FETCH402
← Protocol index

Resource / 105

healthy

Laso Finance.

GET https://laso.finance/auth ↗

Get a Firebase ID token for authenticating with the callable APIs

Eligibility
probeable
Failures
0
Last quote
2026-08-12 21:30:02 UTC
Last probe
2026-08-12 21:30:02 UTC
Payment requirements / accepts[] 2 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 1000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x3291e96b3bff7ed56e3ca8364273c5b4654b2b37
active solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp exact 1000 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v 3MZVk97x9SeRxbYpc3jhzRfU2fyA3emYutnqfn9kNfYX

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 21:30:02 UTC GET · HTTP 402 · 121ms · accepts 2 · base 1 ok
Request
GET https://laso.finance/auth
Robots
allow
Note
http_402;accepts=2;base=1
Accepts fingerprint
10776f62086c680647d392a212eed953ce837a4651973a1e5a8faadb944e7da3

Accepts snapshot

[
  {
    "amount": "1000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x3291e96b3bff7ed56e3ca8364273c5b4654b2b37",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x3291e96b3bff7ed56e3ca8364273c5b4654b2b37",
      "pay_to": "0x3291e96b3bff7ed56e3ca8364273c5b4654b2b37",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "1000",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "assetTransferMethod": null,
    "extra": {
      "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
    },
    "maxTimeoutSeconds": 300,
    "network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
    "payTo": "3MZVk97x9SeRxbYpc3jhzRfU2fyA3emYutnqfn9kNfYX",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3MZVk97x9SeRxbYpc3jhzRfU2fyA3emYutnqfn9kNfYX",
      "pay_to": "3MZVk97x9SeRxbYpc3jhzRfU2fyA3emYutnqfn9kNfYX",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x3291e96b3bff7ed56e3ca8364273c5b4654b2b37",
      "scheme": "exact"
    },
    {
      "amount": "1000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "maxTimeoutSeconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3MZVk97x9SeRxbYpc3jhzRfU2fyA3emYutnqfn9kNfYX",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "auth": {
              "expires_in": "3600",
              "id_token": "eyJ...",
              "refresh_token": "AMf..."
            },
            "callable_base_url": "https://us-central1-kyc-ts.cloudfunctions.net",
            "user_id": "0xabc..."
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "auth": {
                    "properties": {
                      "expires_in": {
                        "type": "string"
                      },
                      "id_token": {
                        "description": "Firebase ID token for the callable APIs",
                        "type": "string"
                      },
                      "refresh_token": {
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "callable_base_url": {
                    "type": "string"
                  },
                  "user_id": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "sign-in-with-x": {
      "info": {
        "domain": "laso.finance",
        "expirationTime": "2026-08-12T21:35:02.412Z",
        "issuedAt": "2026-08-12T21:30:02.411Z",
        "nonce": "19e5d0f3d5e0ef306a58e063d6f332d7",
        "resources": [
          "https://laso.finance/auth"
        ],
        "statement": "Sign in to Laso Finance",
        "uri": "https://laso.finance/auth",
        "version": "1"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "address": {
            "type": "string"
          },
          "chainId": {
            "type": "string"
          },
          "domain": {
            "type": "string"
          },
          "expirationTime": {
            "format": "date-time",
            "type": "string"
          },
          "issuedAt": {
            "format": "date-time",
            "type": "string"
          },
          "nonce": {
            "type": "string"
          },
          "notBefore": {
            "format": "date-time",
            "type": "string"
          },
          "requestId": {
            "type": "string"
          },
          "resources": {
            "items": {
              "format": "uri",
              "type": "string"
            },
            "type": "array"
          },
          "signature": {
            "type": "string"
          },
          "statement": {
            "type": "string"
          },
          "type": {
            "type": "string"
          },
          "uri": {
            "format": "uri",
            "type": "string"
          },
          "version": {
            "type": "string"
          }
        },
        "required": [
          "domain",
          "address",
          "uri",
          "version",
          "chainId",
          "type",
          "nonce",
          "issuedAt",
          "signature"
        ],
        "type": "object"
      },
      "supportedChains": [
        {
          "chainId": "eip155:8453",
          "type": "eip191"
        },
        {
          "chainId": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
          "type": "ed25519"
        }
      ]
    }
  },
  "resource": {
    "description": "Get a Firebase ID token for authenticating with the callable APIs",
    "iconUrl": "https://laso.finance/android-chrome-512x512.png",
    "mimeType": "application/json",
    "serviceName": "Laso Finance",
    "tags": [
      "auth",
      "sign-in",
      "wallet"
    ],
    "url": "https://laso.finance/auth"
  },
  "x402Version": 2
}

Response headers

{
  "accept-ranges": "bytes",
  "access-control-expose-headers": "X-Laso-Docs-Version, X-Laso-Docs-Manifest, Link",
  "alt-svc": "h3=\":443\";ma=86400,h3-29=\":443\";ma=86400,h3-27=\":443\";ma=86400",
  "connection": "keep-alive",
  "content-length": "2",
  "content-type": "application/json; charset=utf-8",
  "date": "Wed, 12 Aug 2026 21:30:02 GMT",
  "etag": "W/\"2-vyGp6PvFo4RvsFtPoIWeCReyIC8\"",
  "link": "<https://laso.finance/.well-known/api-catalog>; rel=\"api-catalog\"; type=\"application/linkset+json\", <https://laso.finance/openapi.json>; rel=\"service-desc\"; type=\"application/json\"; title=\"Laso Finance x402 API (OpenAPI 3.1)\", <https://laso.finance/for-llms>; rel=\"service-doc\"; type=\"text/html\"; title=\"API documentation\", <https://laso.finance/SKILL.md>; rel=\"describedby\"; type=\"text/markdown\"; title=\"Agent skill\", <https://laso.finance/llms.txt>; rel=\"describedby\"; type=\"text/plain\", <https://laso.finance/.well-known/docs-version.json>; rel=\"service-meta\"; type=\"application/json\"; title=\"Docs version beacon\", <https://laso.finance/user-agreement>; rel=\"terms-of-service\"; type=\"text/html\"",
  "payment-required": "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",
  "server": "Google Frontend",
  "vary": "Origin, x-fh-requested-host, accept-encoding",
  "x-cache": "MISS",
  "x-cache-hits": "0",
  "x-cloud-trace-context": "eccb790192763a38f0a8bab9f2a51749",
  "x-laso-docs-manifest": "https://laso.finance/.well-known/docs-version.json",
  "x-laso-docs-version": "9686f8ed4bc2",
  "x-powered-by": "Express",
  "x-served-by": "cache-nyc-kteb1890058-NYC",
  "x-timer": "S1786570202.347033,VS0,VE109"
}

Response body 

{}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {},
  "type": "http"
}
OutputJSON
{
  "example": {
    "auth": {
      "expires_in": "3600",
      "id_token": "eyJ...",
      "refresh_token": "AMf..."
    },
    "callable_base_url": "https://us-central1-kyc-ts.cloudfunctions.net",
    "user_id": "0xabc..."
  },
  "type": "json"
}