Roundhouse AI

sftunes.com

The mixtape from your friends. Ten songs you'd actually vouch for, shared with a private circle. No feeds, no algorithm, no follower counts.

TradingLiveeip155:8453Exactvia cdp
https://sftunes.com/api/tapes
Calls · 30d
5↑ 32%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far.
$0.39
Verified settled volume
39 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
5
Calls · 30d
Upstream's own call count for this endpoint, not ours.
5
Unique payers · 30d
Last called 2026-09-17 03:56Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xc122471a35f66366B2B3bfAfB7fee19827dAb637

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.

Accepts

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

0.01USDC≈ $0.01 USD
on Base · exact scheme

Pay 0.01 USDC on Base to 0xc122…Ab637. The signed payment is good for 5 minutes.

Paid to
0xc122…Ab637
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": "0xc122471a35f66366B2B3bfAfB7fee19827dAb637",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {},
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "count": 2,
          "tapes": [
            {
              "id": "<uuid>",
              "type": "tape",
              "title": "tape title",
              "tapemaker": "@handle",
              "track_count": 10
            },
            {
              "id": "top10-handle",
              "type": "top_ten",
              "title": "@handle's Top 10",
              "tapemaker": "@handle",
              "track_count": 10
            }
          ],
          "detail": "GET /api/tapes?id=<uuid> for a tape, or ?id=top10-<handle> for a public profile's Top 10 + Side B"
        }
      }
    },
    "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"
            },
            "pathParams": {
              "type": "object"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "id": {
                  "type": "string",
                  "description": "optional: a tape uuid, or top10-<handle> for a person's Top 10; omit for the full index"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    },
    "routeTemplate": ":var1"
  }
}

Provenance

Seen in the source catalog
2026-09-17 03:56Z
Last indexed by Roundhouse
2026-09-24 15:30Z
Last enriched (probe, favicon, geo)
2026-09-12 19:45Z
x402 version
2
Max timeout
300s
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

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far. 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 sftunes.com 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=sftunes.com'
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://sftunes.com/api/tapes, 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.