Truth Bear

Live 402 challenge

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

{
  "error": "X-PAYMENT header is required",
  "rails": {
    "available": [
      "base",
      "solana"
    ],
    "advertised": [
      "base"
    ],
    "optin_hint": "Send \"X-Payment-Network: solana\" (or ?rails=all) to receive every available rail in accepts.",
    "optin_header": "X-Payment-Network",
    "also_advertised_as": {
      "note": "This same 402 is offered twice: the v1 challenge in this body, and a v2 challenge in the PAYMENT-REQUIRED header. They are the SAME offer - identical price, asset and payTo - not two competing ones. Pay with whichever version your client speaks; you do not need both.",
      "rails": "The v2 challenge lists the Solana rail without an opt-in, while this v1 body does not. That is deliberate, not a discrepancy: a v1 network:\"solana\" entry makes some v1 clients reject the WHOLE accepts array, so v1 advertises it only on request. A v2 client matches on solana:5eykt4Us... and is unaffected.",
      "header": "PAYMENT-REQUIRED",
      "naming": "The v2 challenge uses CAIP-2 network ids (eip155:8453, solana:5eykt4Us...) where this v1 body uses the legacy short names (base, solana). Same chains, different identifier scheme - CDP couples the naming to the version, so it cannot be mixed.",
      "encoding": "base64 JSON",
      "x402_version": 2
    }
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x2d16a243ba9fAcC6AC85519d5efad2149DC4C6c3",
      "amount": "90000",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://api.truthbear.co/gauge/macro-reconcile-full",
      "extensions": {
        "bazaar": {
          "info": {
            "input": {
              "type": "http",
              "method": "GET"
            },
            "output": {
              "type": "json"
            }
          },
          "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "properties": {
              "input": {
                "type": "object",
                "required": [
                  "type",
                  "method"
                ],
                "properties": {
                  "type": {
                    "const": "http"
                  },
                  "method": {
                    "enum": [
                      "GET"
                    ],
                    "type": "string"
                  }
                }
              },
              "output": {
                "type": "object",
                "required": [
                  "type"
                ],
                "properties": {
                  "type": {
                    "const": "json"
                  }
                }
              }
            }
          },
          "priceUsd": "$0.09",
          "discoverable": true,
          "outputSchema": {
            "type": "object",
            "required": [
              "reconcile"
            ],
            "properties": {
              "grade": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Honest data-grade disclosure (e.g. \"screening-level, not decision-grade\")"
              },
              "scope": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "Honest statement of scope and limits: monitoring is not forecasting, intelligence is not instruction, and the boundary of what is verifiable"
              },
              "nature": {
                "type": "string",
                "description": "Neutrality statement: GAUGE supplies observations and trend description only - no judgement, no prediction, no recommendation"
              },
              "product": {
                "type": "string",
                "description": "Product marker (macro reconciliation - market-implied vs official-realized)"
              },
              "_citation": {
                "type": [
                  "object",
                  "null"
                ],
                "description": "Offline-verifiable citation: {statement_type, not_advice:bool, claim, fact, source, record_hash, signature(Ed25519), key_id, issuer_DID(did:key), verify_url} - the trust root for zero-trust self-verification"
              },
              "reconcile": {
                "type": "array",
                "items": {
                  "type": "object",
                  "additionalProperties": true
                },
                "description": "CORE DELIVERY: metric-by-metric alignment; each row carries metric / kalshi_series / official_realized{value,kind,unit,period,source,age_hours} / market_implied / the divergence between them"
              },
              "disclaimer": {
                "type": "string",
                "description": "Statement of the difference in kind between market-implied and officially-realized values"
              }
            },
            "additionalProperties": true,
            "conditionalProperties": {
              "last_fact": {
                "type": [
                  "object",
                  "null"
                ],
                "description": "Most recent qualifying fact for this line and entity, attached centrally (may be absent when the line has no qualifying fact yet)"
              },
              "decision_points": {
                "type": [
                  "object",
                  "null"
                ],
                "description": "Swappable decision points for this entity, attached centrally: {count, points:[{tag,current,swappable,how}], note}. Present only when the entity has at least one swappable tag in the index, so bundles for entities without one omit it"
              },
              "leg_availability": {
                "type": [
                  "object",
                  "null"
                ],
                "description": "Per-leg degradation disclosure: which legs are present, which are degraded and why. Present only when at least one leg is degraded"
              },
              "record_hash_verifiable": {
                "type": [
                  "object",
                  "null"
                ],
                "description": "Whether this response can recompute its own record_hash offline. Present only when the payload carries a top-level record_hash; may be absent on list-shaped deliveries where verifiability is stated per row instead"
              }
            }
          },
          "routeTemplate": "/gauge/macro-reconcile-full",
          "priceUsdNumber": 0.09
        }
      },
      "description": "[RECONCILIATION] Market-implied against officially-realized, side by side: Kalshi implied levels versus BLS official prints, aligned indicator by indicator, with the divergence quantified. The alignment key is returned so you can verify the pairing yourself. We show both numbers and the gap - the reading is yours. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.09 per call.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "required": [],
          "properties": {},
          "queryParams": {},
          "discoverable": true
        },
        "output": {
          "type": "object",
          "required": [
            "reconcile"
          ],
          "properties": {
            "grade": {
              "type": [
                "string",
                "null"
              ],
              "description": "Honest data-grade disclosure (e.g. \"screening-level, not decision-grade\")"
            },
            "scope": {
              "type": [
                "string",
                "null"
              ],
              "description": "Honest statement of scope and limits: monitoring is not forecasting, intelligence is not instruction, and the boundary of what is verifiable"
            },
            "nature": {
              "type": "string",
              "description": "Neutrality statement: GAUGE supplies observations and trend description only - no judgement, no prediction, no recommendation"
            },
            "product": {
              "type": "string",
              "description": "Product marker (macro reconciliation - market-implied vs official-realized)"
            },
            "_citation": {
              "type": [
                "object",
                "null"
              ],
              "description": "Offline-verifiable citation: {statement_type, not_advice:bool, claim, fact, source, record_hash, signature(Ed25519), key_id, issuer_DID(did:key), verify_url} - the trust root for zero-trust self-verification"
            },
            "reconcile": {
              "type": "array",
              "items": {
                "type": "object",
                "additionalProperties": true
              },
              "description": "CORE DELIVERY: metric-by-metric alignment; each row carries metric / kalshi_series / official_realized{value,kind,unit,period,source,age_hours} / market_implied / the divergence between them"
            },
            "disclaimer": {
              "type": "string",
              "description": "Statement of the difference in kind between market-implied and officially-realized values"
            }
          },
          "additionalProperties": true,
          "conditionalProperties": {
            "last_fact": {
              "type": [
                "object",
                "null"
              ],
              "description": "Most recent qualifying fact for this line and entity, attached centrally (may be absent when the line has no qualifying fact yet)"
            },
            "decision_points": {
              "type": [
                "object",
                "null"
              ],
              "description": "Swappable decision points for this entity, attached centrally: {count, points:[{tag,current,swappable,how}], note}. Present only when the entity has at least one swappable tag in the index, so bundles for entities without one omit it"
            },
            "leg_availability": {
              "type": [
                "object",
                "null"
              ],
              "description": "Per-leg degradation disclosure: which legs are present, which are degraded and why. Present only when at least one leg is degraded"
            },
            "record_hash_verifiable": {
              "type": [
                "object",
                "null"
              ],
              "description": "Whether this response can recompute its own record_hash offline. Present only when the payload carries a top-level record_hash; may be absent on list-shaped deliveries where verifiability is stated per row instead"
            }
          }
        }
      },
      "maxAmountRequired": "90000",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

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": "0x2d16a243ba9facc6ac85519d5efad2149dc4c6c3",
    "amount": "90000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
    },
    "payTo": "8qEn3Y3GPXdQ28LHshPa4UYeD8V38Lq9b4jCRirQAY3n",
    "amount": "90000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET"
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            }
          }
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "const": "json"
            }
          }
        }
      }
    },
    "priceUsd": "$0.09",
    "discoverable": true,
    "routeTemplate": "/gauge/macro-reconcile-full",
    "priceUsdNumber": 0.09,
    "outputSchemaRef": "/manifest"
  }
}

Provenance

Seen in the source catalog

2026-09-07 12:02Z

Last indexed by Roundhouse

2026-09-24 10:40Z

Last enriched (probe, favicon, geo)

2026-09-24 00:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402