Caps individual contributions when requested, computes each project’s raw quadra
Caps individual contributions when requested, computes each project’s raw quadratic match as (sum sqrt(contribution))² minus direct contributions, and allocates a fixed matching pool proportionally. It does not detect Sybil identities, move funds, or decide project eligibility.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
873 msmedian answer time
$0.004listed price per call
$0.004price 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://gov.halowerk.com/v1/quadratic-funding-calc
| Category | Everything else |
|---|---|
| Provider host | gov.halowerk.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.004 | 873 ms |
Example input (from the provider)
{
"body": {
"contributions": [
{
"amount": 25,
"contributor_id": "alice",
"project_id": "public-data"
},
{
"amount": 100,
"contributor_id": "bob",
"project_id": "public-data"
},
{
"amount": 64,
"contributor_id": "alice",
"project_id": "audit-tools"
},
{
"amount": 36,
"contributor_id": "carol",
"project_id": "audit-tools"
}
],
"matching_pool": 1000,
"per_contribution_cap": 100
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"contributions": {
"items": {
"additionalProperties": false,
"properties": {
"amount": {
"maximum": 1000000000000000,
"minimum": 1e-06,
"type": "number"
},
"contributor_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"project_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"project_id",
"contributor_id",
"amount"
],
"type": "object"
},
"maxItems": 50000,
"minItems": 1,
"type": "array"
},
"matching_pool": {
"maximum": 1000000000000000000,
"minimum": 0,
"type": "number"
},
"per_contribution_cap": {
"maximum": 1000000000000000,
"minimum": 1e-06,
"type": "number"
}
},
"required": [
"contributions",
"matching_pool"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}