{"uid":"cap_CB7wPRWKRAaeexK-v7xlq","slug":"vextorium-arxiv-search-1533a894","name":"Vextorium arXiv Search","description":"244 pay-per-call data APIs for AI agents: official statistics and economy (ECB, Fed, Eurostat, World Bank, SEC, BOE, INE), crypto prices and sentiment, Spanish public data, compliance (sanctions, VAT, IBAN, LEI), science, weather, web and developer tools and local AI text tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/arxiv-search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"order":{"enum":["recent","relevance"],"type":"string"},"query":{"type":"string"},"category":{"type":"string"}}},"responseSchema":{"type":"json","example":{"query":"agent payments","total":438,"source":"arXiv API (metadatos CC0). Thank you to arXiv for use of its open access interoperability.","articles":[{"id":"2610.01756v1","pdf":"https://arxiv.org/pdf/2610.01756v1","link":"http://arxiv.org/abs/2610.01756v1","title":"SoK: Decentralized Agent Economic Infrastructure","authors":["Rui Sun","Xihan Xiong"],"summary":"Decentralized agent economies increasingly build a single task from protocols that were designed and secured separately. This creates a simple problem: a workflow can look correct at each step and still produce the wrong outcome. For example, a correct escrow may release payment on an authorized app…","updated":"2026-10-01","published":"2026-10-01","categories":["cs.CR","cs.AI"]},{"id":"2609.38914v1","pdf":"https://arxiv.org/pdf/2609.38914v1","link":"http://arxiv.org/abs/2609.38914v1","title":"Risk-Aware Adaptive Evaluation: Finding High-Impact Failures Under Limited Budgets","authors":["Priyanath Maji","Spandan Ghose Chowdhury"],"summary":"Evaluating interactive agents is expensive. Agent behavior is stochastic, so reliability must be measured over repeated trials, but failures are rare and differ widely in how much they matter. 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