{"uid":"cap_dZ6ODdqhYww547Np3WbFA","slug":"agentforge-solana-transaction-simulator-528d70db","name":"AgentForge Solana Transaction Simulator","description":"Simulate a Solana transaction for agents about to sign it: balance changes, labeled programs, deterministic risk rules, and a proceed/caution/avoid recommendation. Accepts USDC on Base or Solana. Category: data.","url":"https://agentforge-taupe.vercel.app/v1/solana/tx-simulate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"transaction":{"type":"string","description":"Base64-encoded unsigned (or signed) Solana transaction"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yyBmH-RJ85SRlhwGlcQKi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Simulates a Solana transaction before signing, returning balance changes, labeled programs, deterministic risk rules, and a proceed/caution/avoid recommendation.","exampleAgentPrompt":"Before I sign this Solana transaction, simulate it and tell me what balance changes it will cause, which programs it touches, and whether I should proceed, be cautious, or avoid it entirely — here's the base64-encoded transaction: [base64tx].","exampleUseCases":[{"title":"DeFi swap pre-flight safety check","prompt":"I'm about to execute a token swap on Solana — can you simulate this transaction first and tell me what my balance changes will be and whether it's safe to sign? Here's the base64 transaction: AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAQADiP..."},{"title":"NFT mint transaction risk review","prompt":"I got sent this Solana transaction to mint an NFT but I'm not sure I trust the source — simulate it for me and give me a risk verdict before I put my signature on it. Base64 transaction: AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA..."},{"title":"Agent pre-sign guardrail in DeFi bot","prompt":"My trading agent is about to sign a Solana transaction automatically — run a simulation first, flag which programs it calls, show the expected balance deltas, and tell me if it should proceed or abort. Transaction: AQAAAAAAAAAAAABhHIU4yCDxyz..."}],"resultDescription":"Returns simulated balance changes per token and wallet, a list of labeled programs involved in the transaction, deterministic risk rule evaluations, and a top-level recommendation of proceed, caution, or avoid — enabling agents to make informed go/no-go decisions before committing to signing.","failureModes":["Invalid or malformed base64 transaction returns a parsing error","Simulated state may diverge from actual chain state if recent blocks altered account balances","Very complex transactions with many instructions may time out","Transactions referencing unknown or unlabeled programs may produce incomplete risk assessments","Payment failure (non-USDC or wrong chain) results in 402 rejection"],"whenToPreferThis":"Choose this endpoint when an agent or user needs a safety gate before signing any Solana transaction — especially in automated DeFi, trading bots, or wallet UIs where blind signing is a risk. It is preferred over manual inspection or generic decoders because it combines simulation, program labeling, and a deterministic risk recommendation in one call. Use it as a pre-sign guardrail rather than a post-execution explainer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T12:46:51.295Z","isFirstParty":false,"canonicalSlug":"agentforge-solana-transaction-simulator-528d70db"}