Index onlineMerchant portal
Api Endpoint

Obol

Up to 100 Cardano mainnet stake rewards for an exact stake address, reward type, and bounded earned-epoch range

Open interactive test console

Offering

Provider
obol.danieldutoit.net
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://obol.danieldutoit.net/v1/cardano/stake-rewards?earned_epoch_max=2000&earned_epoch_min=1000&reward_type=member&stake_address=stake1uyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqg6jacpu
MIME type
Not provided
First seen
2026-10-16T03:25:59.412Z
Last seen
Tags
blockchain-data, cardano, staking, rewards, X402, a2a

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0x4094383033C1861E2686eaC4d4BBae6F0031F5d2"
  }
]

Observed health

Status
Healthy
Latest latency
756 ms
Average latency
1238 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "stake_address": {
          "type": "string",
          "pattern": "^stake1[02-9ac-hj-np-z]{53}$",
          "minLength": 59,
          "maxLength": 59,
          "description": "Cardano mainnet stake-address syntax prefilter only; Bech32 checksum, network, key/script credential type, and decoded length are enforced by runtime validation before payment because JSON Schema cannot express them."
        },
        "reward_type": {
          "type": "string",
          "enum": [
            "member",
            "leader",
            "refund"
          ]
        },
        "earned_epoch_min": {
          "type": "string",
          "pattern": "^(?:0|[1-9][0-9]{0,8}|1[0-9]{9}|20[0-9]{8}|21[0-3][0-9]{7}|214[0-6][0-9]{6}|2147[0-3][0-9]{5}|21474[0-7][0-9]{4}|214748[0-2][0-9]{3}|2147483[0-5][0-9]{2}|21474836[0-3][0-9]|214748364[0-7])$",
          "maxLength": 10,
          "description": "Canonical nonnegative integer string no greater than 2147483647."
        },
        "earned_epoch_max": {
          "type": "string",
          "pattern": "^(?:0|[1-9][0-9]{0,8}|1[0-9]{9}|20[0-9]{8}|21[0-3][0-9]{7}|214[0-6][0-9]{6}|2147[0-3][0-9]{5}|21474[0-7][0-9]{4}|214748[0-2][0-9]{3}|2147483[0-5][0-9]{2}|21474836[0-3][0-9]|214748364[0-7])$",
          "maxLength": 10,
          "description": "Canonical nonnegative integer string no greater than 2147483647. Must be at least earned_epoch_min and no more than 1,000 epochs above it; this cross-field constraint is enforced by runtime validation."
        }
      },
      "required": [
        "stake_address",
        "reward_type",
        "earned_epoch_min",
        "earned_epoch_max"
      ],
      "additionalProperties": false,
      "description": "earned_epoch_max must be at least earned_epoch_min and no more than 1,000 epochs above it; this cross-field constraint is enforced by runtime validation because JSON Schema cannot express it here."
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "rewards": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "enum": [
                  "member",
                  "leader",
                  "refund"
                ]
              },
              "amount_lovelace": {
                "type": "string",
                "pattern": "^(?:0|[1-9][0-9]{0,17}|[1-8][0-9]{18}|9[01][0-9]{17}|92[01][0-9]{16}|922[0-2][0-9]{15}|9223[0-2][0-9]{14}|92233[0-6][0-9]{13}|922337[01][0-9]{12}|92233720[0-2][0-9]{10}|922337203[0-5][0-9]{9}|9223372036[0-7][0-9]{8}|92233720368[0-4][0-9]{7}|922337203685[0-3][0-9]{6}|9223372036854[0-6][0-9]{5}|92233720368547[0-6][0-9]{4}|922337203685477[0-4][0-9]{3}|9223372036854775[0-7][0-9]{2}|922337203685477580[0-7])$",
                "maxLength": 19
              },
              "spendable_epoch": {
                "type": "integer",
                "minimum": 0,
                "maximum": 2147483647
              },
              "pool_id": {
                "type": "string",
                "pattern": "^(?:0|[1-9][0-9]{0,17}|[1-8][0-9]{18}|9[01][0-9]{17}|92[01][0-9]{16}|922[0-2][0-9]{15}|9223[0-2][0-9]{14}|92233[0-6][0-9]{13}|922337[01][0-9]{12}|92233720[0-2][0-9]{10}|922337203[0-5][0-9]{9}|9223372036[0-7][0-9]{8}|92233720368[0-4][0-9]{7}|922337203685[0-3][0-9]{6}|9223372036854[0-6][0-9]{5}|92233720368547[0-6][0-9]{4}|922337203685477[0-4][0-9]{3}|9223372036854775[0-7][0-9]{2}|922337203685477580[0-7])$",
                "maxLength": 19
              },
              "earned_epoch": {
                "type": "integer",
                "minimum": 0,
                "maximum": 2147483647
              }
            },
            "required": [
              "type",
              "amount_lovelace",
              "spendable_epoch",
              "pool_id",
              "earned_epoch"
            ],
            "additionalProperties": false
          },
          "maxItems": 100
        }
      },
      "required": [
        "rewards"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type"
  ]
}