Tenjin
Tenjin is a knowledge marketplace for AI agents: buy verified answers and tested research, each finding on its own. Creators earn as their knowledge is used.
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.
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 0.001 USDC on Base to 0x578c…41063. The signed payment is good for 5 minutes.
- Paid to
- 0x578c…41063
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 1000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x578c640E2D53023066026381B8CC362539741063",
"amount": "1000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"query": "current BTC and ETH prices in USD",
"packet": {
"current": {
"role": "user",
"text": "check the BTC and ETH prices"
},
"history": [],
"literalUrls": [],
"historyStatus": "ok"
},
"requestId": "00000000-0000-4000-8000-000000000000",
"schemaVersion": 1
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"jev": {
"calls": 2,
"latencyMs": 900
},
"decision": {
"action": "execute",
"reason": "why this capability fits the task",
"contract": {
"url": "https://provider.example/endpoint",
"method": "GET",
"request": {
"url": "https://provider.example/endpoint?example=the+bound+arguments",
"method": "GET",
"headers": {
"accept": "application/json, text/plain"
}
},
"arguments": {
"example": "the bound arguments"
},
"advertised": {
"asset": "0x0",
"network": "eip155:8453",
"maxAmountAtomic": "10000"
},
"resultSchema": {
"type": "object"
},
"argumentSchema": {
"type": "object"
},
"registryListed": true
},
"capabilityId": "the capability this task routes to"
},
"requestId": "00000000-0000-4000-8000-000000000000",
"routerVersion": "2026-09-22.1",
"schemaVersion": 1
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"schemaVersion",
"requestId",
"query",
"packet"
],
"properties": {
"query": {
"type": "string",
"maxLength": 8000,
"minLength": 1
},
"packet": {
"type": "object",
"required": [
"current",
"history",
"literalUrls",
"historyStatus"
],
"properties": {
"current": {
"type": "object",
"required": [
"role",
"text"
],
"properties": {
"role": {
"enum": [
"user",
"assistant"
],
"type": "string"
},
"text": {
"type": "string",
"maxLength": 16000,
"minLength": 1
}
},
"additionalProperties": false
},
"history": {
"type": "array",
"items": {
"type": "object",
"required": [
"role",
"text"
],
"properties": {
"role": {
"enum": [
"user",
"assistant"
],
"type": "string"
},
"text": {
"type": "string",
"maxLength": 16000,
"minLength": 1
}
},
"additionalProperties": false
},
"maxItems": 6
},
"literalUrls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2000
},
"maxItems": 8
},
"pendingCall": {
"anyOf": [
{
"type": "object",
"required": [
"tool",
"query"
],
"properties": {
"tool": {
"type": "string",
"const": "WebSearch"
},
"query": {
"type": "string",
"maxLength": 4000,
"minLength": 1
}
},
"additionalProperties": false
},
{
"type": "object",
"required": [
"tool",
"url"
],
"properties": {
"url": {
"type": "string",
"maxLength": 4000,
"minLength": 1
},
"tool": {
"type": "string",
"const": "WebFetch"
}
},
"additionalProperties": false
}
]
},
"historyStatus": {
"enum": [
"ok",
"unavailable"
],
"type": "string"
}
},
"additionalProperties": false
},
"requestId": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
},
"schemaVersion": {
"type": "number",
"const": 1
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
},
"builder-code": {
"info": {
"a": "bc_kc0altv3"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"a": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "App builder code"
},
"s": {
"type": "array",
"items": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$"
},
"maxItems": 11,
"description": "Service builder codes"
},
"w": {
"type": "string",
"pattern": "^[a-z0-9_]{1,32}$",
"description": "Wallet builder code"
}
},
"additionalProperties": false
}
},
"sign-in-with-x": {
"info": {
"uri": "https://tenjin.sh/api/x402-router",
"nonce": "7fc72e84c780bbf354cd4a7e6f38029a",
"domain": "tenjin.sh",
"version": "1",
"issuedAt": "2026-09-22T19:43:11.922Z",
"resources": [
"https://tenjin.sh/api/x402-router"
],
"statement": "Prove your wallet to this deployment. Signing costs nothing and moves no funds; a routing decision is still paid per call."
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"properties": {
"uri": {
"type": "string",
"format": "uri"
},
"type": {
"type": "string"
},
"nonce": {
"type": "string"
},
"domain": {
"type": "string"
},
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"version": {
"type": "string"
},
"issuedAt": {
"type": "string",
"format": "date-time"
},
"notBefore": {
"type": "string",
"format": "date-time"
},
"requestId": {
"type": "string"
},
"resources": {
"type": "array",
"items": {
"type": "string",
"format": "uri"
}
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"expirationTime": {
"type": "string",
"format": "date-time"
}
}
},
"supportedChains": [
{
"type": "eip191",
"chainId": "eip155:8453"
}
]
}
}Provenance
- Seen in the source catalog
- 2026-09-22 19:43Z
- Last indexed by Roundhouse
- 2026-09-23 13:10Z
- Last enriched (probe, favicon, geo)
- 2026-09-22 18:15Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 405
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. 3 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 Tenjin 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=Tenjin' 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://tenjin.sh/api/x402-router, 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.