{"uid":"cap_2gK7GJvM0scjD_H5uPyeQ","slug":"one-engine-encoding-pack-tier-4-18f8e61f","name":"ONE Engine Encoding Pack Tier 4","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v2/encoding-pack/t4?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string"}}},"responseSchema":{"type":"json","example":{"tier":4,"result":"Tier-dependent output"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0018","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0018/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0018","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0018","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OOgBRguLk560635nHnNqB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0018","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Encodes input text using a tier-4 encoding transformation via a pay-per-call utility API on Base.","exampleAgentPrompt":"Encode the following text using the tier-4 encoding pack: 'Hello, this is my message to encode.'","exampleUseCases":[{"title":"Agent pipeline data encoding","prompt":"Take this raw text output from my agent — 'Order confirmed: item SKU-8821, qty 3, warehouse B' — and encode it using the tier-4 encoding pack so it can be passed to the next stage."},{"title":"Compact encoding for storage","prompt":"I have a string I need to pack down using tier-4 encoding before storing it: 'user_id=4821&session=abc123&timestamp=1720000000'. Can you run it through the t4 encoding pack?"},{"title":"Encoding test for format validation","prompt":"Run this sample text through tier-4 encoding to see what the output format looks like: 'The quick brown fox jumps over the lazy dog.'"}],"resultDescription":"Returns a JSON object containing the tier number (4) and a tier-dependent encoded result string derived from the input text.","failureModes":["Missing or empty 'text' field returns an error or empty result","Payment failure via x402 protocol blocks the call","Malformed JSON request body causes a 400-level error","Cloudflare Worker timeout if input text is excessively large","Unexpected tier-4 output format if the encoding schema changes"],"whenToPreferThis":"Choose this endpoint when you need tier-4 level text encoding specifically from the ONE Engine encoding pack suite, particularly in autonomous agent workflows that support x402 micropayments on Base and need a low-cost per-call pricing model.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:33.769Z","isFirstParty":false,"canonicalSlug":"one-engine-encoding-pack-tier-4-18f8e61f"}