Bounty Engineer Agent Run Ledger

x402

Bounty Engineer Agent Run Ledger is a paid API for AI agents from bounty-engineer-x402-prod.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-10).

Append, checkpoint, or read structured state events for an autonomous agent run, enabling durable in-progress state tracking across agent execution sessions.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-buyable infrastructure for autonomous agents: API cost routing, margin optimization, funding-rate data, webpage extraction, result verification, spend controls, retry planning, state, tender search and GitHub bounty intelligence.

Output

Returns a JSON object with ok: true, the operation name (append/checkpoint/read), mode set to 'agent_run_ledger', a data_hash of the stored payload, and a stream_id identifying the ledger stream for this run.

Example use cases

Persist mid-task agent state

“My agent just finished a subtask in run 'run-xyz789' — append an event of type 'subtask_complete' with the result data to the ledger under namespace 'bounty-hunter', with a 120-second TTL, so it can pick up where it left off.”

Recover agent run history

“Read the last 50 events from agent run 'run-def456' in the 'api-router' namespace so I can reconstruct what my agent did before it crashed.”

Checkpoint long-running agent

“Create a checkpoint in the ledger for run 'run-gh789' in namespace 'spend-optimizer' so the agent's current state is saved and it can resume from this point if it times out.”

Technical details

Endpoint

POSThttps://bounty-engineer-x402-prod.onrender.com/v1/run-ledger?utm_source=zero.xyz

When to prefer

Choose this endpoint when an autonomous agent needs durable, scoped, per-run state storage with append-log semantics — particularly within the Bounty Engineer x402 ecosystem where runs are already paying per-call via USDC micropayments. Prefer over generic KV stores when you need event-type tagging, TTL-based expiry, stream identity, and cryptographic data hashes per event.

Side effects

Missing or invalid run_id returns an error
op enum value not in [append, checkpoint, read] causes validation failure
ttl_seconds below 30 rejected
limit above 100 rejected
Run not found when reading returns empty or 404-equivalent
Payment not included or insufficient USDC triggers x402 payment-required response
Expired ledger entries may not be returned on read

Input

Schema · Request body

Field	Type	Description
op	string
data	—
limit	integer
run_id	string
event_id	string
event_type	string
ttl_seconds	integer
namespace_key	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "op": "append",
    "mode": "agent_run_ledger",
    "data_hash": "...",
    "stream_id": "..."
  }
}

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