how.is
Look up the company behind a domain: name, description, category, location, socials, mail/DNS/hosting providers and registration, each with source and confidence.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"docs": "https://how.is/llms.txt",
"tool": "company",
"x402": {
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://how.is/v1/company",
"tags": [
"company",
"enrichment",
"firmographics",
"domain",
"kyb"
],
"iconUrl": "https://how.is/icon.png",
"mimeType": "application/json",
"description": "Look up the company behind a domain: name, description, category, location, socials, mail/DNS/hosting providers and registration, each with source and confidence.",
"serviceName": "how.is"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"domain": "github.com"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"data": {
"_shape": "data: name, legal_name, description, categories, kind, audience, business_model, location{locality,region,country}, social{x,linkedin,...}, providers{dns,mail,hosting}, registration{registrar,created,expires,age_years,registrant_org}, ownership, confidence{overall,fields}, sources, not_checked[]."
},
"result": "Company card for the requested subject",
"receipt": {
"rail": "x402",
"tool": "company",
"charge_usd": 0.01,
"settlement_tx": "0x…"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"maxLength": 253,
"description": "A bare domain name, e.g. example.com"
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
},
"x402Version": 2
},
"error": "payment required",
"accepts": [
{
"how": "Any x402 v2 client handles this: sign the `accepts[0]` terms from the PAYMENT-REQUIRED response header (base64 JSON, repeated here as `x402`), then retry the same request with header PAYMENT-SIGNATURE: <base64 payment payload>. X-PAYMENT is accepted too.",
"rail": "x402",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
"scheme": "exact",
"network": "eip155:8453",
"x402Version": 2,
"network_note": "mainnet",
"amount_atomic": "10000",
"maxTimeoutSeconds": 300
},
{
"how": "No wallet? POST https://how.is/v1/key (free, no body) returns an api_key and a pay_url. Keep the key, show your user the pay_url to add credit by card (from $5), then retry with Authorization: Bearer <api_key>. Keys carry a daily spend cap (default $10.00).",
"mode": "live",
"rail": "credits",
"get_key": {
"url": "https://how.is/v1/key",
"method": "POST"
}
}
],
"price_usd": 0.01,
"free_sample": {
"body": {
"domain": "stripe.com"
},
"note": "this exact request is free (rate-limited) so you can see the real response shape before paying"
},
"free_allowance": "20 of your 20 free calls today are unused — an unpaid request to a check priced at or under $0.010 is answered free until they run out."
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.01 USDC on Base to 0xa76a…C44F6. The signed payment is good for 5 minutes.
- Paid to
- 0xa76a…C44F6
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 10000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"domain": "github.com"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"data": {
"_shape": "data: name, legal_name, description, categories, kind, audience, business_model, location{locality,region,country}, social{x,linkedin,...}, providers{dns,mail,hosting}, registration{registrar,created,expires,age_years,registrant_org}, ownership, confidence{overall,fields}, sources, not_checked[]."
},
"result": "Company card for the requested subject",
"receipt": {
"rail": "x402",
"tool": "company",
"charge_usd": 0.01,
"settlement_tx": "0x…"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"maxLength": 253,
"description": "A bare domain name, e.g. example.com"
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-28 18:43Z
- Last indexed by Roundhouse
- 2026-11-08 09:00Z
- Last enriched (probe, favicon, geo)
- 2026-11-05 11:15Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 14 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service how.is and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=how.is' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://how.is/v1/company, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.