Particle Pro

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "type": "https://docs.particle.pro/errors/payment_required",
  "title": "Payment Required",
  "detail": "This request costs $0.03 in USDC. Pay with x402 using PAYMENT-REQUIRED, or MPP using the WWW-Authenticate Payment challenge, or authenticate with a pp_ API key.",
  "status": 402,
  "resolve": {
    "url": "https://docs.particle.pro/x402",
    "action": "pay_per_request",
    "message": "Retry with one payment: x402 PAYMENT-SIGNATURE or MPP Authorization: Payment. You can also use an API key."
  },
  "error_code": "payment_required"
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x59f3a6dcb6f482c53872dd8f8f9e1f9161a1c5f7",
    "amount": "20000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {
          "id": "all-in"
        },
        "queryParams": {
          "active_since": "2026-01-01T00:00:00Z"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object",
              "required": [
                "id"
              ],
              "properties": {
                "id": {
                  "type": "string",
                  "description": "Podcast slug (e.g., 'all-in'), internal ID, or numeric iTunes ID"
                }
              }
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "limit": {
                  "type": "integer",
                  "format": "int64",
                  "description": "Results per page"
                },
                "cursor": {
                  "type": "string",
                  "description": "Opaque pagination cursor from previous response"
                },
                "include": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  },
                  "description": "Optional response sections. Pass include=via to attach, for each recommended sponsor, the related shows that run it (the peer set to cite in a pitch). Pass include=contacts to attach up to three people at the sponsor's company most likely to own a sponsorship decision, with their role class and LinkedIn URL."
                },
                "min_score": {
                  "type": "number",
                  "format": "double",
                  "description": "Only recommendations with a score at or above this value. Omit (or 0) for every recommendation; the band field is the recommended way to filter by strength."
                },
                "active_since": {
                  "type": "string",
                  "description": "Only sponsors whose most recent ad across the related shows was published on or after this ISO 8601 date or date-time — the 'still buying' filter."
                },
                "exclude_top_advertisers": {
                  "type": "integer",
                  "format": "int64",
                  "description": "Drop the N most active advertisers corpus-wide (by lifetime ad count) from the list. The list is strongest beyond the largest programmatic advertisers, which every list already names; 50 removes the head, 200 keeps only the long tail."
                }
              }
            }
          },
          "additionalProperties": false
        }
      }
    },
    "routeTemplate": "/v1/podcasts/:id/recommendations/sponsors"
  }
}

Provenance

Seen in the source catalog

2026-09-06 16:31Z

Last indexed by Roundhouse

2026-09-24 08:20Z

Last enriched (probe, favicon, geo)

2026-09-20 08:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402