The public alphasmo REST API — free anonymous tier by IP, higher limits with an API key.
No signup required — works out of the box at a lower rate limit.
curl https://alphasmo.com/api/v1/institutionsGet a free API key to raise your rate limit.
curl -H "X-API-Key: <your-key>" https://alphasmo.com/api/v1/institutions/api/v1/healthHealth
/api/v1/institutionsList Institutions
| Parameter | In | Required |
|---|---|---|
| q | query | — |
| limit | query | — |
| offset | query | — |
/api/v1/institutions/{slug}Get Institution
| Parameter | In | Required |
|---|---|---|
| slug | path | ✓ |
/api/v1/institutions/{slug}/holdingsGet Institution Holdings
| Parameter | In | Required |
|---|---|---|
| slug | path | ✓ |
/api/v1/agent/identityCreate Agent Identity
/api/v1/market/stock/{identifier}Get Stock Detail
| Parameter | In | Required |
|---|---|---|
| identifier | path | ✓ |
/api/v1/market/stock-flowsGet Stock Flows
| Parameter | In | Required |
|---|---|---|
| direction | query | — |
| limit | query | — |
/api/v1/insider/stock/{ticker}Get Insider Stock Detail
| Parameter | In | Required |
|---|---|---|
| ticker | path | ✓ |
/api/v1/insider/smart-money-convergenceGet Smart Money Convergence
| Parameter | In | Required |
|---|---|---|
| limit | query | — |
| min_confidence | query | — |
| days | query | — |
/api/v1/congress/feedGet Congress Feed
| Parameter | In | Required |
|---|---|---|
| chamber | query | — |
| transaction_type | query | — |
| days | query | — |
| limit | query | — |
| offset | query | — |
/api/v1/congress/leaderboardGet Congress Leaderboard
| Parameter | In | Required |
|---|---|---|
| days | query | — |
| limit | query | — |
/api/v1/congress/stock/{ticker}Get Congress Stock Detail
| Parameter | In | Required |
|---|---|---|
| ticker | path | ✓ |
/api/v1/insights/13f/{slug}Get Insight Article
| Parameter | In | Required |
|---|---|---|
| slug | path | ✓ |
| locale | query | — |
/api/v1/insights/13f/by-institution/{institution_slug}Get Institution Insights
| Parameter | In | Required |
|---|---|---|
| institution_slug | path | ✓ |
| locale | query | — |
/api/v1/insights/13fList Insight Articles
| Parameter | In | Required |
|---|---|---|
| limit | query | — |
| offset | query | — |
| locale | query | — |
/api/v1/blog/{slug}Get Blog Post
| Parameter | In | Required |
|---|---|---|
| slug | path | ✓ |
| locale | query | — |
/api/v1/blogList Blog Posts
| Parameter | In | Required |
|---|---|---|
| limit | query | — |
| offset | query | — |
| locale | query | — |
| category | query | — |
The alphasmo npm package's command-line tool — no signup or API key required to try it.
npx alphasmo stocks get AAPL| Command | Description |
|---|---|
| alphasmo institutions search <query> | Search 13F institutions by name. |
| alphasmo institutions get <slug> | Full institution detail and sector weights. |
| alphasmo institutions holdings <slug> | Latest 13F holdings for one institution. |
| alphasmo stocks get <identifier> | Full stock detail — holder count, flows, top holders. |
| alphasmo stocks flows [-d buy|sell] | Stocks ranked by net institutional buy/sell flow. |
| alphasmo insider trades <ticker> | Recent individual Form 4 insider trades for one ticker. |
| alphasmo insider summary <ticker> | Insider confidence scores (30d/90d) for one ticker. |
| alphasmo convergence | Tickers where institutions and insiders are both buying. |
For AI agents (Claude Code, Claude Desktop, Cursor, etc.), not for typing directly — use the CLI above for that. Exposes the same data as callable tools.
npx -y alphasmo@latest mcpAdd this to your MCP client's server config:
{
"mcpServers": {
"alphasmo": {
"command": "npx",
"args": ["-y", "alphasmo@latest", "mcp"]
}
}
}| Tool | Description |
|---|---|
| search_institutions | Search institutional investors by name. |
| get_institution_profile | Get an institution's profile — category, manager, AUM, personality scores. |
| get_institution_holdings | Get an institution's current 13F holdings. |
| get_stock_overview | Get a stock's institutional ownership overview — holder count, net flows, popularity rank. |
| get_stock_flows | Get the most-bought or most-sold stocks by institutional net flow. |
| get_insider_activity | Get Form 4 insider trading activity for a stock. |
| get_smart_money_convergence | Get stocks where both institutions and insiders are buying. |