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561 Group Market

Exact Verified Network Flow and Multi-Budget Frontier

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Exact Verified Network Flow and Multi-Budget Frontier

Exact rational min-cost maximum-flow for directed capacities and constant nonnegative costs. Choose independently checked funded and unbudgeted flows, or up to 32 derived budget quotes from one full optimum. Source-bound Cell and Chain evidence supports replay. Intermediate quotes lack separate primal certificates. Physical validity, fairness, rights, payment and customer acceptance require separate evidence.

Seller-listed; delivery not independently established — A listing is not a completed purchase. The live HTTP 402 challenge supplies current payment terms.

Price preview
$0.05
Method
POST
Endpoint
https://market.561.group/v1/mathematics/exact-resource-flow
Seller
Seller not independently established
Source-rights state
not-declared
Offer NI
ni:///sha-256;zt_kTOVzWx44H1bHqYyV6Gd1mr9n-Nehbek1GW67VQo
Claim cell
ni:///sha-256;7kVEiAuSl_gwWUl3TRauBY0XNqOy1iMAXxgH4UKkWvU
Operation law
ni:///sha-256;WPLvfGsi2E4KngtL7l0ZRZQ3N1BLn2zbD3DjebkPK9Q
  • mathematics
  • exact-resource-flow
  • science
  • ni:///sha-256;zt_kTOVzWx44H1bHqYyV6Gd1mr9n-Nehbek1GW67VQo
  • @red-cup-engineering/signcraft

The seller offers this resource under the stated method and contract. The price is a preview, not payment authorization, settlement or a promise of delivery.

Request contract
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                        {
                          "type": "string",
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                },
                {
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                  "minimum": 0,
                  "maximum": 99999999999999
                }
              ]
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            "description": "One to 32 exact nonnegative budgets in the SAME source-selected resource unit. This is not monetary spending authorization."
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  "example": {
    "method": "POST",
    "url": "https://market.561.group/v1/mathematics/exact-resource-flow",
    "headers": {
      "accept": "application/json",
      "content-type": "application/json"
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    "body": {
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        "lake",
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        "hamlet"
      ],
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          "capacity": "10",
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        },
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          "id": "b",
          "from": "ridge",
          "to": "hamlet",
          "capacity": "10",
          "unitResourceCost": "3/10"
        }
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          "node": "lake",
          "capacity": "10"
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        {
          "node": "hamlet",
          "amount": "8"
        }
      ],
      "budget": "2"
    }
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}
Unsigned request example (copy and run)
curl --include --request POST --header 'accept: application/json' --header 'content-type: application/json' --data-raw '{"nodes":["lake","ridge","hamlet"],"links":[{"id":"a","from":"lake","to":"ridge","capacity":"10","unitResourceCost":"1/5"},{"id":"b","from":"ridge","to":"hamlet","capacity":"10","unitResourceCost":"3/10"}],"sources":[{"node":"lake","capacity":"10"}],"demands":[{"node":"hamlet","amount":"8"}],"budget":"2"}' --url 'https://market.561.group/v1/mathematics/exact-resource-flow'

This request reads the seller's current HTTP response or 402 terms. It does not authorize or settle a payment. A buyer must independently approve current x402 terms.

Declared output
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          "evidence",
          "baselineVerification"
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        "properties": {
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            "const": "exact-resource-flow"
          },
          "version": {
            "const": "1"
          },
          "result": {
            "type": "object",
            "additionalProperties": true,
            "required": [
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              "withoutBudget",
              "allDemandFeasible"
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                "const": "exact-capacitated-directed-linear-resource-flow/v1"
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            "const": "original-mathematical-resource-work/v1"
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              "scope",
              "issuerAuthentication"
            ],
            "description": "Compact native generators for source-bound replay: readmitted SignChain rows, SignGraph site presentation, original rules and native settlement identity. Replay binds this evidence to the request and mathematical certificate. Reading it alone does not authenticate an issuer or establish payment.",
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              "kind": {
                "const": "signcraft.exact-resource-evidence/v1"
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                "resourceCostPerDeliveredUnit": {
                  "type": "string"
                }
              }
            }
          },
          "budgetQuotes": {
            "type": "array",
            "minItems": 1,
            "maxItems": 32,
            "items": {
              "type": "object",
              "required": [
                "budget",
                "maximumDelivery",
                "minimumResourceForMaximumDelivery",
                "unspentResource"
              ],
              "properties": {
                "budget": {
                  "type": "string"
                },
                "maximumDelivery": {
                  "type": "string"
                },
                "minimumResourceForMaximumDelivery": {
                  "type": "string"
                },
                "unspentResource": {
                  "type": "string"
                }
              }
            }
          },
          "checkedUnbudgetedOriginal": {
            "type": "object",
            "required": [
              "verified"
            ],
            "properties": {
              "verified": {
                "const": true
              }
            }
          },
          "checkedUnbudgetedReference": {
            "type": "object",
            "required": [
              "verified"
            ],
            "properties": {
              "verified": {
                "const": true
              }
            }
          },
          "marketOperation": {
            "const": "original-mathematical-resource-work/v1"
          },
          "admittedMode": {
            "const": "exact-resource-frontier"
          },
          "evidence": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "kind",
              "requestId",
              "resultId",
              "modelId",
              "numericalId",
              "modelRows",
              "numericalRows",
              "rows",
              "site",
              "rules",
              "settlementId",
              "settledAt",
              "claims",
              "scope",
              "issuerAuthentication"
            ],
            "description": "Compact native generators for source-bound replay: readmitted SignChain rows, SignGraph site presentation, original rules and native settlement identity. Replay binds this evidence to the request and mathematical certificate. Reading it alone does not authenticate an issuer or establish payment.",
            "properties": {
              "kind": {
                "const": "signcraft.exact-resource-evidence/v1"
              },
              "requestId": {
                "type": "string",
                "pattern": "^ni:///sha-256;[A-Za-z0-9_-]{43}$"
              },
              "resultId": {
                "type": "string",
                "pattern": "^ni:///sha-256;[A-Za-z0-9_-]{43}$"
              },
              "modelId": {
                "type": "string",
                "pattern": "^ni:///sha-256;[A-Za-z0-9_-]{43}$"
              },
              "numericalId": {
                "type": "string",
                "pattern": "^ni:///sha-256;[A-Za-z0-9_-]{43}$"
              },
              "settlementId": {
                "type": "string",
                "pattern": "^ni:///sha-256;[A-Za-z0-9_-]{43}$"
              },
              "modelRows": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": [
                    "subject",
                    "predicate",
                    "object",
                    "side",
                    "witness"
                  ],
                  "properties": {
                    "subject": {},
                    "predicate": {
                      "type": "string"
                    },
                    "object": {},
                    "side": {
                      "enum": [
                        "for",
                        "against"
                      ]
                    },
                    "witness": {
                      "type": "object"
                    }
                  }
                }
              },
              "numericalRows": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": [
                    "subject",
                    "predicate",
                    "object",
                    "side",
                    "witness"
                  ],
                  "properties": {
                    "subject": {},
                    "predicate": {
                      "type": "string"
                    },
                    "object": {},
                    "side": {
                      "enum": [
                        "for",
                        "against"
                      ]
                    },
                    "witness": {
                      "type": "object"
                    }
                  }
                }
              },
              "rows": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": [
                    "subject",
                    "predicate",
                    "object",
                    "side",
                    "witness"
                  ],
                  "properties": {
                    "subject": {},
                    "predicate": {
                      "type": "string"
                    },
                    "object": {},
                    "side": {
                      "enum": [
                        "for",
                        "against"
                      ]
                    },
                    "witness": {
                      "type": "object"
                    }
                  }
                }
              },
              "site": {
                "type": "object",
                "additionalProperties": false,
                "required": [
                  "kind",
                  "cells",
                  "specializations"
                ],
                "properties": {
                  "kind": {
                    "const": "signgraph.site"
                  },
                  "cells": {
                    "type": "array",
                    "minItems": 1,
                    "items": {
                      "type": "object",
                      "additionalProperties": false,
                      "required": [
                        "subject",
                        "predicate",
                        "object"
                      ],
                      "properties": {
                        "subject": {},
                        "predicate": {},
                        "object": {}
                      }
                    }
                  },
                  "specializations": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "required": [
                        "kind",
                        "domain",
                        "codomain"
                      ],
                      "properties": {
                        "kind": {
                          "const": "signgraph.specialization"
                        },
                        "domain": {},
                        "codomain": {}
                      }
                    }
                  }
                }
              },
              "rules": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "additionalProperties": false,
                  "required": [
                    "kind",
                    "name",
                    "antecedent",
                    "consequent"
                  ],
                  "properties": {
                    "kind": {
                      "const": "signchain.rule"
                    },
                    "name": {
                      "type": "string",
                      "minLength": 1
                    },
                    "antecedent": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "required": [
                          "cell",
                          "atLeast"
                        ],
                        "properties": {
                          "cell": {
                            "type": "object",
                            "additionalProperties": false,
                            "required": [
                              "subject",
                              "predicate",
                              "object"
                            ],
                            "properties": {
                              "subject": {},
                              "predicate": {},
                              "object": {}
                            }
                          },
                          "atLeast": {
                            "enum": [
                              "absurd",
                              "potential",
                              "active",
                              "stable"
                            ]
                          }
                        }
                      }
                    },
                    "consequent": {
                      "type": "object",
                      "required": [
                        "cell",
                        "reading"
                      ],
                      "properties": {
                        "cell": {
                          "type": "object",
                          "additionalProperties": false,
                          "required": [
                            "subject",
                            "predicate",
                            "object"
                          ],
                          "properties": {
                            "subject": {},
                            "predicate": {},
                            "object": {}
                          }
                        },
                        "reading": {
                          "enum": [
                            "absurd",
                            "potential",
                            "active",
                            "stable"
                          ]
                        }
                      }
                    }
                  }
                }
              },
              "settledAt": {
                "type": "integer",
                "minimum": 0
              },
              "claims": {
                "type": "object",
                "additionalProperties": false,
                "required": [
                  "conditional",
                  "customerAcceptance",
                  "payment"
                ],
                "properties": {
                  "conditional": {
                    "type": "object",
                    "additionalProperties": false,
                    "required": [
                      "subject",
                      "predicate",
                      "object"
                    ],
                    "properties": {
                      "subject": {},
                      "predicate": {},
                      "object": {}
                    }
                  },
                  "customerAcceptance": {
                    "type": "object",
                    "additionalProperties": false,
                    "required": [
                      "subject",
                      "predicate",
                      "object"
                    ],
                    "properties": {
                      "subject": {},
                      "predicate": {},
                      "object": {}
                    }
                  },
                  "payment": {
                    "type": "object",
                    "additionalProperties": false,
                    "required": [
                      "subject",
                      "predicate",
                      "object"
                    ],
                    "properties": {
                      "subject": {},
                      "predicate": {},
                      "object": {}
                    }
                  }
                }
              },
              "scope": {
                "type": "string",
                "minLength": 1
              },
              "issuerAuthentication": {
                "const": "not-established"
              }
            }
          }
        }
      }
    ]
  },
  "example": {
    "operation": "exact-resource-flow",
    "version": "1",
    "result": {
      "model": "exact-capacitated-directed-linear-resource-flow/v1",
      "guarantee": "exact arithmetic and min-cost max-flow for input capacities and constant nonnegative link costs; not physical hydraulic certification",
      "totalDemand": "8",
      "budget": "2",
      "withoutBudget": {
        "maximumDelivery": "8",
        "minimumResourceForMaximumDelivery": "4",
        "witness": {
          "delivered": "8",
          "resourceCost": "4",
          "remainingDemand": "0",
          "flows": [
            {
              "id": "a",
              "from": "lake",
              "to": "ridge",
              "volume": "8"
            },
            {
              "id": "b",
              "from": "ridge",
              "to": "hamlet",
              "volume": "8"
            }
          ],
          "supplied": [
            {
              "node": "lake",
              "volume": "8"
            }
          ],
          "served": [
            {
              "node": "hamlet",
              "requested": "8",
              "delivered": "8"
            }
          ],
          "nextMarginalResourceCost": null,
          "reducedCostPotentials": [
            "-1/2",
            "-3/10",
            "0",
            "-1/2",
            "0"
          ],
          "augmentations": 1,
          "marginalCostFrontier": [
            {
              "fromDelivered": "0",
              "untilDelivered": "8",
              "fromResourceCost": "0",
              "untilResourceCost": "4",
              "resourceCostPerDeliveredUnit": "1/2"
            }
          ]
        }
      },
      "withBudget": {
        "delivered": "4",
        "resourceCost": "2",
        "remainingDemand": "4",
        "flows": [
          {
            "id": "a",
            "from": "lake",
            "to": "ridge",
            "volume": "4"
          },
          {
            "id": "b",
            "from": "ridge",
            "to": "hamlet",
            "volume": "4"
          }
        ],
        "supplied": [
          {
            "node": "lake",
            "volume": "4"
          }
        ],
        "served": [
          {
            "node": "hamlet",
            "requested": "8",
            "delivered": "4"
          }
        ],
        "nextMarginalResourceCost": "1/2",
        "reducedCostPotentials": [
          "-1/2",
          "-3/10",
          "0",
          "-1/2",
          "0"
        ],
        "augmentations": 1,
        "marginalCostFrontier": [
          {
            "fromDelivered": "0",
            "untilDelivered": "4",
            "fromResourceCost": "0",
            "untilResourceCost": "2",
            "resourceCostPerDeliveredUnit": "1/2"
          }
        ]
      },
      "allDemandFeasible": false,
      "limitedByNetwork": false,
      "limitedByBudget": true
    },
    "verification": {
      "verified": true,
      "claim": "exact primal feasibility, minimum cost at this throughput and budget-optimal delivered volume under fixed linear rational costs",
      "verifiedDelivered": "4",
      "verifiedResourceCost": "2",
      "residualAdditionalUnitCost": "1/2",
      "scope": "algebraic model only: not real hydraulic feasibility, physical datum, policy or rights"
    },
    "baselineVerification": {
      "verified": true,
      "claim": "exact primal feasibility, minimum cost at this throughput and budget-optimal delivered volume under fixed linear rational costs",
      "verifiedDelivered": "8",
      "verifiedResourceCost": "4",
      "residualAdditionalUnitCost": null,
      "scope": "algebraic model only: not real hydraulic feasibility, physical datum, policy or rights"
    },
    "claims": [
      "exact finite rational linear flow optimization",
      "independently checked funded and unbudgeted primal/dual residual optimality"
    ],
    "exclusions": [
      "nonlinear hydraulics",
      "municipal connectivity",
      "water rights",
      "solar weather",
      "engineering safety",
      "social allocation"
    ],
    "marketOperation": "original-mathematical-resource-work/v1",
    "admittedMode": "exact-resource-flow",
    "merchantAndPaymentAuthority": "owned by original Market seller; no source operation can authorize cash spending",
    "evidence": {
      "kind": "signcraft.exact-resource-evidence/v1",
      "requestId": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
      "resultId": "ni:///sha-256;xxTJeQcm-pH1bjN4WiWwm3PtFkfo28uW8jAvD5ywJME",
      "modelId": "ni:///sha-256;6QLTFxaQPJwa0sish-DK2A2BMmNOip2p2oQJkRXjmzM",
      "numericalId": "ni:///sha-256;Q8rSek9jKvEdFYf9CPbCXIFyH7NSvvN4vEt8IhxNpxg",
      "modelRows": [
        {
          "subject": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
          "predicate": "urn:561:mathematics:exact-resource-work:mode",
          "object": "exact-resource-flow",
          "side": "for",
          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
            "path": [],
            "observation": "submitted-model-value"
          }
        },
        {
          "subject": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
          "predicate": "urn:561:mathematics:exact-resource-work:node",
          "object": "lake",
          "side": "for",
          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
            "path": [
              "nodes",
              0
            ],
            "observation": "submitted-model-value"
          }
        },
        {
          "subject": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
          "predicate": "urn:561:mathematics:exact-resource-work:node",
          "object": "ridge",
          "side": "for",
          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
            "path": [
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            ],
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        },
        {
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          "predicate": "urn:561:mathematics:exact-resource-work:node",
          "object": "hamlet",
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          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
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            ],
            "observation": "submitted-model-value"
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        },
        {
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          "predicate": "urn:561:mathematics:exact-resource-work:links",
          "object": [
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            "links",
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          "side": "for",
          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
            "path": [
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        },
        {
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          ],
          "predicate": "urn:561:mathematics:exact-resource-work:id",
          "object": "a",
          "side": "for",
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            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
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        },
        {
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          "predicate": "urn:561:mathematics:exact-resource-work:from",
          "object": "lake",
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          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
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        },
        {
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          "predicate": "urn:561:mathematics:exact-resource-work:to",
          "object": "ridge",
          "side": "for",
          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
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            "observation": "submitted-model-value"
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        },
        {
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          "predicate": "urn:561:mathematics:exact-resource-work:capacity",
          "object": "10",
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          "witness": {
            "source": "ni:///sha-256;2JhO46iCM8-0z0PUxQmXvpSveVQJKMzP1Bt-UFnnYSI",
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        },
        {
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          ],
          "predicate": "urn:561:mathematics:exact-resource-work:unitResourceCost",
          "object": "1/5",
          "side": "for",
          "witness": {
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        },
        {
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        },
        {
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          ],
          "predicate": "urn:561:mathematics:exact-resource-work:id",
          "object": "b",
          "side": "for",
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        {
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        {
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}

How to buy with x402

  1. Send the source's unsigned request. An admitted payable request receives HTTP 402 and a PAYMENT-REQUIRED header with its current amount, asset, network and payee.
  2. Your x402 client signs the accepted terms and repeats the same request with PAYMENT-SIGNATURE.
  3. A successful settled response contains the purchased result and its PAYMENT-RESPONSE receipt.

How x402 purchasing works

Source and machine access

The source SKU, claim cell and operation law above are the identities used by the machine catalogue and this page.