Compute SHA-256, SHA-512, SHA3-256 or BLAKE2b-512 digests from explicit UTF-8, c
Compute SHA-256, SHA-512, SHA3-256 or BLAKE2b-512 digests from explicit UTF-8, canonical base64 or hex bytes. Optional HMAC supports SHA-256/SHA-512 and supplied keys. Return hex or base64 with byte count. Maximum16KiB decoded input and1KiB HMAC key. No signing, encryption, password hashing or authenticity judgment.
Answeringour last check, 2026-10-19
1 of 1checks answered this week
907 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.mekler.ai/v1/data/digests/generate-digest
| Category | Everything else |
|---|---|
| Provider host | api.mekler.ai |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-19 | valid payment request | 402 | $0.003 | 907 ms |
Example input (from the provider)
{
"body": {
"algorithm": "sha256",
"data": "abc",
"encoding": "utf8",
"output_encoding": "hex",
"request_id": "digest-generation-example-001"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"algorithm": {
"default": "sha256",
"enum": [
"sha256",
"sha512",
"sha3-256",
"blake2b-512"
],
"type": "string"
},
"data": {
"maxLength": 32768,
"type": "string"
},
"encoding": {
"default": "utf8",
"enum": [
"utf8",
"base64",
"hex"
],
"type": "string"
},
"key": {
"maxLength": 2048,
"type": "string"
},
"key_encoding": {
"default": "utf8",
"enum": [
"utf8",
"base64",
"hex"
],
"type": "string"
},
"output_encoding": {
"default": "hex",
"enum": [
"hex",
"base64"
],
"type": "string"
},
"request_id": {
"pattern": "^[A-Za-z0-9_-]{16,64}$",
"type": "string"
}
},
"required": [
"data",
"request_id"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"algorithm": {
"type": "string"
},
"digest": {
"type": "string"
},
"input_bytes": {
"type": "integer"
},
"mode": {
"type": "string"
},
"output_encoding": {
"type": "string"
},
"status": {
"type": "string"
}
},
"required": [
"status",
"algorithm",
"mode",
"input_bytes",
"output_encoding",
"digest"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}