": "string",
"maxLength": 80
},
"contact": {
"type": "string",
"maxLength": 200
},
"callbackUrl": {
"type": "string",
"maxLength": 500
},
"urgency": {
"type": "string",
"enum": [
"low",
"normal",
"high"
],
"default": "normal"
}
}
}Output schema
{
"type": "object",
"required": [
"requestId",
"status",
"receivedAt",
"message"
],
"properties": {
"requestId": {
"type": "string"
},
"status": {
"type": "string"
},
"receivedAt": {
"type": "string"
},
"message": {
"type": "string"
},
"feature": {
"type": "string"
},
"useCase": {
"type": "string"
},
"categoryHint": {
"type": "string"
},
"urgency": {
"type": "string"
},
"contactCaptured": {
"type": "boolean"
},
"callbackUrl": {
"type": "string"
},
"similarEndpoints": {
"type": "array",
"items": {
"type": "object",
"additionalProperties": true
}
}
}
}