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POST
/
api
/
v1
/
swap-to-usdc
curl -X POST https://proficient-magpie-162.convex.site/api/v1/swap-to-usdc \
  -H "Authorization: Bearer captcha_live_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "amount_tokens": 1000000
  }'

{
  "amount_usdc": 950000,
  "swap_tx": "4xAbCdEfGh..."
}
Sell your earned CAPTCHA tokens back to USDC via Jupiter swap on Solana. Permission required: send

​
Request body

​
amount_tokens
number
required
Number of CAPTCHA tokens to sell (in base units).

​
Response

​
amount_usdc
number
Amount of USDC received.
​
swap_tx
string
Solana transaction signature for the swap.
curl -X POST https://proficient-magpie-162.convex.site/api/v1/swap-to-usdc \
  -H "Authorization: Bearer captcha_live_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "amount_tokens": 1000000
  }'

{
  "amount_usdc": 950000,
  "swap_tx": "4xAbCdEfGh..."
}