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Kyber Key Encapsulation MCP
x402
Kyber Key Encapsulation MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.35/call, status unknown (last checked 2026-10-16).
Performs Kyber post-quantum key encapsulation, generating or processing cryptographic key pairs using the Kyber KEM algorithm for quantum-resistant secure key exchange.
Price / call$0.35
Success—
StatusUnknown
How this service works
The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.
Output
Returns the result of the Kyber key encapsulation operation, typically including an encapsulated ciphertext and/or shared secret bytes that can be used to derive symmetric encryption keys, along with any relevant metadata about the KEM operation performed.
Example use cases
Quantum-safe key exchange setup
“I need to perform Kyber key encapsulation on this recipient's public key so we can establish a post-quantum secure shared secret for our encrypted messaging session — here's the public key data in base64.”
Post-quantum TLS handshake keying
“Can you run a Kyber KEM encapsulation using this server's public key to derive a shared secret for our quantum-resistant TLS handshake? The key data is: [base64 key bytes].”
Hybrid encryption key wrapping
“I want to encapsulate a symmetric encryption key using Kyber post-quantum KEM so that only the holder of the matching private key can recover it — please process this key material and return the ciphertext and encapsulated secret.”
Technical details
Endpoint
POSThttps://api.m2mcent.com/kyber-key-encapsulation-mcp/api/process?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need post-quantum (PQC) key encapsulation using the CRYSTALS-Kyber (FIPS 203 / ML-KEM) algorithm, particularly in agentic workflows requiring quantum-resistant key exchange without standing up your own cryptographic infrastructure. Prefer this over classical RSA or ECDH key exchange when preparing for quantum-threat scenarios or when compliance requires NIST PQC standards.
Side effects
- Invalid or malformed public key data causes encapsulation failure
- Unsupported Kyber variant (e.g. wrong key length for Kyber-512 vs 768 vs 1024) returns an error
- Empty or missing data field returns a 400 bad request
- Payment not completed or insufficient USDC balance returns 402
- Malformed base64 or binary encoding in input causes parsing error
Output
Schema · Response
{
"type": "json",
"example": {
"success": true
}
}Tags
x402
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