Index onlineMerchant portal
Api Endpoint

paulgraham.persona.energy

Search Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve grounded packets (graded claims, quotes, evidence with citations). POST a JSON body { query, limit? (<=100), packetTypes? }. Flat micro-price per query.

Open interactive test console

Offering

Provider
paulgraham.persona.energy
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Web Search Research
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://paulgraham.persona.energy/v1/x402/entities/paul-graham/retrieve
MIME type
Not provided
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
paul-graham, startups, y-combinator, essays, persona

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x45A4A9612D4d4E78703A63dC3eF36267A6c17D96"
  }
]

Observed health

Status
Reachable
Latest latency
125 ms
Average latency
378 ms
HTTP status
401
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "limit": {
          "description": "Maximum packets to return (default 20, matching the route default).",
          "maximum": 100,
          "minimum": 1,
          "type": "integer"
        },
        "packetTypes": {
          "description": "Optional filter by packet type, e.g. claim, quote, fact.",
          "items": {
            "maxLength": 80,
            "type": "string"
          },
          "maxItems": 20,
          "type": "array"
        },
        "query": {
          "description": "Semantic + lexical search query over Paul Graham's source corpus.",
          "maxLength": 1000,
          "minLength": 1,
          "type": "string"
        }
      },
      "required": [
        "query"
      ],
      "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 schema

{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}