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 $0.01 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": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "language": "fr"
        }
      }
    },
    "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"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "role": {
                  "enum": [
                    "guest",
                    "host",
                    "panelist",
                    "correspondent",
                    "speaker",
                    "mention"
                  ],
                  "type": "string",
                  "description": "Entity role filter. Constrains which episodes match the entity_id, person_id, or company_id. 'speaker' matches any speaking role (host, co-host, guest, panelist, correspondent) without including mention-only episodes."
                },
                "limit": {
                  "type": "integer",
                  "format": "int64",
                  "description": "Results per page"
                },
                "cursor": {
                  "type": "string",
                  "description": "Opaque pagination cursor from previous response"
                },
                "language": {
                  "type": "string",
                  "description": "Restrict to episodes of podcasts in this language (ISO 639-1 code, e.g. 'fr'). Matches the podcast's primary language subtag, so 'fr' covers 'fr-FR'."
                },
                "entity_id": {
                  "type": "string",
                  "description": "Entity slug (e.g., 'elon-musk', 'openai') or ID. Returns episodes featuring this entity as a speaker or mentioned entity."
                },
                "person_id": {
                  "type": "string",
                  "description": "Person slug (e.g., 'dick-costolo'), knowledge-graph entity slug for the same person, or ID. Returns episodes featuring this person as a speaker — works even when the speaker has no knowledge-graph entity linked. When the value itself matches a knowledge-graph entity slug (corroborated to the same person), the default and 'mention' roles also include episodes that merely mention the person, matching entity_id semantics; pass a speaker role (guest, host, panelist, correspondent) for speaker-only results."
                },
                "company_id": {
                  "type": "string",
                  "description": "Company slug (e.g., 'nvidia'), domain (e.g., 'nvidia.com'), or ID. Resolves to the company's linked entity."
                },
                "podcast_id": {
                  "type": "string",
                  "description": "Podcast slug (e.g., 'all-in'), internal ID, or numeric iTunes ID"
                },
                "max_duration": {
                  "type": "integer",
                  "format": "int64",
                  "description": "Maximum episode duration in seconds"
                },
                "min_duration": {
                  "type": "integer",
                  "format": "int64",
                  "description": "Minimum episode duration in seconds"
                },
                "fully_ingested": {
                  "type": "boolean",
                  "description": "Only episodes that have reached the terminal ingestion milestone (the highest stage exposed by the episode firehose)"
                },
                "has_transcript": {
                  "type": "boolean",
                  "description": "Only episodes with completed transcripts"
                },
                "published_after": {
                  "type": "string",
                  "description": "Only episodes published after this ISO 8601 date or date-time (e.g. 2024-01-01 or 2024-01-01T00:00:00Z)"
                },
                "published_before": {
                  "type": "string",
                  "description": "Only episodes published before this ISO 8601 date or date-time (e.g. 2024-01-01 or 2024-01-01T00:00:00Z)"
                }
              }
            }
          },
          "additionalProperties": false
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-09-09 10:12Z

Last indexed by Roundhouse

2026-09-25 00:30Z

Last enriched (probe, favicon, geo)

2026-09-14 18:16Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402