The average interest rate the US Treasury currently pays on its outstanding debt
The average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).
Answeringour last check, 2026-09-24
1 of 1checks answered this week
320 msmedian answer time
$0.01listed price per call
$0.01price 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://x402stock.xyz/api/v1/avg-interest-rates
| Category | Everything else |
|---|---|
| Provider host | x402stock.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 55 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 320 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"as_of": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"count": {
"type": "number"
},
"rates": {
"items": {
"additionalProperties": false,
"properties": {
"avg_interest_rate": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"security": {
"type": "string"
},
"security_type": {
"type": "string"
}
},
"required": [
"security_type",
"security",
"avg_interest_rate"
],
"type": "object"
},
"type": "array"
},
"record_date": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"series": {
"type": "string"
},
"source": {
"const": "us_treasury",
"type": "string"
},
"unit": {
"type": "string"
}
},
"required": [
"source",
"as_of",
"series",
"unit",
"record_date",
"count",
"rates"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}