TCP bandwidth-delay product, window size and scale factor needed, throughput lim
TCP bandwidth-delay product, window size and scale factor needed, throughput limits from window and from packet loss (Mathis).
Answeringour last check, 2026-10-21
1 of 1checks answered this week
704 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://network-calc.x402tookit.com/tcp-throughput
| Category | Commerce and shopping |
|---|---|
| Provider host | network-calc.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 704 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"bandwidthMbps": 1000,
"lossPercent": 1,
"mssBytes": 1460,
"rttMs": 50,
"windowBytes": 65535
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"bandwidthMbps": {
"description": "Link bandwidth in Mbps (to size the window)",
"type": "number"
},
"lossPercent": {
"description": "Packet loss in percent (for the Mathis limit)",
"type": "number"
},
"mssBytes": {
"description": "Maximum segment size in bytes (default 1460)",
"type": "number"
},
"rttMs": {
"description": "Round-trip time in milliseconds",
"type": "number"
},
"windowBytes": {
"description": "Receive window in bytes (default 65535 without scaling)",
"type": "number"
}
},
"required": [
"rttMs"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"bandwidthMbps": {
"type": [
"null",
"number"
]
},
"bdpBytes": {
"type": [
"null",
"number"
]
},
"bdpKiB": {
"type": [
"null",
"number"
]
},
"bdpMiB": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"expectedMbps": {
"type": [
"null",
"number"
]
},
"limitedBy": {
"type": [
"null",
"string"
]
},
"linkUtilizationPercent": {
"type": [
"null",
"number"
]
},
"mathisLimitMbps": {
"type": [
"null",
"number"
]
},
"mathisLossPercent": {
"type": [
"null",
"number"
]
},
"mssBytes": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"rttMs": {
"type": [
"null",
"number"
]
},
"segmentsInFlight": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"windowBytes": {
"type": [
"null",
"number"
]
},
"windowLimitedMBps": {
"type": [
"null",
"number"
]
},
"windowLimitedMbps": {
"type": [
"null",
"number"
]
},
"windowScaleMultiplier": {
"type": [
"null",
"number"
]
},
"windowScaleShift": {
"type": [
"null",
"number"
]
},
"windowToFillLink": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}