x402 List

x402 Protocol Service Directory

●

Would Pay Again — Ad Slot Booking

Content PAYMENT-READY

payment-ready until 2026-09-18

Would Pay Again is a newsletter about the machine-payments (x402) economy, produced by paying x402 endpoints. It sells its own ad inventory the same way: two products (classified, sponsor card), 1-4 issue bookings, one fixed-price x402 route per SKU. Storefront and live availability at GET /api/ads (free).

Pay from $0.20 to $25.00 in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

measured since 2026-08-12 (start of our harvest window) · $0.85 all-time · settled via payAI

BASE URL https://wouldpayagain.com │ WEBSITE https://wouldpayagain.com │ ENDPOINTS 9 │ NETWORK Base │ ASSET USDC │ MEMBER SINCE 2026-08-31 │ MONITORED SINCE 2026-08-31

VERDICT

ranking generation 3

solid 84/100 #15 of 32 in Content by measured score

What the score read on this service: status online, 100% uptime 30d, 673ms response p95, x402 compliance 14 of 14, $0.2 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

It is a score inside Content, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 32 listings, this one among them. That set is wider than the 32 the position above is counted against, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

ALTERNATIVES IN CONTENT

Other Content services in this directory, ordered by the same measured score. The figures are ours: 30-day uptime from our own probes, 30-day settlement volume read on-chain (a conservative undercount, and null where we cannot measure it, never a zero).

Ranked alternative x402 services in the same category, with band, measured score, 30-day uptime and 30-day on-chain settlement volume
SERVICE BAND SCORE UPTIME 30D VOL 30D
AnySpend solid 92 100% $911.00
21millionpixels.art solid 90 100% $78.95
Supreme Audiobooks solid 90 100% $0
Creative Tim shadcn/ui Blocks solid 88 98.1% $30.21
penny402 solid 88 100% $0.08
5 of 31 other ranked services in Content · see the whole category

ASSESSMENT

updated 4h ago

The parts the verdict above is computed from, each with its proof. Click any chip. Measured values stay read-only; unknown is honest, and an unknown is never counted as a zero.

reliability 100%
uptime 24h
100%
uptime 7d
100%
uptime 30d
100%
uptime 90d
100%
response p95
673ms
avg response
216ms
total checks
1,015

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 $0.20 to $25.00 (p64 in Content)
price (min)
$0.20
price (max)
$25.00
category percentile (min)
p64 in Content
category percentile (max)
p92 in Content
endpoints / prices
9 / 9
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
-
registrar
-
hosting
custom
domain created
---

Identity facts, not a risk score.

traction $0.853 30d · 7 buyers
volume 30d
$0.853
buyers 30d
7
settlements 30d
29
measured since
2026-08-12 (start of our harvest window)
last settlement
2026-09-11
top buyer share
70% of 30d volume
trend 7d vs 30d
1.00x the 30d daily rate
networks
eip155:8453
volume all-time
$0.85
settlements all-time
29
median settlement 30d
$0.01
max settlement 30d
$0.60
settled via
payAI ($0.85, 29 tx)

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
POST /api/ads/book/classified-1 $0.20 Base USDC header
POST /api/ads/book/classified-2 $0.40 Base USDC header
POST /api/ads/book/classified-3 $0.60 Base USDC header
POST /api/ads/book/classified-4 $0.70 Base USDC header
POST /api/ads/book/sponsor-1 $0.50 Base USDC header
POST /api/ads/book/sponsor-2 $1.00 Base USDC header
POST /api/ads/book/sponsor-3 $1.50 Base USDC header
POST /api/ads/book/sponsor-4 $1.75 Base USDC header
POST /api/sponsor/request $25.00 Base USDC header
9 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to POST /api/ads/book/classified-1 returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i -X POST 'https://wouldpayagain.com/api/ads/book/classified-1'
// 402 response (captured by monitor) · 9 payloads · click to expand 
[
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "500000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/sponsor-1",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Sponsor card newsletter ad (1 issue, $0.5 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "1000000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/sponsor-2",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Sponsor card newsletter ad (2 issues, $1 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "1500000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/sponsor-3",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Sponsor card newsletter ad (3 issues, $1.5 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "1750000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/sponsor-4",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Sponsor card newsletter ad (4 issues, $1.75 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "200000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/classified-1",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Classified newsletter ad (1 issue, $0.2 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "400000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/classified-2",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Classified newsletter ad (2 issues, $0.4 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "600000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/classified-3",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Classified newsletter ad (3 issues, $0.6 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "700000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/ads/book/classified-4",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm and pay for a RESERVED Classified newsletter ad (4 issues, $0.7 USDC). Requires the matching \"reservation_code\" from POST /api/ads/reserve (free, first) — paying without one, or paying a different SKU than reserved, is not honored as a booking. Body: {\"reservation_code\": \"...\"}. Product docs: GET /api/ads (free).",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "reservation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "pending_review",
              "confirmed": true,
              "tearsheet": "https://wouldpayagain.com/api/ads/booking/6",
              "booking_id": 6,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x0828D14c01e5429fB72e751F3a754331A26cE998",
        "amount": "25000000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://wouldpayagain.com/api/sponsor/request",
      "method": "POST",
      "mimeType": "application/json",
      "description": "Confirm a sponsored review AFTER approval. Requires a \"confirmation_code\" from an approved inquiry (see POST /api/sponsor/inquire, free, first) -- paying without a valid code is not honored as a sponsorship and will need a refund. Body: {\"confirmation_code\": \"...\"}.",
      "serviceName": "Would Pay Again"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "confirmation_code": "…"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "ok": true,
              "status": "paid_confirmed",
              "confirmed": true,
              "request_id": 1,
              "settlement_tx": "0x…"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object"
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {}
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

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/would-pay-again-ad-slot-booking/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
08-31 · uptime 100.0% · 143ms avg09-01 · uptime 100.0% · 143ms avg09-02 · uptime 100.0% · 179ms avg09-03 · uptime 100.0% · 160ms avg09-04 · uptime 100.0% · 255ms avg09-05 · uptime 100.0% · 214ms avg09-06 · uptime 100.0% · 229ms avg09-07 · uptime 100.0% · 219ms avg09-08 · uptime 100.0% · 159ms avg09-09 · uptime 100.0% · 332ms avg09-10 · uptime 100.0% · 288ms avg09-11 · uptime 100.0% · 243ms avg08-3109-11
30d UPTIME 100%
RESPONSE TIME
08-31 · 143ms avg08-31 · 143ms avg09-01 · 143ms avg09-01 · 143ms avg09-02 · 179ms avg09-02 · 179ms avg09-03 · 160ms avg09-03 · 160ms avg09-04 · 255ms avg09-04 · 255ms avg09-05 · 214ms avg09-05 · 214ms avg09-06 · 229ms avg09-06 · 229ms avg09-07 · 219ms avg09-07 · 219ms avg09-08 · 159ms avg09-08 · 159ms avg09-09 · 332ms avg09-09 · 332ms avg09-10 · 288ms avg09-10 · 288ms avg09-11 · 243ms avg09-11 · 243ms avg08-3109-11
AVG RESP 215ms
PRICE (captured 402, USD)
08-31 · $0.7009-11 · $0.70$0.7008-3109-11

Median across 9 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
08-31 uptime: 100.0% compliance: 100% checks09-01 uptime: 100.0% compliance: 100% checks09-02 uptime: 100.0% compliance: 100% checks09-03 uptime: 100.0% compliance: 100% checks09-04 uptime: 100.0% compliance: 100% checks09-05 uptime: 100.0% compliance: 100% checks09-06 uptime: 100.0% compliance: 100% checks09-07 uptime: 100.0% compliance: 100% checks09-08 uptime: 100.0% compliance: 100% checks09-09 uptime: 100.0% compliance: 100% checks09-10 uptime: 100.0% compliance: 100% checks09-11 uptime: 100.0% compliance: 100% checksuptimecompliance08-3109-11

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

PILLARS OVER TIME (measured)
price percentile in Content
site signals present (of 6)

Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.

VOLUME (on-chain settlement, USD)
08-18 · $0.0008-26 · $0.0509-07 · $0.0109-09 · $0.0109-10 · $0.1509-11 · $0.03peak $0.1508-1809-11
DISTINCT BUYERS
08-18 · 1 buyer08-26 · 1 buyer09-07 · 1 buyer09-09 · 1 buyer09-10 · 1 buyer09-11 · 1 buyerpeak 1 buyer08-1809-11

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-08-31 · last up 2026-09-11

  • 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 (18) live · click to expand
TIME STATUS RESP CAUSE
● OK 190ms
● OK 144ms
● OK 138ms
● OK 138ms
● OK 231ms
● OK 279ms
● OK 280ms
● OK 189ms
● OK 286ms
● OK 223ms
● OK 88ms
● OK 139ms
● OK 136ms
● OK 224ms
● OK 193ms
● OK 135ms
● OK 250ms
● OK 198ms
18 of 1,028 checks · live count

EMBED THIS BADGE

Show that Would Pay Again — Ad Slot Booking is monitored on x402-list. Paste this on your site or README, it links back to this live listing.

Would Pay Again — Ad Slot Booking listed on x402-list
status
Would Pay Again — Ad Slot Booking uptime on x402-list
live uptime
// HTML
<a href="https://x402-list.com/services/would-pay-again-ad-slot-booking?utm_source=badge&utm_medium=referral&utm_campaign=embed">
  <img src="https://x402-list.com/badge/would-pay-again-ad-slot-booking.svg" alt="Would Pay Again — Ad Slot Booking listed on x402-list" height="28">
</a>
// Markdown
[![Would Pay Again — Ad Slot Booking on x402-list](https://x402-list.com/badge/would-pay-again-ad-slot-booking.svg)](https://x402-list.com/services/would-pay-again-ad-slot-booking?utm_source=badge&utm_medium=referral&utm_campaign=embed)
// HTML · live uptime variant
<a href="https://x402-list.com/services/would-pay-again-ad-slot-booking?utm_source=badge&utm_medium=referral&utm_campaign=embed">
  <img src="https://x402-list.com/badge/would-pay-again-ad-slot-booking.svg?data=uptime" alt="Would Pay Again — Ad Slot Booking uptime on x402-list" height="28">
</a>

RUN THIS SERVICE?

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[ update this listing ]

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[ verify this service ($0.25) ]

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