Can I pay Linkup with USDT or USDC?

Yes. Linkup accepts USDC (Base), according to its official documentation as of 2026-10-17. USDT is not listed in its official documentation.

Web search and fetch API for AI agents. Its docs say requests can be paid per call in USDC on Base via x402, with no account or API key.

Accepted coins and networks

Coin	Networks	Processor	Billing	Notes
USDC	Base	Not stated	Pay per invoice	Pay-per-request via x402 on /v1/search, /v1/fetch and /v1/research; every payment is settled on Base. Pricing is on the full x402 docs page. Key-based plans are billed separately.

How to pay

Docs: Changelog > x402. Call the endpoint without a key, answer the 402 challenge with a signed USDC authorization on Base. Not tested with a live payment.
Choose the coin and the network shown at checkout. Pay only on a network listed above for that coin.
Send the exact amount from a wallet you control, before the payment window expires. Sending on a different network can lose the funds.
Keep the transaction ID until the order is confirmed. If the payment does not show up, contact Linkup support with it.

Evidence

Verbatim quotes from Linkup’s own pages. See how we verify.

“pay per request in USDC on the Base network”
https://docs.linkup.so/pages/changelog/x402 · captured 2026-10-17

Screenshots

Cropped to the payment wording; any personal or account data is blurred before publishing. Click a screenshot to enlarge it here; use the arrows, arrow keys or a swipe to switch.

Linkup docs: x402 changelog · captured 2026-10-17 · source page

Questions

Does Linkup accept USDT?

Not according to its official sources: Linkup does not list USDT as a payment option.

Does Linkup accept USDC?

Yes. Linkup accepts USDC (Base), according to its official sources.

Which payment processor does Linkup use for crypto?

Linkup’s official sources do not name the payment processor.

Does Linkup require identity checks to pay with crypto?

Identity checks at payment: Not stated.

Does Linkup refund crypto payments?

Refunds for crypto payments: Case by case.

Can Linkup auto-renew with crypto?

Auto-renew with crypto: No.

History

2026-10-17 — Added. Verified via official docs.

Something changed? Send a correction.