Eckari
An empty items list is never the same as "no owner": ownership_status and the filed PSC statements/exemptions explain why the register discloses none. Returns the persons with significant control (PSCs) for a UK company — the individuals, entities or legal persons that own or control it — each nature of control carrying the register code and its official text, with dates and public identification. The UK statutory beneficial-ownership (UBO) record. Use when: Who owns this UK company?
OtherLiveeip155:8453Exactvia cdp
UkCompanies-houseCompanyKybPsc
Calls · 30d
1↓ 50%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 25 snapshots so far.
$0.54
Verified settled volume
157 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0080
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-18 13:36Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8fThe wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
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.
{
"x402": {
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f",
"amount": "8000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
],
"resource": {
"url": "https://api.eckari.com/v1/companies/uk/:companyNumber/owners",
"tags": [
"uk",
"companies-house",
"company",
"kyb",
"psc"
],
"iconUrl": "https://eckari.com/icon-512.png",
"mimeType": "application/json",
"description": "An empty items list is never the same as \"no owner\": ownership_status and the filed PSC statements/exemptions explain why the register discloses none. Returns the persons with significant control (PSCs) for a UK company — the individuals, entities or legal persons that own or control it — each nature of control carrying the register code and its official text, with dates and public identification. The UK statutory beneficial-ownership (UBO) record. Use when: Who owns this UK company?",
"serviceName": "Eckari"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"company_number": "00445790"
},
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"data": {
"page": {
"limit": 10,
"total": 0,
"offset": 0,
"has_more": false,
"returned": 0,
"next_offset": null
},
"items": [],
"query": {
"include_ceased": false
},
"exemptions": [
{
"exempt_to": "2023-02-02",
"is_current": false,
"description": "This is a traded, DTR5 issuing company. Therefore it may be exempt from updating its PSC information.",
"exempt_from": "2017-06-07",
"exemption_type": "disclosure-transparency-rules-chapter-five-applies"
},
{
"exempt_to": null,
"is_current": true,
"description": "The company has been or is exempt from the requirement to obtain information of its PSC, as it has voting shares admitted to trading on a UK regulated market.",
"exempt_from": "2018-06-18",
"exemption_type": "psc-exempt-as-trading-on-uk-regulated-market"
}
],
"statements": [],
"active_count": 0,
"ceased_count": 0,
"company_number": "00445790",
"ownership_status": "exempt_listed_company",
"active_statement_count": 0
},
"meta": {
"source": "companies_house",
"version": "3.0.0",
"freshness": "live",
"capability": "company.uk.owners"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"company_number"
],
"properties": {
"company_number": {
"type": "string",
"pattern": "^\\s*(?:[0-9]{1,8}|[A-Za-z][0-9]{7}|[A-Za-z]{2}[0-9]{6}|[A-Za-z]{2}[0-9]{5}[A-Za-z]|[A-Za-z]{2}[0-9]{4}[A-Za-z]{2})\\s*$",
"maxLength": 10,
"minLength": 1,
"description": "Companies House company number. Accepted shapes are the register's own — 1-8 digits (zero-padded to 8, e.g. 445790 → 00445790), one letter + 7 digits (R0000001), two letters + 6 digits (SC002180, NI000001, OC123456, OE000001), or the registered-society suffix forms (two letters + 5 digits + 1 letter; two letters + 4 digits + 2 letters). Case-insensitive; surrounding whitespace is ignored (which is why maxLength is 10); internal spaces and punctuation are not accepted. Any other value (for example PROBE) is rejected as INVALID_INPUT before payment and before any upstream call."
}
},
"additionalProperties": false
},
"queryParams": {
"type": "object",
"properties": {
"limit": {
"type": "integer",
"maximum": 100,
"minimum": 1,
"description": "Maximum PSCs to return per page (1-100). Default 10. Eckari reads up to three register pages of 100 entries to fill this after the ceased filter is applied; if the limit is still unmet, page.has_more is true and page.next_offset says where to resume."
},
"offset": {
"type": "integer",
"maximum": 10000,
"minimum": 0,
"description": "Zero-based index into the register's own PSC list (not into the filtered result). Pass back page.next_offset from the previous response to page."
},
"include_ceased": {
"type": "boolean",
"description": "Include PSCs whose control has ceased. Default false."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
},
"routeTemplate": "/v1/companies/uk/:company_number/owners"
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"required"
],
"properties": {
"id": {
"type": "string",
"pattern": "^[a-zA-Z0-9_-]+$",
"maxLength": 128,
"minLength": 16
},
"required": {
"type": "boolean"
}
}
}
}
},
"x402Version": 2
},
"error": {
"code": "PAYMENT_REQUIRED",
"details": {
"rail": "x402",
"price": "0.008",
"network": "eip155:8453",
"currency": "USD",
"input_validation": {
"code": "INVALID_INPUT",
"issues": [
{
"path": "company_number",
"message": "Too big: expected string to have <=10 characters"
},
{
"path": "company_number",
"message": "Invalid string: must match pattern /^\\s*(?:[0-9]{1,8}|[A-Za-z][0-9]{7}|[A-Za-z]{2}[0-9]{6}|[A-Za-z]{2}[0-9]{5}[A-Za-z]|[A-Za-z]{2}[0-9]{4}[A-Za-z]{2})\\s*$/"
}
],
"message": "Input validation failed"
}
},
"message": "Payment required. Retry with a valid payment proof header. Note: the request input is also invalid; see details.input_validation.",
"request_id": "req_e41305bec9821893a9c4a45e"
}
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.008USDC≈ $0.008 USD
on Base · exact scheme
Pay 0.008 USDC on Base to 0x9d6b…83C8f. The signed payment is good for 1 minute.
- Paid to
- 0x9d6b…83C8f
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 8000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f",
"amount": "8000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"companyNumber": "00445790"
},
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"data": {
"page": {
"limit": 10,
"total": 0,
"offset": 0,
"has_more": false,
"returned": 0,
"next_offset": null
},
"items": [],
"query": {
"include_ceased": false
},
"exemptions": [
{
"exempt_to": "2023-02-02",
"is_current": false,
"description": "This is a traded, DTR5 issuing company. Therefore it may be exempt from updating its PSC information.",
"exempt_from": "2017-06-07",
"exemption_type": "disclosure-transparency-rules-chapter-five-applies"
}
],
"statements": [],
"active_count": 0,
"ceased_count": 0,
"company_number": "00445790",
"ownership_status": "exempt_listed_company",
"active_statement_count": 0
},
"meta": {
"source": "companies_house",
"version": "2.0.0",
"freshness": "live",
"capability": "company.uk.owners"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"companyNumber"
],
"properties": {
"companyNumber": {
"type": "string",
"pattern": "^\\s*[A-Za-z0-9]{1,8}\\s*$",
"maxLength": 10,
"minLength": 1,
"description": "Companies House company number. The identifier itself is 1-8 letters/digits; surrounding whitespace is ignored (which is why maxLength is 10), but the value must not contain internal spaces. Short numeric values are zero-padded to 8 characters. A whitespace-only or over-long value is rejected as INVALID_INPUT before any payment or upstream call."
}
},
"additionalProperties": false
},
"queryParams": {
"type": "object",
"properties": {
"limit": {
"type": "integer",
"maximum": 100,
"minimum": 1,
"description": "Maximum PSCs to return per page (1-100). Default 10. Eckari reads up to three register pages of 100 entries to fill this after the ceased filter is applied; if the limit is still unmet, page.has_more is true and page.next_offset says where to resume."
},
"offset": {
"type": "integer",
"maximum": 10000,
"minimum": 0,
"description": "Zero-based index into the register's own PSC list (not into the filtered result). Pass back page.next_offset from the previous response to page."
},
"include_ceased": {
"type": "boolean",
"description": "Include PSCs whose control has ceased. Default false."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
},
"routeTemplate": "/v1/companies/uk/:companyNumber/owners"
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"required"
],
"properties": {
"id": {
"type": "string",
"pattern": "^[a-zA-Z0-9_-]+$",
"maxLength": 128,
"minLength": 16
},
"required": {
"type": "boolean"
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-08-18 13:36Z
- Last indexed by Roundhouse
- 2026-09-17 13:40Z
- Last enriched (probe, favicon, geo)
- 2026-09-23 21:45Z
- x402 version
- 2
- Max timeout
- 60s
- 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. 25 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 Eckari 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=Eckari' 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://api.eckari.com/v1/companies/uk/:companyNumber/owners, 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. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.