Reference list of US equity exchanges and market centers with names, MICs, opera
Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
386 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.vercel.app/api/v1/exchanges
| Category | Market data |
|---|---|
| Provider host | x402stock.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 386 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$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": {
"type": "string"
},
"count": {
"type": "number"
},
"exchanges": {
"items": {
"additionalProperties": false,
"properties": {
"acronym": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"id": {
"type": "number"
},
"mic": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"name": {
"type": "string"
},
"operating_mic": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"participant_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"type": {
"type": "string"
},
"url": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
}
},
"required": [
"id",
"type",
"name",
"acronym",
"mic",
"operating_mic",
"participant_id",
"url"
],
"type": "object"
},
"type": "array"
},
"source": {
"const": "x402stock",
"type": "string"
}
},
"required": [
"source",
"as_of",
"count",
"exchanges"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}