api.axiomworks.co.uk

Offline phone validate (E.164 + country calling-code / national length). Structure only — not HLR/carrier/assigned. Accepts +E.164, 00…, or national+country=. Path alias /phone/{phone}. Example: {phone:"+447911123456"} or {phone:"07911123456",country:"GB"}. $0.001. Related: Email check: /email-check $0.002; IBAN: /iban $0.001; onboarding pack: /kyb $2.50; sanctions: /sanctions $0.05.

SearchLiveeip155:8453Exactvia cdp
Settlements · 30d
115
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$4.05
Verified settled volume
115 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0010
Listed price
As published in the catalog. Always read the live 402 before paying.
3
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-11-06 11:31Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x88b1c747c33A5868A34057D8C57318E5602b3ff6

The 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.

{
  "error": "X-PAYMENT header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x88b1c747c33A5868A34057D8C57318E5602b3ff6",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://api.axiomworks.co.uk/phone",
      "description": "Offline phone validate (E.164 + country calling-code / national length). Structure only — not HLR/carrier/assigned. Accepts +E.164, 00…, or national+country=. Path alias /phone/{phone}. Example: {phone:\"+447911123456\"} or {phone:\"07911123456\",country:\"GB\"}. $0.001. Related: Email check: /email-check $0.002; IBAN: /iban $0.001; UK postcode: /uk-postcode $0.001; onboarding pack: /kyb $2.50; sanctions: /sanctions $0.05.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "phone": {
              "type": "string",
              "description": "Phone in E.164 (+4479…), 00…, or national digits with country="
            },
            "country": {
              "type": "string",
              "description": "ISO 3166-1 alpha-2 when phone is national, e.g. GB"
            }
          },
          "discoverable": true
        },
        "output": {
          "schema": {
            "type": "object",
            "properties": {
              "valid": {
                "type": "boolean"
              },
              "country": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "length_ok": {
                "type": "boolean"
              },
              "disclaimer": {
                "type": "string"
              },
              "phone_e164": {
                "type": "string"
              },
              "type_guess": {
                "type": "string"
              },
              "calling_code": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "country_known": {
                "type": "boolean"
              },
              "national_number": {
                "type": "string"
              }
            }
          }
        }
      },
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 120
    }
  ],
  "x402_v2": "see PAYMENT-REQUIRED header (base64 JSON)",
  "x402Version": 1,
  "example_call": "https://api.axiomworks.co.uk/phone?phone=%2B447911123456",
  "free_preview": "https://api.axiomworks.co.uk/phone?phone=%2B447911123456&preview=1"
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.001USDC≈ $0.001 USD
on Base · exact scheme

Pay 0.001 USDC on Base to 0x88b1…b3ff6. The signed payment is good for 2 minutes.

USD Coin contract
0x8335…02913
Payment window
2 minutes
As published
1000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x88b1c747c33A5868A34057D8C57318E5602b3ff6",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 120
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "phone": "+447911123456"
        }
      }
    },
    "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"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "required": [
                "phone"
              ],
              "properties": {
                "phone": {
                  "type": "string",
                  "description": "Phone in E.164 (+4479…), 00…, or national digits with country="
                },
                "country": {
                  "type": "string",
                  "description": "ISO 3166-1 alpha-2 when phone is national, e.g. GB"
                }
              }
            }
          },
          "additionalProperties": false
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-11-06 11:31Z
Last indexed by Roundhouse
2026-11-10 09:50Z
Last enriched (probe, favicon, geo)
2026-11-07 02:16Z
x402 version
2
Max timeout
120s
Liveness probe
HTTP 402
Report

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

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service api.axiomworks.co.uk 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=api.axiomworks.co.uk'
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.axiomworks.co.uk/phone, 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.