# Search ## General Search > Search for tokens and entities by name, symbol, or contract address. This endpoint provides a unified search experience across all Nansen data.\ > \ > \*\*Use Cases:\*\*\ > 1\. \*\*Find token addresses\*\*: Search by name or symbol to get contract addresses (e.g., "AAVE", "Uniswap")\ > 2\. \*\*Discover entities\*\*: Find known entities like exchanges, funds, and public figures (e.g., "vitalik", "Binance")\ > 3\. \*\*Resolve addresses\*\*: Search by contract address to identify tokens\ > 4\. \*\*Filter by chain\*\*: Narrow down results to specific blockchains\ > \ > \*\*Search Parameters:\*\*\ > \- \`search\_query\`: Token name, symbol, contract address, or entity name\ > \- \`result\_type\`: Filter by "token", "entity", or "any" (default: "any")\ > \- \`chain\`: Optional blockchain filter (e.g., "ethereum", "solana", "base")\ > \- \`limit\`: Maximum results (1-50, default: 25)\ > \ > \*\*Example Request:\*\*\ > \`\`\`json\ > {\ > "search\_query": "AAVE",\ > "result\_type": "token",\ > "chain": "ethereum"\ > }\ > \`\`\`\ > \ > \*\*Example Response:\*\*\ > \`\`\`json\ > {\ > "tokens": \[\ > {\ > "name": "Aave",\ > "symbol": "AAVE",\ > "chain": "ethereum",\ > "address": "0x7fc66500c84a76ad7e9c93437bfc5ac33e2ddae9",\ > "price": 123.45,\ > "volume\_24h": 50000000,\ > "market\_cap": 1500000000,\ > "rank": 25\ > }\ > ],\ > "entities": \[],\ > "total\_results": 1\ > }\ > \`\`\`\ > \ > \*\*Important Notes:\*\*\ > \- Prices may be delayed; use token OHLCV endpoints for real-time prices\ > \- Results are sorted by relevance/popularity rank\ > \- Use the \`chain\` parameter (not the query string) to filter by blockchain ````json {"openapi":"3.1.0","info":{"title":"Nansen API","version":"1.0.0"},"servers":[{"url":"https://api.nansen.ai"}],"security":[{"ApiKeyAuth":[]}],"components":{"securitySchemes":{"ApiKeyAuth":{"type":"apiKey","in":"header","name":"apiKey","description":"API key for authentication"}},"schemas":{"GeneralSearchRequest":{"properties":{"search_query":{"type":"string","maxLength":200,"minLength":1,"title":"Search Query","description":"Search query - token name, symbol, contract address, or entity name."},"result_type":{"type":"string","enum":["token","entity","any"],"title":"Result Type","description":"Type filter - 'token' for tokens only, 'entity' for entities only, 'any' for both.","default":"any"},"chain":{"anyOf":[{"type":"string"}],"title":"Chain","description":"Optional chain filter to narrow down token results (e.g., 'ethereum', 'solana', 'base')."},"limit":{"type":"integer","maximum":50,"minimum":1,"title":"Limit","description":"Maximum number of results to return (default: 25, max: 50).","default":25}},"additionalProperties":false,"type":"object","required":["search_query"],"title":"GeneralSearchRequest","description":"Request model for general search endpoint.\n\nThis endpoint searches for tokens and entities by name, symbol, or address."},"GeneralSearchResponse":{"properties":{"tokens":{"items":{"$ref":"#/components/schemas/TokenSearchResult"},"type":"array","title":"Tokens","description":"List of matching tokens","default":[]},"entities":{"items":{"$ref":"#/components/schemas/EntitySearchResult"},"type":"array","title":"Entities","description":"List of matching entities","default":[]},"total_results":{"type":"integer","title":"Total Results","description":"Total number of results returned"}},"type":"object","required":["total_results"],"title":"GeneralSearchResponse","description":"Response model for general search endpoint.\n\nReturns separate lists for tokens and entities, allowing clients to handle\neach type appropriately."},"TokenSearchResult":{"properties":{"name":{"type":"string","title":"Name","description":"Token name"},"symbol":{"type":"string","title":"Symbol","description":"Token symbol (ticker)"},"chain":{"type":"string","title":"Chain","description":"Blockchain the token is deployed on"},"address":{"type":"string","title":"Address","description":"Contract address of the token"},"price":{"anyOf":[{"type":"number"}],"title":"Price","description":"Current price in USD (may be delayed)"},"volume_24h":{"anyOf":[{"type":"number"}],"title":"Volume 24H","description":"24-hour trading volume in USD"},"market_cap":{"anyOf":[{"type":"number"}],"title":"Market Cap","description":"Market capitalization in USD"},"rank":{"anyOf":[{"type":"integer"}],"title":"Rank","description":"Popularity/relevance rank (lower is better)"}},"type":"object","required":["name","symbol","chain","address"],"title":"TokenSearchResult","description":"A token result from general search."},"EntitySearchResult":{"properties":{"name":{"type":"string","title":"Name","description":"Entity name"},"tags":{"items":{"type":"string"},"type":"array","title":"Tags","description":"Category tags for the entity","default":[]},"rank":{"anyOf":[{"type":"integer"}],"title":"Rank","description":"Popularity/relevance rank (lower is better)"}},"type":"object","required":["name"],"title":"EntitySearchResult","description":"An entity result from general search."}},"headers":{"XNansenCreditsUsed":{"description":"Number of credits consumed by this API request","schema":{"type":"string"}},"XNansenCreditsRemaining":{"description":"Total credits remaining in the user's account after this request","schema":{"type":"string"}},"PaymentReceipt":{"description":"Base64url-encoded MPP receipt returned on successful paid requests via Authorization: Payment","schema":{"type":"string"}},"RateLimitLimit":{"description":"Combined rate limit across all configured time windows","schema":{"type":"string"}},"RateLimitRemaining":{"description":"Number of requests remaining in the current limiting window","schema":{"type":"string"}},"RateLimitReset":{"description":"Time in seconds until the rate limit window resets","schema":{"type":"string"}},"XRateLimitLimitSecond":{"description":"Maximum requests allowed per second","schema":{"type":"string"}},"XRateLimitRemainingSecond":{"description":"Requests remaining in the current second","schema":{"type":"string"}},"XRateLimitLimitMinute":{"description":"Maximum requests allowed per minute","schema":{"type":"string"}},"XRateLimitRemainingMinute":{"description":"Requests remaining in the current minute","schema":{"type":"string"}},"PaymentRequired":{"description":"Base64-encoded x402 payment options returned on 402 responses for x402 clients","schema":{"type":"string"}},"WWWAuthenticatePayment":{"description":"MPP payment challenge returned on 402 responses, for example `Payment id=\"...\", realm=\"api.nansen.ai\", method=\"tempo\", intent=\"charge\", request=\"...\"`","schema":{"type":"string"}},"RetryAfter":{"description":"Number of seconds to wait before making a new request","schema":{"type":"string"}}},"responses":{"BadRequestError":{"description":"Bad Request - Invalid request parameters or malformed request","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"}}}}}},"UnauthorizedError":{"description":"Authentication error - No API key found in request","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"}}}}}},"PaymentRequiredError":{"description":"Payment Required - This endpoint supports pay-per-request via x402 and MPP. x402 responses advertise payment options in `Payment-Required`; MPP responses advertise a fresh `WWW-Authenticate: Payment ...` challenge. Successful MPP responses may include `Payment-Receipt`.","headers":{"Payment-Required":{"$ref":"#/components/headers/PaymentRequired"},"WWW-Authenticate":{"$ref":"#/components/headers/WWWAuthenticatePayment"}},"content":{"application/json":{"schema":{"type":"object","description":"Problem-details body for x402 or MPP payment challenges."}}}},"ForbiddenError":{"description":"Forbidden - User does not have required subscription tier or has exceeded credit limit","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"}}}}}},"NotFoundError":{"description":"Not Found - The requested resource was not found","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"}}}}}},"ValidationError":{"description":"Validation error - Invalid request parameters","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"array","items":{"type":"object","properties":{"loc":{"type":"array","items":{"type":"string"}},"msg":{"type":"string"},"type":{"type":"string"}}}}}}}}},"TooManyRequestsError":{"description":"Too Many Requests - Rate limit exceeded","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"},"retry_after":{"type":"integer","description":"Seconds to wait before retrying"}}}}},"headers":{"Retry-After":{"$ref":"#/components/headers/RetryAfter"}}},"InternalServerError":{"description":"Internal Server Error - An unexpected error occurred","content":{"application/json":{"schema":{"type":"object","properties":{"detail":{"type":"string"}}}}}}}},"paths":{"/api/v1/search/general":{"post":{"tags":["Search"],"summary":"General Search","description":"Search for tokens and entities by name, symbol, or contract address. This endpoint provides a unified search experience across all Nansen data.\n\n**Use Cases:**\n1. **Find token addresses**: Search by name or symbol to get contract addresses (e.g., \"AAVE\", \"Uniswap\")\n2. **Discover entities**: Find known entities like exchanges, funds, and public figures (e.g., \"vitalik\", \"Binance\")\n3. **Resolve addresses**: Search by contract address to identify tokens\n4. **Filter by chain**: Narrow down results to specific blockchains\n\n**Search Parameters:**\n- `search_query`: Token name, symbol, contract address, or entity name\n- `result_type`: Filter by \"token\", \"entity\", or \"any\" (default: \"any\")\n- `chain`: Optional blockchain filter (e.g., \"ethereum\", \"solana\", \"base\")\n- `limit`: Maximum results (1-50, default: 25)\n\n**Example Request:**\n```json\n{\n \"search_query\": \"AAVE\",\n \"result_type\": \"token\",\n \"chain\": \"ethereum\"\n}\n```\n\n**Example Response:**\n```json\n{\n \"tokens\": [\n {\n \"name\": \"Aave\",\n \"symbol\": \"AAVE\",\n \"chain\": \"ethereum\",\n \"address\": \"0x7fc66500c84a76ad7e9c93437bfc5ac33e2ddae9\",\n \"price\": 123.45,\n \"volume_24h\": 50000000,\n \"market_cap\": 1500000000,\n \"rank\": 25\n }\n ],\n \"entities\": [],\n \"total_results\": 1\n}\n```\n\n**Important Notes:**\n- Prices may be delayed; use token OHLCV endpoints for real-time prices\n- Results are sorted by relevance/popularity rank\n- Use the `chain` parameter (not the query string) to filter by blockchain","operationId":"general_search_api_v1_search_general_post","requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/GeneralSearchRequest"}}},"required":true},"responses":{"200":{"description":"Search results with tokens and entities","content":{"application/json":{"schema":{"$ref":"#/components/schemas/GeneralSearchResponse"}}},"headers":{"X-Nansen-Credits-Used":{"$ref":"#/components/headers/XNansenCreditsUsed"},"X-Nansen-Credits-Remaining":{"$ref":"#/components/headers/XNansenCreditsRemaining"},"Payment-Receipt":{"$ref":"#/components/headers/PaymentReceipt"},"RateLimit-Limit":{"$ref":"#/components/headers/RateLimitLimit"},"RateLimit-Remaining":{"$ref":"#/components/headers/RateLimitRemaining"},"RateLimit-Reset":{"$ref":"#/components/headers/RateLimitReset"},"X-RateLimit-Limit-Second":{"$ref":"#/components/headers/XRateLimitLimitSecond"},"X-RateLimit-Remaining-Second":{"$ref":"#/components/headers/XRateLimitRemainingSecond"},"X-RateLimit-Limit-Minute":{"$ref":"#/components/headers/XRateLimitLimitMinute"},"X-RateLimit-Remaining-Minute":{"$ref":"#/components/headers/XRateLimitRemainingMinute"}}},"400":{"description":"Bad Request","$ref":"#/components/responses/BadRequestError"},"401":{"description":"Unauthorized","$ref":"#/components/responses/UnauthorizedError"},"402":{"description":"Payment Required","$ref":"#/components/responses/PaymentRequiredError"},"403":{"description":"Forbidden","$ref":"#/components/responses/ForbiddenError"},"404":{"description":"Not Found","$ref":"#/components/responses/NotFoundError"},"422":{"description":"Unprocessable Content","$ref":"#/components/responses/ValidationError"},"429":{"description":"Too Many Requests","$ref":"#/components/responses/TooManyRequestsError"},"500":{"description":"Internal Server Error","$ref":"#/components/responses/InternalServerError"}}}}}} ```` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.nansen.ai/api/search.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.