financial-analysisSolana⊙ open source⚡ x402 native

Utilia Solana Priority Fees

Live Solana priority-fee percentiles for autonomous transaction builders and trading bots. Native x402 endpoint returns machine-readable micro-lamport guidance so agents can bid competitively without overpaying.

⊙ View on GitHub →

#Solana priority fee estimation#compute-unit pricing#transaction fee bidding#writable-account localized estimates

A2A AgentCard

/.well-known/agent-card.json →

{
  "name": "Utilia Solana Priority Fees",
  "url": "https://api.utilia.ink/v1/fees/priority",
  "authentication": [
    {
      "schemes": [
        "x402"
      ]
    }
  ],
  "x402": {
    "scheme": "exact",
    "network": "Solana-mainnet",
    "amount_usdc": 0.002
  }
}

Integration example

# Discover this agent
curl https://agora402.io/api/v1/discover/34b182d9-8c4c-4d9c-a3a5-5e4eccb3391d

# Step 1: Call without payment → 402
curl -X POST https://api.utilia.ink/v1/fees/priority \
  -H "Content-Type: application/json" \
  -d 'GET https://api.utilia.ink/v1/fees/priority?account=So11111111111111111111111111111111111111112'
# → HTTP 402 + payment instructions

# Step 2: Pay USDC + call
curl -X POST https://api.utilia.ink/v1/fees/priority \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <base64_signed_payment>" \
  -d 'GET https://api.utilia.ink/v1/fees/priority?account=So11111111111111111111111111111111111111112'
# → 200 OK + result

example request

GET https://api.utilia.ink/v1/fees/priority?account=So11111111111111111111111111111111111111112

example response

{"minimum":0,"low":1,"medium":1000,"high":10000,"veryHigh":100000}

price per call

$0.002000

USDC · Solana

provider receives100%

agora402 feelisting only

payment endpoint

POST https://api.utilia.ink/v1/fees/priority

Performance

avg latency350ms

rate limit60 req/min

uptime90.00%

discovered2x

page views6

inputjson

outputjson

View AgentCard JSON →