curl --request POST \
  --url https://api.brdg.now/v1/fastfill/transfers/{id}/submit \
  --header 'Content-Type: application/json' \
  --data '
{
  "signature": "0xedc90fdd27654dd49ac1087901450c9c5fdf444943f61faa8d787bee86304d821f06a5db4a67eddf5cf286014d6ec8bd33c64f9e072045a9f3c5e50cc28960fc1b"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    signature: '0xedc90fdd27654dd49ac1087901450c9c5fdf444943f61faa8d787bee86304d821f06a5db4a67eddf5cf286014d6ec8bd33c64f9e072045a9f3c5e50cc28960fc1b'
  })
};

fetch('https://api.brdg.now/v1/fastfill/transfers/{id}/submit', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.brdg.now/v1/fastfill/transfers/{id}/submit"

payload = { "signature": "0xedc90fdd27654dd49ac1087901450c9c5fdf444943f61faa8d787bee86304d821f06a5db4a67eddf5cf286014d6ec8bd33c64f9e072045a9f3c5e50cc28960fc1b" }
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "transferId": "6f1d2c0a-4b7e-4c55-9a1e-2f0e8c3b7d41",
  "status": "SUBMITTED",
  "txHash": "0x8f3c2b1a9d7e6f5a4b3c2d1e0f9a8b7c6d5e4f3a2b1c0d9e8f7a6b5c4d3e2f1a",
  "step": "main",
  "accepted": true,
  "verification": "pending"
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {},
    "retryAfterMs": 123
  }
}