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Billing

When you first sign up with a professional email address, your account is automatically credited with $20. We will top up eligible accounts back to $20 each month. You can add money to your account in the Billing section of the Linkup app.
If you top up your account with $1,000 or more, we will add free credits to your account.
Please reach out to support@linkup.so for custom needs. Each time you make a successful request to our API endpoints, an amount is subtracted from your account. The amount deducted per call depends on the endpoint and parameters:

Search endpoint

For the Search endpoint, the cost depends on both the depth and outputType parameters. "sourcedAnswer" and "structured" invoke an LLM to compose or shape the response and carry a small premium over raw "searchResults".
depthoutputTypeCost
"fast" (beta) / "standard""searchResults"$0.005
"fast" (beta) / "standard""sourcedAnswer" / "structured"$0.006
"deep""searchResults"$0.05
"deep""sourcedAnswer" / "structured"$0.055

Fetch endpoint

For the Fetch endpoint, the cost depends on the renderJs parameter:
Call TypeCost
Without JS (renderJs: false)$0.001
With JS (renderJs: true)$0.005

Research endpoint

For the Research endpoint, the cost depends on the reasoningDepth parameter:
Call TypeCost
"S"$0.25
"M"$0.50
"L"$1.50
"XL"$2.50

Extract endpoint

For the Extract endpoint (closed beta), cost is variable and scales with crawl complexity. Most completed tasks fall in the $2–10 range. The exact amount charged is returned as creditsUsed in the task output. No credit is deducted for failed tasks. A minimum account balance of $10 is required to submit an extract task.

Tasks endpoint

Each task is billed exactly like the corresponding direct Search, Fetch, Research, or Extract call.

x402 payment protocol

You can also pay per request using the x402 protocol with USDC on Base — no account needed. x402 pricing follows the same per-request costs listed above. A minimum charge of $0.01 per request applies.
Payment MethodCurrencyBilling
API KeyUSDPrepaid credit balance
x402USD (USDC)Per-request on-chain settlement
Important note: No credit is subtracted when an error occurs, whether that is due to a missing parameter, an internal server error, or because we were unable to find anything relevant to your query.
If your account runs out, the API will respond with a 429 HTTP error. You can view your current consumption in the Billing section of the Linkup app.