x402 census · api.delx.ai · d30a49ef4b76 · JSON

POST /api/v1/x402/eth-to-wei

live

Scale ether amounts into wei integer strings for transfers and tx value. Call when preparing value fields, allowances, or transfers denominated in ETH. Returns wei integer string and eth input as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production con…

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://api.delx.ai/api/v1/x402/eth-to-wei

Method POST

Price $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2

Seller api.delx.ai

Catalogs cdp (row updated 2026-09-19), payai (row updated 2026-08-27)

Listed since (lower bound) 2026-08-27 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-19

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain)

Category (keyword rule) chain-rpc

Templated path no

x402Version in catalog 2

Service name / tags Ether to Wei Converter · x402, agents, local-first, micro-usdc, pay-per-call

Unpaid probe (census of 2026-09-30)

Field Value

Probed at 2026-09-30T23:25:56.370Z

HEAD 404

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"1000","payTo":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer Payment id="8REn0NnvgDjyCkdXDwpEy9t453E9

Content type / server / CORS application/json / n/a / *

Latency 3,273 ms

Error Payment required: $0.001 USDC for util_eth_to_wei

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 18

Payments 39

USDC volume $0.14

Median payment $0.001

First / last payment 2026-08-06 / 2026-09-30

Sampler-shaped share of payments 94.9%

Payers that are not samplers 1

Source forensics-2026-09-30

Address 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "eth": 0.05
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "eth": 0.05,
   "schema": "delx/util-eth-to-wei/v1",
   "wei": "50000000000000000"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.delx.ai/api/v1/x402/eth-to-wei' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/d30a49ef4b76/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d30a49ef4b76"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.delx.ai.