# Delx Commerce — Connection Header Tokenize

> Delx Commerce — Connection Header Tokenize is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).

Parses and tokenizes an HTTP Connection header string into its individual directives, returning normalized tokens without retaining input data.

## Facts

- Endpoint: POST https://commerce.delx.ai/api/v1/x402/connection-header-tokenize?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/delx-commerce-connection-header-tokenize-39d1467b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HDsaq4eD_GpE8gUpAsuIB

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability delx-commerce-connection-header-tokenize-39d1467b -d '<json body>'
```

Example prompt: Can you parse this HTTP Connection header value for me — 'keep-alive, upgrade' — and tell me what the individual tokens are and the normalized form?

## When to prefer this

Use this endpoint when you need a fast, verifiable, privacy-preserving parse of an HTTP Connection header with cryptographic evidence of non-retention. Prefer it over writing custom parsing logic when you need an auditable result with an input hash for compliance or debugging pipelines. Particularly suited for AI agents that need deterministic, pay-per-use HTTP utility operations without account setup.

## Known failure modes

- Input header string exceeds 8192 character limit — request rejected
- Malformed or empty header value may return empty token array
- Payment failure via x402 protocol prevents API execution
- Network timeout before processing completes

## How this service works

Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.

## Output

Returns a JSON object with a 'result' containing an array of parsed tokens and a normalized header string, plus an evidence block confirming no data was retained (retained: false), the SHA-256 hash of the input, and the count of external calls made (always 0). Also includes schema identifier, status ('pass'), and operation name.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "header": {
   "type": "string",
   "maxLength": 8192,
   "description": "Header supplied to Connection Header Tokenize; used only for this bounded calculation and processed in memory without retention."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": {
   "tokens": [
    "keep-alive",
    "upgrade"
   ],
   "normalized": "keep-alive, upgrade"
  },
  "schema": "delx/util-connection-header-tokenize/v1",
  "status": "pass",
  "evidence": {
   "retained": false,
   "input_sha256": "99b08b769289cbe264239a5044acfa6f6dcef329041f1f176821a5c475eb798f",
   "external_calls": 0
  },
  "operation": "web_reliability:connection_header_tokenize"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/delx-commerce-connection-header-tokenize-39d1467b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from commerce.delx.ai](https://www.zero.xyz/host/commerce.delx.ai/llms.txt)