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The API MVP is intentionally small. It covers backend quote-driven swap creation and status polling.

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Current limits

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Integration defaults

  • Poll active swaps every 30 seconds.
  • Store the LightSwap swap ID with your own order ID.
  • Treat all amounts as decimal strings.
  • Refresh supported assets regularly instead of hardcoding asset lists.

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Fees and network costs

The API returns the route estimate and deposit instructions for the swap. Wallet, gas, and blockchain network costs are separate third-party costs and can change outside LightSwap.

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Support handoff

When you contact support, include:
  • Your externalId, if you sent one.
  • LightSwap swap ID, if one exists.
  • Deposit transaction hash, if the user has already sent funds.
Do not include private keys, seed phrases, or full internal customer records.