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ozmium.org aero add
https://ozmium.org/v1/tx/lp/aero/add
answers 402
Aerodrome vAMM OZ/USDC addLiquidity calldata, with the ERC-20 approve steps for BOTH sides prepended when the live allowance is short. POST /v1/tx/lp/aero/add { owner, ozAmount, usdcAmount, slippagePct? }. UNITS: ozAmount and usdcAmount are HUMAN DECIMAL STRINGS (e.g. "1133780" OZ, "0.75" USDC), NOT atomic - the LP routes are the exception on this API, every other builder takes atomic. Full detail
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x53a05c0eed6cbf065f31aedbae7b0d8ce1a0f4db
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 81 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:24:47.951Z (21h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fozmium.org%2Fv1%2Ftx%2Flp%2Faero%2Fadd"