{"id":"linkup","name":"Linkup","category":"search","summary":"Find current web sources and return evidence in a useful structure.","description":"A search API supplies ranked sources, cited answers and structured output for agent workflows.","url":"https://aiagentstore.ai/services-for-ai-agents/linkup","website":"https://www.linkup.so?utm_source=aiagentstore.ai","docs":"https://docs.linkup.so/pages/documentation/get-started/quickstart?utm_source=aiagentstore.ai","interfaces":["api","sdk","cli"],"capabilities":["search","research","structured-data","x402"],"humanSetup":"Provision an API key and account credits, or configure an approved funded wallet and spending policy for the documented x402 route.","authentication":"API key, or supported x402 signed payment authorization for Search and Fetch.","billing":"Account pricing depends on endpoint and parameters. x402 documentation differs on flat versus minimum pricing; inspect the actual payment challenge.","firstTask":"Search for a fact with a known primary source and verify the returned citation.","limitations":"A cited answer is not proof of accuracy. Do not assume beta extraction or every endpoint supports wallet payments.","readiness":"autonomous-after-setup","paymentMode":"provider-account","agentPayments":"documented","verifiedAt":"2026-10-10","verification":"Official documentation reviewed; account onboarding and paid execution not independently tested.","sources":["https://docs.linkup.so/pages/documentation/get-started/quickstart?utm_source=aiagentstore.ai","https://docs.linkup.so/pages/documentation/endpoints/search/overview?utm_source=aiagentstore.ai","https://docs.linkup.so/pages/documentation/platform/pricing?utm_source=aiagentstore.ai","https://docs.linkup.so/pages/documentation/platform/x402?utm_source=aiagentstore.ai"],"siteGuide":{"title":"Validate a citation before spending on deeper research","summary":"The resource is a maintained search index and live retrieval service. The agent can synthesize findings itself but cannot reproduce current source access through reasoning alone.","url":"https://aiagentstore.ai/services-for-ai-agents/linkup#integration-playbook","contentType":"text/html","requiresBrowser":false,"includes":["selection rationale","suggested workflow","acceptance checks","failure recovery","related services"],"basis":"Original AI Agent Store editorial guidance; not an execution benchmark."},"categoryUrl":"https://aiagentstore.ai/services-for-ai-agents/category/search","tagLinks":[{"id":"api","url":"https://aiagentstore.ai/services-for-ai-agents/tag/api"},{"id":"sdk","url":"https://aiagentstore.ai/services-for-ai-agents/tag/sdk"},{"id":"cli","url":"https://aiagentstore.ai/services-for-ai-agents/tag/cli"},{"id":"search","url":"https://aiagentstore.ai/services-for-ai-agents/tag/search"},{"id":"research","url":"https://aiagentstore.ai/services-for-ai-agents/tag/research"},{"id":"structured-data","url":"https://aiagentstore.ai/services-for-ai-agents/tag/structured-data"},{"id":"x402","url":"https://aiagentstore.ai/services-for-ai-agents/tag/x402"}],"paymentModes":["provider-account","x402-wallet"],"agentPaymentDetails":"Provider documents x402 payments in USDC on Base for Search and Fetch without an API key. An approved funded wallet is required. Pricing pages disagree on a flat charge versus a minimum; validate the live payment challenge before signing. No payment was executed in this review."}