CANTU Buyer Demand Search — Paid machine-readable search for current buyer demand and proc
CANTU Buyer Demand Search — Paid machine-readable search for current buyer demand and procurement opportunities; also verifies a specific official notice ID or URL.
100000 (raw units)
price
2
calls / 30d
1
unique payers
2026-09-03
updated
Provider
cantu-radar-flow.base44.app · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x43988aa17c017677a1508b5232aad038e482e638",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "100000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"query": "industrial fasteners"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"query": "industrial fasteners",
"result_count": 1,
"results": [
{
"actionability_explanation": "Evidence-based score.",
"actionability_score": 0,
"buyer": "Official buyer",
"confidence": 0,
"contact": null,
"deadline": null,
"description": null,
"evidence": "SAM.gov lists an active opportunity.",
"naics": null,
"nsn_or_part_number": null,
"psc": null,
"quantity": null,
"requirement": "Industrial fasteners",
"restrictions": null,
"solicitation_number": "EXAMPLE",
"source_url": "https://sam.gov/"
}
],
"searched_at": "2026-09-03T00:00:00.000Z",
"service": "CANTU Buyer Demand Search"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"anyOf": [
{
"required": [
"query"
]
},
{
"required": [
"notice_id"
]
},
{
"required": [
"url"
]
}
],
"properties": {
"notice_id": {
"description": "Official procurement notice or solicitation identifier",
"type": "string"
},
"query": {
"description": "Topic to search in current SAM.gov opportunity titles",
"maxLength": 120,
"minLength": 2,
"type": "string"
},
"url": {
"description": "Public HTTPS URL for an official procurement notice",
"format": "uri",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"query": {
"type": "string"
},
"result_count": {
"type": "integer"
},
"results": {
"items": {
"properties": {
"actionability_explanation": {
"type": "string"
},
"actionability_score": {
"type": "integer"
},
"buyer": {
"type": [
"string",
"null"
]
},
"confidence": {
"type": "integer"
},
"contact": {
"type": [
"string",
"null"
]
},
"deadline": {
"type": [
"string",
"null"
]
},
"description": {
"type": [
"string",
"null"
]
},
"evidence": {
"type": [
"string",
"null"
]
},
"naics": {
"type": [
"string",
"null"
]
},
"nsn_or_part_number": {
"type": [
"string",
"null"
]
},
"psc": {
"type": [
"string",
"null"
]
},
"quantity": {
"type": [
"string",
"null"
]
},
"requirement": {
"type": "string"
},
"restrictions": {
"type": [
"string",
"null"
]
},
"solicitation_number": {
"type": [
"string",
"null"
]
},
"source_url": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"maxItems": 10,
"type": "array"
},
"searched_at": {
"format": "date-time",
"type": "string"
},
"service": {
"type": "string"
}
},
"required": [
"service",
"query",
"result_count",
"searched_at",
"results"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
}Use it
curl
curl "https://cantu-radar-flow.base44.app/functions/cantuVerifyX402" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://cantu-radar-flow.base44.app/functions/cantuVerifyX402");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://cantu-radar-flow.base44.app/functions/cantuVerifyX402")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13320.json, and this resource appears in /discovery/resources and /discovery/search.