ProofDraw

Provably-fair random selection REST API that seals entry lists with SHA-256 commitments bound to future drand (League of Entropy) randomness rounds, producing publicly verifiable draw receipts with client-side open-source verification.

ProofDraw publishes 1 API on the APIs.io network. Tagged areas include randomness, provably-fair, drand, verifiable-randomness, and cryptography.

🌐 Visit website 📡 Source on GitHub
17.4/100 emerging Agent 17/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
1 APIs
randomnessprovably-fairdrandverifiable-randomnesscryptographyrafflegiveawaysweepstakeslotteryverificationwebhooksrest-api

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 17.4/100 · emerging
Contract Quality 9.4 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 8.0 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/proofdraw: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

ProofDraw API

Provably-fair random selection REST API (v1) covering draw lifecycle, account, health, and public verification artifacts. HMAC-signed webhooks. Bearer API-key auth.

Source (apis.yml)

apis.yml Raw ↑ 
name: ProofDraw
description: Provably-fair random selection REST API that seals entry lists with SHA-256 commitments bound to future drand
  (League of Entropy) randomness rounds, producing publicly verifiable draw receipts with client-side open-source verification.
url: https://proofdraw.apievangelist.com/apis.yml
created: '2026-07-13'
modified: '2026-07-13'
specificationVersion: '0.21'
tags:
- randomness
- provably-fair
- drand
- verifiable-randomness
- cryptography
- raffle
- giveaway
- sweepstakes
- lottery
- verification
- webhooks
- rest-api
apis:
- name: ProofDraw API
  description: Provably-fair random selection REST API (v1) covering draw lifecycle, account, health, and public verification
    artifacts. HMAC-signed webhooks. Bearer API-key auth.
  humanURL: https://proofdraw.com/api
  baseURL: https://proofdraw.com/api/v1
  tags:
  - randomness
  - provably-fair
  - drand
  - verifiable-randomness
  - cryptography
  - raffle
  - giveaway
  - sweepstakes
  - lottery
  - verification
  - webhooks
  - rest-api
  properties:
  - type: OpenAPI
    url: https://proofdraw.com/openapi.json
  - type: Documentation
    url: https://proofdraw.com/api
maintainers:
- FN: ProofDraw
  url: https://proofdraw.com/
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 95
  at: '2026-07-13T18:06:16.367Z'