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Resource / 182
healthyDNS & WHOIS Domain Lookup.
DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.
Payment requirements / accepts[]
4 options
| State | Network | Scheme | Atomic amount | Asset | payTo / untrusted |
|---|---|---|---|---|---|
| active | eip155:8453 | exact | 5000 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7 |
| active | eip155:137 | exact | 5000 | 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 | 0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7 |
| active | eip155:42161 | exact | 5000 | 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 | 0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7 |
| active | solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp | exact | 5000 | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v | ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ |
All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.
Probe evidence
1 recent
healthy 2026-08-12 22:00:00 UTC GET · HTTP 402 · 7ms · accepts 4 · base 1 ok
Accepts snapshot
[
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetTransferMethod": null,
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"paymentFlow": null,
"raw": {
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:8453",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"pay_to": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"assetTransferMethod": null,
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"paymentFlow": null,
"raw": {
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:137",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"pay_to": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"assetTransferMethod": null,
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"paymentFlow": null,
"raw": {
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:42161",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"pay_to": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"assetTransferMethod": null,
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"paymentFlow": null,
"raw": {
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"pay_to": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"scheme": "exact"
},
"scheme": "exact"
}
]
PaymentRequired raw
{
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"scheme": "exact"
}
],
"error": "Payment required",
"extensions": {
"bazaar": {
"category": "domain-intelligence",
"info": {
"input": {
"method": "GET",
"queryParams": {
"host": "example.com"
},
"type": "http"
},
"output": {
"example": {
"host": "example.com",
"queried_at": "2026-06-05T12:00:00Z",
"records": [
"93.184.216.34"
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"host": {
"description": "Bare hostname to resolve (not an IP literal, not localhost, not under a reserved suffix like .local/.internal)",
"maxLength": 253,
"minLength": 1,
"type": "string"
}
},
"required": [
"host"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"host": {
"description": "The queried hostname",
"type": "string"
},
"queried_at": {
"description": "UTC timestamp of the lookup",
"format": "date-time",
"type": "string"
},
"records": {
"description": "IPv4 addresses (A records)",
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"host",
"records",
"queried_at"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"dns",
"a-record",
"ipv4",
"resolve",
"hostname",
"domain",
"lookup"
]
}
},
"resource": {
"description": "DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.",
"mimeType": "application/json",
"serviceName": "DNS & WHOIS Domain Lookup",
"tags": [
"dns",
"a-record",
"ipv4",
"resolve",
"hostname",
"domain",
"lookup"
],
"url": "https://dns.use.x402atlas.com/a"
},
"x402Version": 2
}
Response headers
{
"alt-svc": "h3=\":443\"; ma=2592000",
"content-length": "2064",
"content-type": "application/json",
"date": "Wed, 12 Aug 2026 22:00:00 GMT",
"payment-required": "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",
"via": "1.1 Caddy",
"x-request-id": "f5457aaa-dad8-44fc-9ac5-efe6cc6ac3bd"
}
Response body
{
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"scheme": "exact"
}
],
"contact": {
"email": "support@x402atlas.com"
},
"documentation": "https://dns.use.x402atlas.com/docs",
"error": "payment_required",
"hint": "This endpoint requires x402 payment. The price and payment options are in the PAYMENT-REQUIRED response header (x402 v2). Pay with an x402 client, then retry to receive the data.",
"llms": "https://dns.use.x402atlas.com/llms.txt",
"method": "GET",
"openapi": "https://dns.use.x402atlas.com/openapi.json",
"price": "$0.005 per call",
"resource": {
"description": "DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.",
"mimeType": "application/json",
"serviceName": "DNS & WHOIS Domain Lookup",
"tags": [
"dns",
"a-record",
"ipv4",
"resolve",
"hostname",
"domain",
"lookup"
],
"url": "https://dns.use.x402atlas.com/a"
},
"x402Version": 2
}
Request headers
{
"accept": "*/*",
"user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}
Machine contract
Schemas.
InputJSON
{
"method": "GET",
"queryParams": {
"host": "example.com"
},
"type": "http"
}
OutputJSON
{
"example": {
"host": "example.com",
"queried_at": "2026-06-05T12:00:00Z",
"records": [
"93.184.216.34"
]
},
"type": "json"
}