Api Endpoint

561-group-hr-threshold

Heart-Rate Threshold: the Workwell Foundation resting-heart-rate+15bpm pacing-ceiling heuristic, labeled as an unvalidated clinical rule of thumb. Stateless: nothing submitted or computed is stored.

Open interactive test console

Offering

Provider
market.561.group
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Health And Medicine
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://market.561.group/v1/pacing/heart-rate-threshold
MIME type
Not provided
First seen
2026-10-16T01:50:38.788Z
Last seen
Tags
pacing, biometric, heart-rate, workwell, heuristic

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a"
  }
]

Observed health

Status
Healthy
Latest latency
1395 ms
Average latency
1707 ms
HTTP status
204
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

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "restingHr": {
          "description": "Resting heart rate in beats per minute.",
          "exclusiveMinimum": 0,
          "type": "number"
        }
      },
      "required": [
        "restingHr"
      ]
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "ceilingBpm": {
          "type": "number"
        },
        "evidenceStatus": {
          "type": "string"
        },
        "formula": {
          "type": "string"
        },
        "restingHr": {
          "type": "number"
        }
      },
      "required": [
        "ceilingBpm",
        "restingHr",
        "formula",
        "evidenceStatus"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}