Discover / x402-data-api.sigrunner.workers.dev

x402-data-api.sigrunner.workers.dev

■ Challenge detected

Spot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.

x402
Base
USDC

Listed price: $0.004
Challenge detected: 8 of the last 8 checks
Median response: 837 ms
Last checked: 19 Oct, 06:24 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://x402-data-api.sigrunner.workers.dev/crypto/prices
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

13 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://x402-data-api.sigrunner.workers.dev

GET/chain/gas-price$0.001Current Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd.
GET/chain/block-number$0.001Current Base mainnet block number.
GET/crypto/prices$0.004Spot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.
GET/pm/markets$0.005Query live Polymarket prediction markets — question, outcomes, live prices, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category tags, liquidity, end date. Ranked by volume24hr; filter by keyword.
GET/chain/token-balance$0.001ERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_formatted.
GET/chain/wallet$0.003Wallet bundle: ETH balance + balance_usd + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base mainnet address, in one call.
GET/chain/code$0.001Contract-code check for a Base mainnet address (is_contract + code size + EIP-7702 delegated-EOA detection).
GET/defi/yields$0.001Top DeFi lending/LP yields — project, chain, symbol, pool id, APY breakdown + 1d/7d/30d APY trend, IL risk (incl. il7d), exposure, reward/underlying tokens, outlier flag, mu/sigma, DefiLlama stability forecast, TVL. Filter by project, chain, or stablecoin-only; sort by TVL (default) or risk-adjusted APY (apy/sigma).
GET/chain/tx$0.001Transaction details by hash on Base mainnet.
GET/crypto/funding$0.004Cross-venue Hyperliquid+OKX+dYdX perp funding rates — top coins by 24h notional volume, per-venue funding + arb spread (bps) + cheapest-long/richest-short venue, premium/basis, annualized_hl, annualized_okx, LONGS_PAY/SHORTS_PAY/NEUTRAL signal, next_funding_ts, mark/oracle prices, open interest.
GET/chain/receipt$0.001Transaction receipt by hash on Base mainnet: status, gas used, full logs, L1 fee breakdown, l1_fee_usd/total_fee_usd.
GET/chain/balance$0.001ETH balance of a Base mainnet address, incl. balance_usd.
GET/gate/swap$0.01Pre-trade GO / HOLD / BLOCK gate for an autonomous Base trading agent: pass token, side (buy|sell) and notional_usd; get a one-word decision plus reason in one fast call. Combines honeypot/sellability simulation, admin-control checks and Uniswap v3 WETH-pool liquidity vs. your trade size (price-impact guard).

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 13 of 13 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-data-api.sigrunner.workers.dev

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.19 Oct 2026

All 8 checks

When (UTC)	Result	HTTP	Response
19 Oct, 06:24 UTC	Challenge detected	402	867ms
13 Oct, 20:45 UTC	Challenge detected	402	503ms
11 Oct, 19:34 UTC	Challenge detected	402	876ms
10 Oct, 03:32 UTC	Challenge detected	402	582ms
8 Oct, 21:32 UTC	Challenge detected	402	807ms
7 Oct, 18:39 UTC	Challenge detected	402	1364ms
6 Oct, 15:34 UTC	Challenge detected	402	1107ms
29 Sept, 17:03 UTC	Challenge detected	402	737ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 19 Oct, 06:24 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402-data-api.sigrunner.workers.dev?

Its listed price is $0.004.

What payment terms does x402-data-api.sigrunner.workers.dev advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402-data-api.sigrunner.workers.dev listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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