Forest Agent Tools – Blob Decoder

x402

Forest Agent Tools – Blob Decoder is a paid API for AI agents from http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-22).

Decodes an opaque encoded string (JWT, Base64, Base64URL, gzip, hex, Brotli) into readable JSON, text, or binary evidence using deterministic local rules

Price / call$0.003

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-readable contract for active Forest paid capabilities. Unsigned paid calls return HTTP 402 with a PAYMENT-REQUIRED x402 challenge.

Output

Returns the decoded content as readable JSON, plain text, or binary data. For JWT inputs, claims are returned as-is and explicitly marked as unverified. Multi-layer decoding is applied up to the specified max_layers limit. The response indicates the detected encoding type and the decoded result at each layer.

Example use cases

Inspect JWT claims from API response

“I got this JWT back from an API and I need to see what's inside the payload — can you decode it with auto-detection, up to 2 layers? Here it is: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX2lkIjoiYWJjMTIzIn0.signature”

Unwrap nested base64 encoded config

“This config value came back triple-encoded in base64 — can you decode it automatically with up to 4 layers and show me the underlying JSON? The blob is: WlhaaGJYQnNaUT09”

Decode gzip-compressed log payload

“I have a compressed gzip payload that I need to read — can you auto-decode it with up to 2 layers so I can see the plain text? The blob is: H4sIAAAAAAAAA0rNK8hJLQYAAAD//w==”

Technical details

Endpoint

POSThttps://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/blob/decode?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need deterministic, local decoding of encoded blobs (JWT, Base64, Base64URL, gzip, hex, Brotli) without sending data to an external AI model. It is ideal when you need reproducible, rule-based unwrapping of opaque values, especially for JWT claim inspection (decode-only, no verification), multi-layer encoded configs, or compressed payloads. Prefer it over general-purpose LLM decoding when auditability and determinism matter.

Side effects

Ambiguous encoding (e.g. hex vs Base64 overlap) causes auto-mode to halt and return an error requiring an explicit hint
Blob exceeds 180,000 character maximum — request rejected
max_layers value out of range (must be 1–4) causes validation failure
Brotli or hex decoding requested without an explicit hint in auto mode — returns error asking for hint
Malformed or truncated input that cannot be decoded — returns decoding error
Unsupported encoding type not covered by deterministic rules — returns unknown encoding error

Input

Schema · Request body

Field	Type	Description
blob	string	Public blob value used to scope this lookup.
hint	string	Public hint value used to scope this lookup.
max_layers	integer	Public max layers value used to scope this lookup.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "data": {
      "scope": "caller_supplied_blob_decode_only",
      "layers": [],
      "decoded": false,
      "truncated": false,
      "final_json": null,
      "final_kind": "json",
      "final_text": "example",
      "final_bytes": 0,
      "stop_reason": "already_json",
      "final_base64": "example",
      "ambiguity_candidates": []
    },
    "meta": {
      "cache": "miss",
      "provider": "node-buffer",
      "checked_at": "2026-01-01T00:00:00.000Z",
      "duration_ms": 0
    },
    "version": "1",
    "capability": "blob.decode"
  }
}

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