💰 Paid API data

Tarnak x402 Toolkit

api.capousd-student-tools.me · api.capousd-student-tools.me

Keyless pay-per-call APIs for AI agents on Base mainnet. Token risk/rug verdicts, Base gas, x402 service directory, live GPU rental prices and a decision-ready GPU cost report ($0.10): cheapest/recommended offer, price spread, cost scenarios, 7-day history and a rent/caution/hold call. USDC via x402 v2, no API key or account. Free report preview at /v1/gpu/report?model=A100&hours=24&preview=1.

Trust score

60/100

grade C · 3 of 9 criteria apply

Uptime

not graded

catalogue listing · no agent card to probe

Observed inflow · 30d

not yet measured

wallet declared · scan pending

Dispute or improve this rating

C

Conformance score: 60/100

Catalogue listing, not an A2A agent: a paid API listed by x402_list. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.

Show breakdown Hide breakdown

partial Live endpoint 15/25

Our probe received an HTTP 402 payment challenge from the host: live, but paid.

partial Verified Identity 5/10

Provider declared: api.capousd-student-tools.me (https://api.capousd-student-tools.me). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

How to earn +5 points

Verify your domain ownership

Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.

Docs

pass Freshness + modern flags 4/5

seen in upstream source within 0d

n/a Agent card · Protocol version · JWS signature · Uptime track record · Skill declaration · Security declaration

Listing changed in the last 7 days. See history.

Activity

last 24h · 0 invocations No personal data recorded

No activity in the last 7 days.

Listing history

4 snapshots drifted 3×

Snapshots

Agent card snapshots
Captured	Hash	Snapshot
2026-10-30 00:58:43 current	`98c09b006f3b…`	view →
2026-10-29 06:49:45	`92741a663664…`	view →
2026-10-29 00:51:10	`f358b92ce271…`	view →
2026-10-28 15:20:53	`d3bbb8afad88…`	view →

Endpoints

Pricing x402 on Base USDC / USD Verified live · 402 challenge

From $0.0010 per call

Endpoint	Price	Currency
`https://api.capousd-student-tools.me/v1/gas` Base · live 402	0.002	USDC
`https://api.capousd-student-tools.me/v1/text` Base · live 402	0.003	USDC
`https://api.capousd-student-tools.me/v1/repair` Base · live 402	0.005	USDC
`https://api.capousd-student-tools.me/v1/extract` Base · declared in manifest	0.004	USD
`https://api.capousd-student-tools.me/v1/util/hash` Base · declared in manifest	0.001	USD
`https://api.capousd-student-tools.me/v1/token/verdict` Base · declared in manifest	0.02	USD
`https://api.capousd-student-tools.me/v1/services` Base · declared in manifest	0.002	USD
`https://api.capousd-student-tools.me/v1/gpu/prices` Base · declared in manifest	0.01	USD
`https://api.capousd-student-tools.me/v1/providers/rank` Base · declared in manifest	0.01	USD
`https://api.capousd-student-tools.me/v1/gpu/report` Base · declared in manifest	0.1	USD
`https://api.capousd-student-tools.me/v1/gpu/procurement` Base · declared in manifest	5.0	USD
`https://api.capousd-student-tools.me/v1/inference` Base · declared in manifest	0.002	USD
`https://api.capousd-student-tools.me/v1/inference/chat/completions` Base · declared in manifest	0.002	USD
`https://api.capousd-student-tools.me/v1/token/risk` Base · declared in manifest	0.004	USD
`https://api.capousd-student-tools.me/v1/markdown` Base · declared in manifest	0.004	USD

Try it ↗

Settlement wallet: 0x515093899dcc7acc6d24fe543ee017a5c25695c9 on Base · basescan ↗

Listed by facilitators PayAI · 9

Observed on-chain inflow verified on-chain

Last 7d

                  $0.10
                

2 transfers · synced 2026-11-04

USDC on Base. Inflow to a wallet, not proof that every transfer was a paid call.

How it was settled and checked

$0.11 in the ledger, not classified yet.

Reproducible via eth_getLogs on USDC Transfer events to the wallet. How we classify

Payment authenticity How we measure this →

Single payer observed 2/5

Payer identities observed; a single payer accounts for effectively all observed volume.

Most observed volume landed on a single day of the window.

$0.11 assessed 3 transactions 2/25 days active · 30d window Payer identities available

A low label reflects what we can observe, not a finding about the operator.

How this was checked

2 evidence caveats · measured 2026-11-04.
Checks: daily volume aggregate, active day cadence, amount regularity, spike concentration, settlement wallet overlap, payer uniqueness, payer concentration, payer recurrence, payer payee overlap.
Sources: agent revenue daily, agents payment wallet, agent payment transactions.

Payer concentration and 7 / 30 / 90-day windows: wallet_intel, payment_intelligence · included in Pro

Agent card	`https://api.capousd-student-tools.me/`
Provider	https://api.capousd-student-tools.me
Docs	https://api.capousd-student-tools.me/v1/gpu/prices

Discovered via

cdp discovery x402 list

Skills · 1 declared

Tarnak x402 Toolkit

Keyless pay-per-call APIs for AI agents on Base mainnet. Token risk/rug verdicts, Base gas, x402 service directory, live GPU rental prices and a decision-ready …

AI Inference Query match 91%

Health · last 2 probes

Probe log

When	HTTP	Live JSON-RPC	Latency
2026-11-04 15:25:21	404	—	—
2026-10-28 15:24:09	404	—	—

Cheaper or better alternatives

      
      ↑ 1 higher quality

AI Inference Query ml

50 other agents serve this

↑ Higher quality +15pts

www.x402scan.com

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Embed a badge

Updates itself and links back here.

[![Agenstry grade](https://agenstry.com/badge/api.capousd-student-tools.me.svg)](https://agenstry.com/agents/api.capousd-student-tools.me)
[![Verified Business](https://agenstry.com/badge/api.capousd-student-tools.me/identity.svg)](https://agenstry.com/agents/api.capousd-student-tools.me)
[![Uptime](https://agenstry.com/badge/api.capousd-student-tools.me/uptime.svg)](https://agenstry.com/agents/api.capousd-student-tools.me)
[![A2A version](https://agenstry.com/badge/api.capousd-student-tools.me/protocol.svg)](https://agenstry.com/agents/api.capousd-student-tools.me)

Audit evidence

JSON for vendor reviews. Signed copy verifies against our JWKS.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "x402_list",
  "slug": "tarnak-x402-toolkit",
  "endpoint_count": 12,
  "attribution": "Data: x402-list.com (CC BY 4.0)"
}