Resource Missing (not_found)

HTTP 404Horizon RFC 7807 ProblemCode: not_found

Type URI: https://orion.stellarchain.io/horizon-errors/not_found

The requested URL route, account, ledger, transaction, operation, offer, liquidity pool, or claimable balance does not exist.

Quick Fix & Resolution

Verify the identifier (account G-address, 64-hex transaction hash, ledger sequence, or operation ID) and confirm the resource exists on Stellar Pubnet.

Response Payload & SDK Handling

RFC 7807 JSON Response

{
  "type": "https://orion.stellarchain.io/horizon-errors/not_found",
  "title": "Resource Missing",
  "status": 404,
  "detail": "The resource at the url requested was not found. This usually occurs for one of two reasons: The url requested is not valid, or no data in our database could be found with the parameters provided."
}

TypeScript (@stellar/stellar-sdk)

import { Horizon } from '@stellar/stellar-sdk';

const server = new Horizon.Server('https://pubnet.stellarchain.io');

try {
  const res = await server.ledgers().limit(10).call();
} catch (err: any) {
  const problem = err?.response?.data;
  if (problem?.type === 'https://orion.stellarchain.io/horizon-errors/not_found') {
    console.error('[not_found] HTTP 404:', problem.detail, problem.extras);
  }
}

Go (horizonclient)

client := &horizonclient.Client{
    HorizonURL: "https://pubnet.stellarchain.io",
}
_, err := client.Root()
if hErr := horizonclient.GetError(err); hErr != nil {
    if hErr.Problem.Status == 404 {
        log.Printf("Problem (%s): %s - extras=%v", hErr.Problem.Type, hErr.Problem.Detail, hErr.Problem.Extras)
    }
}

cURL Diagnostic

curl -i -s "https://pubnet.stellarchain.io/" \
  -H "Accept: application/hal+json"

Common Root Causes

• Querying an account (GET /accounts/{id}) that has not been funded on-chain or was merged.
• Querying a transaction hash (GET /transactions/{hash}) that was never included in a ledger.
• Querying a ledger sequence higher than history_latest_ledger or 0.
• Requesting a URL path that does not exist.

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