{"id":"a81f4b9b-9cbb-4b43-8ed3-8f330851d734","shortId":"p64xN2","kind":"x402","title":"Pay-per-read article on pruning LLM context windows, served via x402 on Ethereum.","tagline":"Pay-per-read article on pruning LLM context windows, served via x402 on Ethereum.","description":"This endpoint hosts a paid article titled \"Every Token Is a Liability: Pruning the Context Window You Forgot You Were Paying For\" by Peter Hammond, published on the Every Good Work Codex platform. The Codex platform allows creators to sell content directly, with 100% of sales going to the creator's Ethereum wallet. Content is delivered behind a paywall using wallet-based authentication.\n\nThe article appears to cover strategies for pruning or managing LLM context windows to reduce token costs — a practical topic for developers and teams working with large language models. The endpoint URL includes the creator's Ethereum address (0x1C1Ee78b938Af5333D3a99BF659e9aa771d8A8D5) and a slug for the article.\n\nNotably, the probe did not return a standard x402 402 Payment Required challenge. The POST attempt returned 403 (Forbidden) and the GET attempt returned 401 (Unauthorized), which suggests the endpoint may use a non-standard authentication flow, may require wallet-based auth headers rather than the x402 protocol's typical 402 challenge, or may not currently be functioning as a standard x402 endpoint. No OpenAPI schema, pricing information, or documentation pages were found on the platform. The platform's landing page describes a creator-focused content marketplace built on Ethereum wallets.","tags":[],"capabilities":["paid-content","article-access","ethereum-wallet-auth","context-window-optimization","llm-cost-management"],"categories":["llm","content","crypto"],"synonyms":["context window pruning","token cost optimization","LLM context management","paid article","x402 content paywall","every good work codex","Peter Hammond"],"warnings":["Endpoint did not return a 402 Payment Required challenge — returned 403 on POST and 401 on GET, so x402 protocol compliance is unconfirmed","No OpenAPI schema or API documentation found on the platform","No pricing information available — cost per access is unknown","Platform docs, API, pricing, and README pages all return 404","Content and delivery mechanism could not be verified"],"endpointUrl":"https://codex.everygoodwork.io/0x1C1Ee78b938Af5333D3a99BF659e9aa771d8A8D5/every-token-is-a-liability-pruning-context-window","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x3Cb759D61A874e19b61962456e9F54439e39775D","scheme":"exact","network":"eip155:8453","mimeType":"text/markdown; charset=utf-8","description":"Peter Hammond is the author of Every Token Is a Liability. The article is about pruning the Context Window You Forgot You Were Paying For.","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true},"output":{"type":"text/markdown; charset=utf-8"}},"maxAmountRequired":"1000","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"name":"USD Coin","feePayer":"4mrVHqtDj5ctVbsFGPWSyXuykvw3K9U2rwsGfMKMvHeK","blockhashSlot":403202239,"recentBlockhash":"7ByWyhHJd7263PEXxgY16E2p5kXhCqnFLBun27eo3deg","blockhashValidUntil":1772250327},"payTo":"4mrVHqtDj5ctVbsFGPWSyXuykvw3K9U2rwsGfMKMvHeK","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","mimeType":"text/markdown; charset=utf-8","description":"Peter Hammond is the author of Every Token Is a Liability. The article is about pruning the Context Window You Forgot You Were Paying For.","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true},"output":{"type":"text/markdown; charset=utf-8"}},"maxAmountRequired":"1000","maxTimeoutSeconds":300}]},"qualityScore":"0.200","qualityRationale":"The endpoint did not return a standard x402 402 challenge on either GET or POST (returned 403 and 401 respectively). No schema, pricing, or documentation is available. The listing is effectively a stub based on the title, description, and platform landing 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'100':74 '401':164 '402':149,192 '403':157 'LLM context management' 'Peter Hammond' 'address':132 'allow':67 'appear':97 'articl':5,20,36,96,139 'article-access' 'attempt':155,162 'auth':183 'authent':94,176 'base':93,182 'behind':87 'built':230 'challeng':152,193 'codex':62,65 'content':71,84,228 'context':9,24,45,106 'context window pruning' 'context-window-optimization' 'cost':111 'cover':99 'creator':68,80,129,226 'creator-focus':225 'current':197 'deliv':86 'describ':223 'develop':116 'direct':72 'document':211 'endpoint':32,125,169,204 'ethereum':15,30,82,131,232 'ethereum-wallet-auth' 'everi':38,59 'every good work codex' 'flow':177 'focus':227 'forbidden':158 'forgot':48 'found':214 'function':199 'get':161 'go':77 'good':60 'hammond':55 'header':184 'host':33 'includ':127 'inform':209 'land':221 'languag':122 'larg':121 'liabil':42 'llm':8,23,105 'llm-cost-management' 'manag':104 'marketplac':229 'may':170,178,195 'model':123 'non':174 'non-standard':173 'notabl':140 'openapi':206 'page':212,222 'paid':35 'paid article' 'paid-content' 'pay':2,17,51 'pay-per-read':1,16 'payment':150 'paywal':89 'per':3,18 'peter':54 'platform':63,66,217,219 'post':154 'practic':113 'price':208 'probe':142 'protocol':189 'prune':7,22,43,102 'publish':56 'rather':185 'read':4,19 'reduc':109 'requir':151,179 'return':145,156,163 'sale':76 'schema':207 'sell':70 'serv':11,26 'slug':136 'standard':147,175,202 'strategi':100 'suggest':167 'team':118 'titl':37 'token':39,110 'token cost optimization' 'topic':114 'typic':191 'unauthor':165 'url':126 'use':90,171 'via':12,27 'wallet':83,92,181,233 'wallet-bas':91,180 'window':10,25,46,107 'work':61,119 'x402':13,28,148,188,203 'x402 content paywall'","prices":[{"id":"5dd303cf-96a8-4064-9f76-1c23b0bf07a5","listingId":"a81f4b9b-9cbb-4b43-8ed3-8f330851d734","amountUsd":null,"unit":"per_call","nativeCurrency":"USD 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