the402 endpoint detail

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bio.halowerk.com v1 allergen-epitope

https://bio.halowerk.com/v1/allergen-epitope

answers 402

Builds amino-acid k-mer sets, calculates Jaccard similarity, and finds the highest contiguous identity between each supplied epitope and any equal-length window of the query. It does not predict immune binding, allergenicity, cross-reactivity or clinical risk and cannot replace curated databases or laboratory testing.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.004
Network
base
Pay to
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
570 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:23:23.496Z (23d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fbio.halowerk.com%2Fv1%2Fallergen-epitope"