Succinct

Succinct is an applied cryptography company building zero-knowledge proof infrastructure. Its flagship product is SP1, an open-source zkVM that proves the correct execution of RISC-V programs, and the Succinct Prover Network (SPN), a decentralized on-chain marketplace on Ethereum that coordinates a distributed network of provers to generate ZK proofs for any piece of software, settled with the PROVE token. Succinct's programmatic surface is a gRPC/protobuf API (the ProverNetwork, ArtifactStore, and Verifier services) rather than REST/OpenAPI; developers integrate in Rust via the SP1 SDK and CLI (cargo prove / sp1up) and authenticate to the network with a Secp256k1 key pair. Backed by Paradigm.

Succinct is profiled on the APIs.io network. Tagged areas include Company, Crypto Infrastructure, Zero-Knowledge Proofs, zkVM, and Blockchain.

Succinct’s developer surface includes documentation, API reference, getting-started guide, engineering blog, pricing, changelog, CLI, and 17 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.9/100 thin ▬ flat Agent 16/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

Company Crypto Infrastructure Zero-Knowledge ProofszkVMBlockchain Ethereum Cryptography Developer ToolsProver NetworkgRPC

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 33.9/100 · thin

Contract Quality 6.7 / 25

Developer Ergonomics 13.3 / 20

Access Clarity 2.1 / 20

Operational Transparency 5.5 / 13

Contract Governance 0.5 / 12

Discoverability 5.7 / 10

Agent readiness — 16/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/succinct: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Succinct Authentication

signature · 2 schemes

SECURITY

Succinct Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Conformance

Conformance

Conventions

Conventions

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

CLI

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

StatusPage

StatusPage

Deprecation

Deprecation

ChangeLog

ChangeLog

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 4

Properties that don't map to a standard resource type

Protobuf

Protobuf

Protobuf

Protobuf

Source (apis.yml)

aid: succinct
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/succinct.png
name: Succinct
description: Succinct is an applied cryptography company building zero-knowledge proof infrastructure. Its flagship product
  is SP1, an open-source zkVM that proves the correct execution of RISC-V programs, and the Succinct Prover Network (SPN),
  a decentralized on-chain marketplace on Ethereum that coordinates a distributed network of provers to generate ZK proofs
  for any piece of software, settled with the PROVE token. Succinct's programmatic surface is a gRPC/protobuf API (the ProverNetwork,
  ArtifactStore, and Verifier services) rather than REST/OpenAPI; developers integrate in Rust via the SP1 SDK and CLI (cargo
  prove / sp1up) and authenticate to the network with a Secp256k1 key pair. Backed by Paradigm.
url: https://raw.githubusercontent.com/api-evangelist/succinct/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- paradigm
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Crypto Infrastructure
- Zero-Knowledge Proofs
- zkVM
- Blockchain
- Ethereum
- Cryptography
- Developer Tools
- Prover Network
- gRPC
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://succinct.xyz
- type: DeveloperPortal
  url: https://docs.succinct.xyz
- type: Documentation
  url: https://docs.succinct.xyz
- type: APIReference
  url: https://docs.succinct.xyz/docs/provers/building-a-prover/api
- type: GettingStarted
  url: https://docs.succinct.xyz/docs/sp1/getting-started/quickstart
- type: Blog
  url: https://blog.succinct.xyz
- type: GitHubOrganization
  url: https://github.com/succinctlabs
- type: Pricing
  url: https://docs.succinct.xyz/docs/protocol/prove/pay
- type: StatusPage
  url: https://status.succinct.xyz
- type: Deprecation
  url: https://docs.succinct.xyz/docs/sp1/developers/upgrades
- type: Lifecycle
  url: lifecycle/succinct-lifecycle.yml
- type: ChangeLog
  url: changelog/succinct-changelog.yml
- type: Packages
  url: packages/succinct-packages.yml
- type: SDKs
  url: packages/succinct-packages.yml
- type: CLI
  url: cli/succinct-cli.yml
- type: Authentication
  url: authentication/succinct-authentication.yml
- type: Conformance
  url: conformance/succinct-conformance.yml
- type: Conventions
  url: conventions/succinct-conventions.yml
- type: LLMsTxt
  url: llms/succinct-llms.txt
- type: DomainSecurity
  url: security/succinct-domain-security.yml
- type: Protobuf
  name: Succinct Prover Network (ProverNetwork gRPC service)
  url: grpc/succinct-network.proto
- type: Protobuf
  name: Succinct ArtifactStore gRPC service
  url: grpc/succinct-artifact.proto
- type: Protobuf
  name: Succinct Verifier gRPC service
  url: grpc/succinct-verifier.proto
- type: Protobuf
  name: Succinct Prover Network shared types
  url: grpc/succinct-types.proto
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 13
  pass: local-v1

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