vAST

viaNexus Agentic Service Technology

vAST is the agent-ready access layer for viaNexus financial data. It connects MCP clients, Financial Chat Agent, and SDK workflows to 30+ institutional datasets through one signed credential, with server-side dataset permissions built in.

vAST MT Newswires News Aiera Transcripts BMLL Pre-trade ExtractAlpha EPS forecasts IndexOne Indices viaNexus CORE Reference data DATA PROVIDERS Trader Claude · MCP Analyst ChatGPT · MCP Retail investor OpenBB · Chat Agent Portfolio mgr Cursor · MCP Developer Your app · SDK DATA CONSUMERS

one platform · every dataset · any agent

Works with leading LLM providers

Gemini Gemini
Claude Claude
ChatGPT ChatGPT

Financial Chat Agent

Financial
Chat Agent.

Available with pk token

Pre-built conversational agent. Powers AskNexus today. Use it with a viaNexus pk_... token, embed it in your app, or add it manually to an OpenBB workspace.

Download guide

Quickstart

A token and one endpoint. First call lands in 20-35 seconds, follow-ups in about five.

Get token

Use your viaNexus token

Create a personal API token in the console. Tokens are prefixed pk_... and are passed as ?token=.

Open console →

Call /chat

TOKEN="your-vianexus-token"
BASE="https://financial-chat-agent-857389207619.us-central1.run.app"

curl -X POST "$BASE/chat?token=$TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"message": "What is AAPL trading at right now?"}'
FCA walkthrough Call the hosted agent Token, first call, session follow-up.

01 / 03

01 ~1 min

Grab your token

Get a personal API token at console.blueskyapi.com. It starts with pk_.

Use the token as a query param on each hosted agent request.

Environment

export VIANEXUS_TOKEN="pk_..."

Token boundary

The agent can only answer from datasets your token can access.

02 ~30 sec

Make your first call

POST a message to /chat. The response includes an answer and a session_id.

Keep the session id if you want follow-up questions to share context.

Request

BASE="https://financial-chat-agent-857389207619.us-central1.run.app"

curl -X POST "$BASE/chat?token=$VIANEXUS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"message": "What is AAPL trading at right now?"}'
03 follow-up

Continue the conversation

Pass the session_id back to keep context.

Sessions expire after 1 hour of inactivity.

Follow-up

curl -X POST "$BASE/chat?token=$VIANEXUS_TOKEN&session_id=5f942fb6fadf4791bc7dece76d4a7332" \
  -H "Content-Type: application/json" \
  -d '{"message": "How does that compare to its 52-week high?"}'

Capabilities

Platform-embeddable

Drop into any app, terminal, or workspace.

MCP-native

Speaks directly to the viaNexus MCP.

Entitlement-aware

Dataset permissions are enforced through the same MCP token flow.

Metered & billable

Per-conversation billing, marketplace-ready.

Token Access

Financial Chat Agent uses the same viaNexus account token and dataset permissions as the rest of vAST. If your pk_... token can reach a dataset, the agent can use it.

Permission flow
  1. 01

    Token
    Account and subscribed datasets.

  2. 02

    /chat
    Question arrives with ?token=.

  3. 03

    Answer
    Only allowed datasets.

Same permission model

The agent does not bypass subscriptions. It can only answer from datasets your token is allowed to access.

Get a token →
OpenBB Workspace install Chat, charts, and alerts inside OpenBB.
01

OpenBB

Manual install

Add Financial Chat Agent manually to an OpenBB workspace. Users get conversational access to 30+ institutional datasets, with charts, alerts, and tables rendered alongside OpenBB’s native widgets. The marketplace listing is MCP-only for now; the full agent is available today via manual install.

Watch demo

Conversational portfolio analysis. Natural language across every subscribed dataset, in one chat.

Dynamic chart creation. Charts and dashboards generated on demand inside OpenBB widgets.

Automated monitoring & alerting. Set alerts on any condition; data payloads delivered to email.

Entitlement-aware. The agent uses the same MCP token and dataset-permission enforcement as the connector.

Chatbot App or portal embed Hosted financial chat for your users.
02

Chatbot

Drop Financial Chat Agent into your app, portal, or website as a chat interface. Users type questions, the agent queries your viaNexus data and responds with structured answers, tables, and charts. AskNexus is the live working example, that’s exactly this use case, built and running today.

Try AskNexus

See vianexus.com/asknexus for the working consumer chat we run on Financial Chat Agent. The same agent, with the same auth and dataset-permission model, embedded against the full viaNexus catalog. Build the same thing in your product.

Start building.

14-day free trial. No credit card. Connect to 30+ financial datasets through your AI in under two minutes.

Or jump to the MCP quickstart if you already have an account.