{
  "x402Version": 2,
  "id": 96,
  "slug": "96",
  "resource": "https://api.onesource.io/standard/v1/constants",
  "description": "The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Chain-read protocol constants: base rate, epoch length, floors, and where each one was last read from.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 3600
    }
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  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "chain_id": 4663,
            "constants": [
              {
                "basis": "measured",
                "key": "license_floor_price",
                "read_at": "2026-09-15T03:00:00Z",
                "read_block": 63512040,
                "source_contract": "0xa45ce49303eed5846f841bfd4bac6ae8c805ec05",
                "source_fn": "floorPrice",
                "value_num": "50000000000000000",
                "value_text": null
              }
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            "network": "robinhood"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
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            "properties": {
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                  "HEAD",
                  "DELETE"
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                "type": "string"
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              "queryParams": {
                "properties": {},
                "type": "object"
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              "type": {
                "const": "http",
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            "required": [
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              "method"
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            "type": "object"
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          "output": {
            "properties": {
              "example": {
                "description": "Endpoint-specific response payload",
                "properties": {
                  "chain_id": {
                    "type": "integer"
                  },
                  "constants": {
                    "items": {
                      "properties": {
                        "basis": {
                          "type": "string"
                        },
                        "key": {
                          "type": "string"
                        },
                        "read_at": {
                          "type": "string"
                        },
                        "read_block": {
                          "type": "integer"
                        },
                        "source_contract": {
                          "type": "string"
                        },
                        "source_fn": {
                          "type": "string"
                        },
                        "value_num": {
                          "type": "string"
                        },
                        "value_text": {
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "network": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.onesource.io",
  "lastUpdated": "2026-09-18T21:49:40.33Z",
  "quality": {
    "calls30d": 5,
    "uniquePayers30d": 5,
    "lastCalledAt": "2026-09-18T13:31:01.05Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.onesource.io",
    "manifest_name": "api.onesource.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}