{"uid":"cap_7-OhtvTnlv5pxDYSQeOcf","slug":"token-observed-price-change-before-and-after-comparison-5bfd3d46","name":"Token Observed Price Change — Before and After Comparison","description":"Token observed price change — Before and after comparison: Before and after comparison for Token observed price change. Supplied token observations only. Deterministic calculation or caller-threshold verdict, not a live scan, safety proof or trade recommendation. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded before and after comparison report.","url":"https://market.datapackvibe.com/x402/assistant-bx-token-price-change-compare?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"object","default":{"current_price":1.32,"previous_price":1.1},"required":["current_price","previous_price"],"properties":{"current_price":{"type":"number","default":1.2,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0},"previous_price":{"type":"number","default":1,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0}},"additionalProperties":false},"before":{"type":"object","default":{"current_price":1.2,"previous_price":1},"required":["current_price","previous_price"],"properties":{"current_price":{"type":"number","default":1.2,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0},"previous_price":{"type":"number","default":1,"maximum":10000000000000000,"minimum":0,"exclusiveMinimum":0}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AUSUPYLZdHxx_dCn0AgsY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares two sets of token price observations (before and after) and returns a deterministic report of the price change between them.","exampleAgentPrompt":"Compare these two token price snapshots for me: before the event the price moved from $1.00 to $1.20, and after the event it moved from $1.10 to $1.32 — give me a before-and-after comparison report of the price change.","exampleUseCases":[{"title":"Token price impact after listing","prompt":"A token was priced at $0.50 before the exchange listing and moved to $0.60, then after listing it went from $0.60 to $0.85 — can you run a before-and-after price change comparison for me?"},{"title":"Price shift around a protocol upgrade","prompt":"Before the protocol upgrade, the token went from $2.00 to $2.10. After the upgrade it jumped from $2.10 to $2.75. Compare those two price change observations and tell me how much bigger the post-upgrade move was."},{"title":"Evaluating token pump-and-dump pattern","prompt":"I want to compare two price observations for a token: in the first window it moved from $0.10 to $0.15, and in the second window it moved from $0.15 to $0.08. Run a before-and-after comparison so I can see the magnitude of each move."}],"resultDescription":"Returns a bounded comparison report showing the price change (absolute and/or percentage) for both the 'before' and 'after' observation windows, along with a deterministic or caller-threshold verdict on how the two periods compare. Not a live scan or trade recommendation.","failureModes":["Missing or zero current_price or previous_price in either snapshot (violates exclusiveMinimum:0 constraint)","Price values exceeding the maximum allowed value (1e16)","Malformed JSON body or missing required fields in before/after objects","Payment failure or insufficient USDC balance for x402 protocol","Unexpected server error from the shared 50-profile engine"],"whenToPreferThis":"Use this endpoint when you have two discrete token price observation windows (each with a current and previous price) and need a fast, deterministic before-and-after comparison report. Ideal for event-driven analysis — e.g., comparing price movement before vs. after a token listing, news event, or protocol upgrade. Not suitable for live price feeds, real-time scanning, trade signals, or multi-asset batch comparisons.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T00:37:28.446Z","isFirstParty":false,"canonicalSlug":"token-observed-price-change-before-and-after-comparison-5bfd3d46"}