x402 List

x402 Protocol Service Directory

Premium Rewards data GETs

Data PAYMENT-READY

payment-ready until 2026-08-27

Six x402 GETs on Base USDC. Spot FX $0.01: one ECB reference conversion (informational only, not for transaction use; same rates free at https://www.ecb.europa.eu; not sold or endorsed by the ECB). One Sense $0.02: first Wiktionary sense (CC BY-SA 4.0 and GFDL). Debt to the Penny $0.01 from U.S. Treasury Fiscal Data; not an official Treasury product. Recent Quake $0.01; credit U.S. Geological Survey; not an official USGS product. One Entity $0.01: one Wikidata item; structured data is CC0; free at https://www.wikidata.org. Ticket $0.01: binds a Base USDC transfer to this shop's price table; does not settle a new payment; not a refund; not proof the SKU body was delivered. Unpaid GET returns HTTP 402. PayTo 0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7.

Pay from $0.01 to $0.02 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

listed 2026-08-20 · no on-chain settlement recorded yet

BASE URL https://api.premiumrewards.vip WEBSITE https://premiumrewards.vip/ ENDPOINTS 5 NETWORK Base ASSET USDC MEMBER SINCE 2026-08-20 MONITORED SINCE 2026-08-20

ASSESSMENT

updated 4h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 100%
uptime 24h
-
uptime 7d
-
uptime 30d
-
uptime 90d
-
response p95
67ms
avg response
67ms
total checks
1

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

compliance A (14/14)

14 of 14 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.01 to $0.02 (p57 in Data)
price (min)
$0.01
price (max)
$0.02
category percentile (min)
p57 in Data
category percentile (max)
p40 in Data
endpoints / prices
5 / 2
model
tiered
stability
100%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
220d
registrar
Dynadot Inc
hosting
custom
domain created
2026-01-12

Identity facts, not a risk score.

traction $0.00 30d · 0 buyers
volume 30d
$0.00
buyers 30d
0
settlements 30d
0
measured since
--- (start of our harvest window)
last settlement
---
top buyer share
-
trend 7d vs 30d
-
networks
eip155:8453
volume all-time
$0
settlements all-time
0
median settlement 30d
-
max settlement 30d
-
settled via
-

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

No AI synthesis has been produced for this service yet.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET 402 CHANNEL
GET /debt $0.01 Base USDC header
GET /define $0.02 Base USDC header
GET /entity $0.01 Base USDC header
GET /fx $0.01 Base USDC header
GET /quake $0.01 Base USDC header
5 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /debt returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://api.premiumrewards.vip/debt'
// 402 response (captured by monitor) · 5 payloads · click to expand
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.premiumrewards.vip/fx?from=USD&to=EUR&amount=100",
      "mimeType": "text/plain",
      "description": "Spot FX: one ECB reference conversion, plain text. Conversion is calculated from the ECB reference rate (amount × rate). Indicative only. Not a trade quote, not for settlement. Informational only / not for transaction use. Source: ECB statistics. These reference rates are free at https://www.ecb.europa.eu (and via Frankfurter). Not sold or endorsed by the ECB.",
      "serviceName": "premiumrewards.vip"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "to": "EUR",
              "from": "USD",
              "amount": 100
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "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",
                  "required": [
                    "from",
                    "to",
                    "amount"
                  ],
                  "properties": {
                    "to": {
                      "type": "string"
                    },
                    "from": {
                      "type": "string"
                    },
                    "amount": {
                      "type": "number"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      },
      "facilitator": {
        "url": "https://facilitator.payai.network"
      },
      "x402.bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "to": "EUR",
              "from": "USD",
              "amount": 100
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "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",
                  "required": [
                    "from",
                    "to",
                    "amount"
                  ],
                  "properties": {
                    "to": {
                      "type": "string"
                    },
                    "from": {
                      "type": "string"
                    },
                    "amount": {
                      "type": "number"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "schema": {
          "type": "object",
          "properties": {
            "to": {
              "type": "string"
            },
            "from": {
              "type": "string"
            },
            "amount": {
              "type": "string"
            }
          }
        },
        "discoverable": true
      },
      "output": {
        "type": "text/plain"
      }
    }
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7",
        "amount": "20000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.premiumrewards.vip/define?word=oracle",
      "mimeType": "text/plain",
      "description": "One Sense. Definition from Wiktionary, CC BY-SA 4.0 and GFDL. https://creativecommons.org/licenses/by-sa/4.0/ https://www.gnu.org/licenses/fdl-1.3.html https://en.wiktionary.org/wiki/oracle The definition text (not this shop) may be reused under those licenses. Not endorsed by Wiktionary or the Wikimedia Foundation.",
      "serviceName": "premiumrewards.vip"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "word": "oracle"
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [
                    "word"
                  ],
                  "properties": {
                    "word": {
                      "type": "string"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      },
      "facilitator": {
        "url": "https://facilitator.payai.network"
      },
      "x402.bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "word": "oracle"
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$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",
                  "required": [
                    "word"
                  ],
                  "properties": {
                    "word": {
                      "type": "string"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "schema": {
          "type": "object",
          "properties": {
            "word": {
              "type": "string"
            }
          }
        },
        "discoverable": true
      },
      "output": {
        "type": "text/plain"
      }
    }
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.premiumrewards.vip/debt",
      "mimeType": "text/plain",
      "description": "Debt to the Penny: one number, latest total public debt outstanding. Figure from U.S. Treasury Fiscal Data, Debt to the Penny. Not an official Treasury product. We claim no copyright in the figure.",
      "serviceName": "premiumrewards.vip"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {}
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [],
                  "properties": {},
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      },
      "facilitator": {
        "url": "https://facilitator.payai.network"
      },
      "x402.bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {}
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$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",
                  "required": [],
                  "properties": {},
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "schema": {
          "type": "object",
          "properties": {}
        },
        "discoverable": true
      },
      "output": {
        "type": "text/plain"
      }
    }
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.premiumrewards.vip/quake",
      "mimeType": "text/plain",
      "description": "Recent Quake: strongest event in the past hour from the U.S. Geological Survey real-time GeoJSON feed. Credit: U.S. Geological Survey. Not an official USGS product.",
      "serviceName": "premiumrewards.vip"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {}
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [],
                  "properties": {},
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      },
      "facilitator": {
        "url": "https://facilitator.payai.network"
      },
      "x402.bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {}
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$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",
                  "required": [],
                  "properties": {},
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "schema": {
          "type": "object",
          "properties": {}
        },
        "discoverable": true
      },
      "output": {
        "type": "text/plain"
      }
    }
  },
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x6cd6B2a3a8926CE9B6F58CB6369C1AF4cB54c1D7",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://api.premiumrewards.vip/entity?qid=Q42",
      "mimeType": "text/plain",
      "description": "One Entity: one Wikidata item as plain text (Q-id, English label, English description, entity URL). Source: Wikidata. Structured data is CC0 (https://creativecommons.org/publicdomain/zero/1.0/). These facts are free at https://www.wikidata.org. Not sold or endorsed by the Wikimedia Foundation or Wikidata. Informational only.",
      "serviceName": "premiumrewards.vip"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "qid": "Q42"
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [],
                  "properties": {
                    "qid": {
                      "type": "string"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      },
      "facilitator": {
        "url": "https://facilitator.payai.network"
      },
      "x402.bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "qid": "Q42"
            }
          },
          "output": {
            "type": "text/plain"
          }
        },
        "schema": {
          "type": "object",
          "$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",
                  "required": [],
                  "properties": {
                    "qid": {
                      "type": "string"
                    }
                  },
                  "additionalProperties": false
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "text/plain"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "schema": {
          "type": "object",
          "properties": {
            "qid": {
              "type": "string"
            }
          }
        },
        "discoverable": true
      },
      "output": {
        "type": "text/plain"
      }
    }
  }
]

OVER TIME

All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/premium-rewards-data-gets/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
08-20 · uptime 100.0% · 105ms avg08-2008-20
30d UPTIME 100%
RESPONSE TIME
08-20 · 105ms avg08-20 · 105ms avg08-2008-20
AVG RESP 112ms
PRICE (captured 402, USD)
building price history ($0.01)

Median across 5 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
building assessment history (1 day so far)

checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression

VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-08-20 · last up 2026-08-20

  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (17) live · click to expand
TIME STATUS RESP CAUSE
● OK 119ms
● SLOW 181ms
● OK 129ms
● OK 72ms
● OK 138ms
● SLOW 189ms
● OK 39ms
● SLOW 248ms
● SLOW 186ms
● OK 90ms
● OK 115ms
● OK 74ms
● OK 57ms
● OK 44ms
● OK 80ms
● OK 75ms
● OK 67ms

EMBED THIS BADGE

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Premium Rewards data GETs listed on x402-list
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Premium Rewards data GETs uptime on x402-list
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[ update this listing ]

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