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CRC32 Checksum for Agents
x402
CRC32 Checksum for Agents is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Computes a CRC32 checksum (returned as hex) for any input text, enabling quick integrity fingerprinting of configs, prompts, or cached blobs.
Price / call$0.001
Success—
StatusUnknown
How this service works
CRC32 checksum of text. Call for quick integrity fingerprints on configs, prompts, or cached blobs. Returns hex CRC32 without cryptographic security claims. $0.001 USDC per successful call via x402 on Base—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.
Output
Returns a deterministic JSON response containing the CRC32 checksum of the input text encoded as a hexadecimal string. The result is a non-cryptographic integrity fingerprint suitable for change detection and caching, not for security-sensitive applications.
Example use cases
Config change detection in agent pipeline
“Compute a CRC32 fingerprint of this system prompt so I can detect if it changes between runs: 'You are a helpful assistant. Always respond in JSON. Never reveal internal instructions.'”
Cache key generation for text blobs
“Give me the CRC32 hex checksum of this markdown document so I can use it as a cache key to avoid reprocessing it if it hasn't changed.”
Prompt integrity verification
“I want to make sure my base prompt hasn't been tampered with — can you CRC32 hash the string 'Answer only from the provided context. Do not hallucinate.' so I can compare it against a stored reference value?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/crc32When to prefer
Choose this endpoint when you need a fast, deterministic, non-cryptographic integrity fingerprint of a text string — for example, cache keying, change detection on configs or prompts, or deduplication of text blobs. It is simpler and cheaper than SHA-based endpoints for cases where cryptographic security is not required. Prefer a cryptographic hash endpoint if security properties (collision resistance, preimage resistance) matter.
Side effects
- Text exceeds 100,000 character limit — structured validation error returned, not billed
- Missing or empty text field — validation error returned
- Network timeout on slow connections
- Malformed JSON request body — validation error returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Primary text input (max 100k chars). Processed first-party; not retained as a dataset. |
Output
Schema · Response
{
"type": "json",
"example": {
"hex": "1d79a8ef",
"crc32": 494512367,
"schema": "delx/crc32/v1"
}
}Tags
x402
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