Developers

Subsidia API

Change one base URL. Every AI call is masked, routed, metered and signed with a proof certificate anyone can verify offline.

Quickstart Browse the docs

Your first attested call

curl https://api.subsidia.protypa.fr/v1/chat/completions \
  -H "Authorization: Bearer $SUBSIDIA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "pulse-auto",
    "messages": [{ "role": "user", "content": "Summarise this clause." }]
  }'

First call in 2 minutes

1. Get a key
Create a developer key in the Subsidia console. It starts with sk_live_ and is shown once.
Open the console
2. Set the base URL
Point your client at https://api.subsidia.protypa.fr/v1. OpenAI and Anthropic SDKs work unchanged.
Gateway docs
3. Call it
Send a request, read the x-pulse-proof header, fetch and verify the certificate.
Proof certificates

Explore the API

Get started

Keys, base URL, errors, limits and SDKs.

Gateway

OpenAI and Anthropic compatible endpoints with signed proofs.

Knowledge (Cortex)

Sources, retrieval, facts and grounded answers.

Agents

Agents, memory, chat, tools and conversations.

Proof & compliance

Check claims against documents and keep the AI Act register.

Platform

Webhooks, Reflex flows and partner provisioning.

Built to be read by agents

Every page is also plain Markdown (add .md to the URL), with a one-click copy for your assistant. Point an agent at the index and it can navigate the whole API by itself.

LLM guide llms-full.txt

Index for agents

https://dev.subsidia.protypa.fr/llms.txt