Call when an agent needs lightweight stack hints from response headers + HTML (generato…
Call when an agent needs lightweight stack hints from response headers + HTML (generator, x-powered-by, fingerprints, analytics booleans). No browser. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/tech-hints first.
by agentshelf.syntexa.ch · discovered, not yet claimed by its owner · updated 2026-09-22
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
Call when an agent needs lightweight stack hints from response headers + HTML (generator, x-powered-by, fingerprints, analytics booleans). No browser. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/tech-hints first.
Tags: bazaar
Call contract
- Method
- POST
- Input
- json
- Output
- json
- Last paid call
- 2026-09-22
{
"url": "https://example.com/"
}{
"analytics": {
"google_analytics": false,
"google_tag_manager": false,
"meta_pixel": false
},
"billed": true,
"final_url": "https://example.com/",
"frameworks": {
"cloudflare": false,
"nextjs": false,
"react": false,
"shopify": false,
"vercel": false,
"wordpress": true
},
"generator": "WordPress 6.6",
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"server": "nginx",
"status": 200,
"warnings": [],
"x_powered_by": "Express"
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/56735.jsonfor the price and payment options. - Pay. Call
GET https://agentshelf.syntexa.ch/v1/tech-hints. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.008 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base
- Demand
- 1 calls · 1 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.008 | 0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38 | 60s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "8000",
"amountUsd": 0.008,
"maxTimeoutSeconds": 60
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"analytics": {
"additionalProperties": false,
"properties": {
"google_analytics": {
"type": "boolean"
},
"google_tag_manager": {
"type": "boolean"
},
"meta_pixel": {
"type": "boolean"
}
},
"required": [
"google_analytics",
"google_tag_manager",
"meta_pixel"
],
"type": "object"
},
"billed": {
"type": "boolean"
},
"final_url": {
"type": "string"
},
"frameworks": {
"additionalProperties": false,
"properties": {
"cloudflare": {
"type": "boolean"
},
"nextjs": {
"type": "boolean"
},
"react": {
"type": "boolean"
},
"shopify": {
"type": "boolean"
},
"vercel": {
"type": "boolean"
},
"wordpress": {
"type": "boolean"
}
},
"required": [
"wordpress",
"nextjs",
"react",
"shopify",
"cloudflare",
"vercel"
],
"type": "object"
},
"generator": {
"type": [
"string",
"null"
]
},
"ok": {
"const": true,
"type": "boolean"
},
"receipt_id": {
"type": "string"
},
"server": {
"type": [
"string",
"null"
]
},
"status": {
"type": "integer"
},
"warnings": {
"default": [],
"items": {
"type": "string"
},
"type": "array"
},
"x_powered_by": {
"type": [
"string",
"null"
]
}
},
"required": [
"ok",
"receipt_id",
"billed",
"final_url",
"status",
"generator",
"x_powered_by",
"server",
"frameworks",
"analytics"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"analytics": {
"google_analytics": true,
"google_tag_manager": true,
"meta_pixel": true
},
"billed": true,
"final_url": "string",
"frameworks": {
"cloudflare": true,
"nextjs": true,
"react": true,
"shopify": true,
"vercel": true,
"wordpress": true
},
"generator": "string",
"ok": true,
"receipt_id": "string",
"server": "string",
"status": 0,
"warnings": [],
"x_powered_by": "string"
},
"type": "string"
}Examples
curl "https://agentshelf.syntexa.ch/v1/tech-hints"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidconst res = await fetch("https://agentshelf.syntexa.ch/v1/tech-hints");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}import httpx
res = httpx.get("https://agentshelf.syntexa.ch/v1/tech-hints")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- agentshelf.syntexa.ch
- Endpoint
- https://agentshelf.syntexa.ch/v1/tech-hints
- Machine-readable
/resources/56735.json