GasTanker

Gas infrastructure behind one API.

Monitor wallets, define funding policies, and track every execution without building chain-specific gas infrastructure yourself.

Read the API reference

Business concepts in. Chain complexity out.

The public API should expose concepts like:

  • Wallets
  • Policies
  • Funding
  • Thresholds
  • Balances
  • Execution status

Not provider-specific implementation details.

Example: create a policy

Request
POST /v1/policies
{
  "walletId": "wal_01J...",
  "type": "threshold",
  "threshold": "0.005",
  "targetBalance": "0.02",
  "limits": {
    "maxDailyUsd": "100"
  }
}
Response
{
  "id": "pol_01J...",
  "status": "active",
  "walletId": "wal_01J...",
  "network": "base",
  "gasAsset": "ETH"
}

Errors should tell you whether you need to act.

Bad
{
  "error": "no_route_available"
}
Better
{
  "error": {
    "code": "NO_ROUTE_AVAILABLE",
    "message": "GasTanker could not find an eligible route for this funding request.",
    "retryable": true,
    "actionRequired": false,
    "requestId": "req_01J..."
  }
}

Every error should answer:

  1. 1.What happened?
  2. 2.Will GasTanker retry?
  3. 3.Does the customer need to act?
  4. 4.Which request or operation does this refer to?

Amounts are explicit.

Financial infrastructure should never make developers guess units.

Responses should expose enough information to make unit handling obvious.

{
  "amount": {
    "baseUnits": "18000000",
    "decimals": 9,
    "formatted": "0.018",
    "asset": "SOL",
    "network": "solana"
  }
}

Redundant on purpose.

Unit confusion is too expensive to hide behind convenience.

Retrying an API request should not mean paying twice.

Every money-moving API operation uses idempotency.

If the client retries the same request, GasTanker returns the existing operation rather than creating a second movement.

“Submitted” is not the same as “complete.”

Funding operations expose their lifecycle.

created
→ validating
→ quoting
→ executing
→ submitted
→ confirming
→ settling
→ completed

If GasTanker cannot determine what happened:

unknown
→ resolving

not:

failed
→ retry blindly

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No private keys. No custody migration. No sales call.

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