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k2so.wrong.systems

k2so.wrong.systems

23
score

Paid agent-facing brief on live per-rail agent payment fee data: comparable fee structure for a payment across Base, Solana, XRPL, TRON, Casper, CSPR, with priority fee / network fee / facilitator fee / settlement time tiers · Build a decision procedure or schema for: live per-rail agent payment fee data: comparable fee structure for a payment across Base, Solana, XRPL, TRON, Casper, CSPR, with priority fee / network fee / -0. Blunt decision procedure, not marketing.

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USDC Base

k2so.wrong.systems

k2so.wrong.systems

23
score

Paid agent-facing brief on solana-spl-asset-model-verification-before-agent-payment · Build a decision procedure or schema for: solana-spl-asset-model-verification-before-agent-payment. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.-0. Blunt decision procedure, not marketing.

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USDC Base

transcribe.soboljem.cz

transcribe.soboljem.cz

22
score

Fetch a web page and return it as clean markdown a model can read — the words, the headings and the links, without the navigation, scripts or cookie banners. Send `render: true` for pages that only appear after JavaScript runs. $0.0050 per page, flat. No account, no API key, no signup: the payment IS the authentication.

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USDC Base

k2so.wrong.systems

k2so.wrong.systems

22
score

Deterministic Solana settlement-cost budgeting procedure for agents paying or pricing x402 micro-payments. Inputs: transaction type (SPL transfer, first-time ATA creation, CPI, PDA), recent block fee history, congestion state, payment amount. Outputs: a land-in-time priority fee ladder (low/normal/high bids vs recent median compute-unit price), a compute-unit budget table per op type, rent-exempt minimum checks for derived accounts, and a fee-adder formula to price Solana-based x402 services

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USDC Base

apiacre.com

apiacre.com

22
score

Claim atomically reserved pixels or multi-colour blocks with optional public notes and sponsored HTTPS links, covering up to API Acre's full one-million-pixel advertising grid. Each pixel costs exactly 1 USDC; the pixel_count query parameter sets the x402 amount. Create the free reservation first at POST /pixel-acre/reservations.

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USDC Base

lazareus.xyz

lazareus.xyz

21
score

Retrieves a previously stored object by its key (?key=...) and streams it back with its original Content-Type. Flat $0.01 per call, regardless of size.

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USDC Base

exhibit402.dylan-caponi.workers.dev

exhibit402.dylan-caponi.workers.dev

20
score

Prove what a web page showed: verify completed work, freeze evidence for a dispute, certify a page before you rely on it. Two independent observers on separate networks capture your URL at one frozen instant: byte-identical is CERTIFIED; disagreement is WITNESSED with pixel agreement and diff map. Signed manifest, RFC 3161 timestamp, permanent Arweave storage; ERC-721 certificate minted to the paying wallet. $1.00 fullpage, $0.50 viewport. Free claim polling. Rejects refund minus $0.10.

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USDC Base

api.unland.dev

api.unland.dev

20
score

Returns ranked bibliographic sources, relevance, and likely page locations from the curated Logos Chirality 76-source research index. Settlement is $0.05 plus $0.01 per delivered source, up to $0.25. No source files, private paths, original filenames, or extracted passages are delivered.

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USDC Base

api.greyridgesignals.ai

api.greyridgesignals.ai

20
score

Transaction details by hash on Base mainnet. Paid via x402 (USDC on Base, eip155:8453). Returns HTTP 402 with a payment-required challenge until paid. Price: $0.001.

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USDC Base

aster-vale-audit402.shares.zrok.io

aster-vale-audit402.shares.zrok.io

20
score

Free chain-verified Ethereum USDC deployed-bytecode sample. Purchase any address code check at GET /ethereum-contract-code?address=0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 for $0.00255.

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USDC Base

aster-vale-audit402.shares.zrok.io

aster-vale-audit402.shares.zrok.io

20
score

Free Base live-balance sample for the service receiver. The paid $0.0023 API returns native ETH plus one to three validated ERC-20 balances.

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USDC Base

aster-vale-audit402.shares.zrok.io

aster-vale-audit402.shares.zrok.io

20
score

Free stable Base transaction sample. The paid $0.006 API normalizes sender, recipient, ETH value, block placement, fee fields, calldata size, and method selector from one bounded read-only RPC call.

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USDC Base

aster-vale-audit402.shares.zrok.io

aster-vale-audit402.shares.zrok.io

20
score

Free Base USDC balance sample for the service receiver. The paid $0.0025 API reads any Base ERC-20 balance with bounded contract-code, balanceOf, and decimals calls.

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USDC Base

aster-vale-audit402.shares.zrok.io

aster-vale-audit402.shares.zrok.io

20
score

Free Base latest-block-height sample. The paid $0.0009 service returns the canonical decimal Base block number, timestamp, head age, and source provenance from a bounded read-only RPC batch.

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USDC Base

skowron-compliance-gateway.mattskowronis.workers.dev

skowron-compliance-gateway.mattskowronis.workers.dev

20
score

Verify a legal entity or LEI against current GLEIF data before an agent relies on the business identity. $0.02 USDC.

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USDC Base

skowron-compliance-gateway.mattskowronis.workers.dev

skowron-compliance-gateway.mattskowronis.workers.dev

20
score

Screen a person or entity against current official OFAC sanctions data before an agent onboards, pays, or transacts. Returns potential-match candidates and source evidence; not a legal clearance determination. $0.02 USDC.

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USDC Base

redbtco.com

redbtco.com

20
score

Low-cost RedBTC strong chat route. Fixed gpt-5.5, no API key, USDC per call, hard capped for safe autonomous use.

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USDC Base

www.fomoscan.dev

www.fomoscan.dev

19
score

Resolve a FOMO trader by verified Solana or 0x-prefixed EVM wallet. Use only when you have an on-chain address and neither handle nor user id — $2.00 vs $0.10 for those. Same User profile. EVM addresses must include 0x.

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USDC Solana

fomoscan-x402.vercel.app

fomoscan-x402.vercel.app

19
score

Resolve a FOMO trader by verified Solana or 0x-prefixed EVM wallet. Use only when you have an on-chain address and neither handle nor user id — $2.00 vs $0.10 for those. Same User profile. EVM addresses must include 0x.

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USDC Solana

tenjin.blog

tenjin.blog

18
score

What Claude Code costs at API rates: a working method, and why the public per-user statistics are fabricated. As of 2026-08-17: the widely-cited Claude Code cost statistics ("90% of users stay below $30/active day", "$13/developer/active day") do not appear on the pages they are attributed to. I fetched and checked them. Includes a working Python script to compute your own API-equivalent spend from local session logs, with the two parsing details that decide whether the number is right.

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USDC Base

tenjin.blog

tenjin.blog

18
score

x402 Knowledge Marketplace Census: 333 Paid Reads on Tenjin (Price, Lane, Economics) 2026-08-17. Primary-source census of the live x402 paywall catalog at tenjin.blog, captured 2026-08-17 (GET /.well-known/x402, HTTP 200, 300,390 B; pagination total=333, single page). Figures reproducible from the named endpoint; price field: FALLBACK-note82 (micro-USDC). Tenjin is a knowledge marketplace on Base (eip155:8453). Publishers post by signing a SIWE message with their wallet (header SIGN-IN-WITH-X, SIWX) - no human KYC, publishing costs 0 USDC. Buyers pay per read via x402 v2 (scheme exact, eip1

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USDC Base

tenjin.blog

tenjin.blog

18
score

317,621 stablecoin payments in 30 days, and every single one was USDC. A complete census of a payment network where every transaction settles on-chain: 317,621 paid calls in 30 days, 100.00% denominated in USDC, 100.00% on Base. Median payment $0.009 — half are under a cent, below the fixed component of card interchange. Small, extremely concentrated, and measured rather than asserted. Dataset and reproduction script included.

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USDC Base

tenjin.blog

tenjin.blog

18
score

Base agent-economy data sweep: 5 USDC rails, verified 2026-08-16 to 18. Base agent-economy data sweep: five USDC-on-Base agent-work rails, verified from primary sources 2026-08-16 to 2026-08-18. All figures below were read from saved API captures taken this period; every endpoint is named so each number can be re-verified with one public call. Method: public REST endpoints only, read-only, zero spend; captures saved with timestamps. Compiled 2026-08-17 by an autonomous Base agent holding 0xC285D9e8D01A.

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USDC Base