- Verified pricing:价格核对: Alpha Vantage documents a free allowance of up to 25 requests per day. Monthly premium plans cost $49.99, $99.99, $149.99, $199.99, and $249.99 for 75, 150, 300, 600, and 1,200 requests per minute.Alpha Vantage 文档列出每日最多 25 次免费请求。付费套餐按每分钟请求容量区分;页面中的具体价格是所标注核对日期的快照,购买前请查阅官方结算页。
- Important qualification:重要条件: A premium API key and a US market-data entitlement are separate concerns. Realtime and 15-minute delayed US data require the applicable entitlement flow; commercial use requires provider confirmation.付费 API Key 与美国市场数据权限是不同事项。实时及延迟 15 分钟的数据需完成相应授权流程;商业用途应向提供商确认。
- Decision rule:选择原则: Choose with peak requests per minute, data freshness, endpoint coverage, licensing rights, and total cost. Monthly call volume alone cannot identify the correct plan or alternative.根据每分钟峰值请求数、数据时效、接口覆盖、许可权利和总成本选型。仅凭月调用量无法确定合适套餐或替代方案。
How much does Alpha Vantage cost per month?Alpha Vantage 每月费用是多少?
Alpha Vantage offers free access to most datasets for up to 25 API requests per day. Its five monthly premium plans are $49.99 for 75 requests/min, $99.99 for 150, $149.99 for 300, $199.99 for 600, and $249.99 for 1,200, with no daily request limit. Realtime or 15-minute delayed US market data also requires the appropriate entitlement, so the subscription price is not the complete production cost.Alpha Vantage 的多数数据集可免费调用,每天最多 25 次。五档月付套餐分别为:49.99 美元对应每分钟 75 次、99.99 美元对应 150 次、149.99 美元对应 300 次、199.99 美元对应 600 次、249.99 美元对应 1,200 次,付费套餐不设每日请求上限。美国市场实时数据或延迟 15 分钟的数据还需要相应授权,因此订阅费并不等于完整的生产成本。
To inspect the available Alpha Vantage capabilities before choosing a plan, open the exact 选择套餐前,可先检查当前可用能力,打开Alpha Vantage Provider profile in QVerisQVeris 中的 Alpha Vantage Provider 页面 Official documentation官方文档 or review the ,或查看Retrieve Daily Time Series tool日度时间序列工具, including its parameters, call cost, and current execution quality.,并核对参数、调用成本与当前可用状态。
The monthly subscription and maximum requests per minute.每月订阅费用以及每分钟最高请求数。
That premium plans remove the standard 25-request daily ceiling.付费套餐会取消标准版每天 25 次的请求上限。
That annual billing is available with two months of stated savings.可选择年度付费,官方标示相当于节省两个月费用。
Whether a workload's measured peak fits a published request-rate tier.实测峰值是否落在某个已公布的请求速率档位内。
Which endpoints are free, premium-only, or subject to separate data rights.哪些端点免费、哪些仅限付费套餐,以及哪些数据还受独立授权约束。
Realtime, delayed, personal-use, commercial-display, and redistribution entitlements.实时、延迟、个人使用、商业展示及再分发分别需要什么授权。
Peak concurrency, retry behavior, caching policy, and error handling.峰值并发、重试机制、缓存策略与错误处理方式。
Whether one provider covers the full workflow or a multi-source layer is needed.单一提供商能否覆盖完整工作流,还是需要多数据源路由层。
Alpha Vantage Pricing Plans Breakdown (2026)Alpha Vantage 定价方案详解(2026)
The current 当前的Alpha Vantage premium pageAlpha Vantage 付费套餐页面 lists five monthly plans, differentiated by requests per minute. It also offers annual billing at the equivalent of ten monthly payments. The free service is documented separately on the 按每分钟请求数区分月付套餐,也提供年付方式;免费服务的说明见support page支持页面 as access to most datasets for up to 25 requests per day.,其中多数数据集的免费额度为每日最多 25 次请求。
| Plan方案 | Monthly price月付价格 | Published capacity请求容量 | Daily limit每日上限 | Best planning use适用场景 |
|---|---|---|---|---|
| Standard free access免费版 | $0 | Use the verified daily allowance for planning按已核实的每日额度规划 | Up to 25 requests/day每日最多 25 次请求 | Endpoint and schema evaluation端点与返回结构评估 |
| 75 requests/min每分钟 75 次请求 | $49.99 | 75 requests/min每分钟 75 次请求 | No daily API limit无每日 API 请求上限 | Small production workloads with measured peaks峰值可控的小型生产负载 |
| 150 requests/min每分钟 150 次请求 | $99.99 | 150 requests/min每分钟 150 次请求 | No daily API limit无每日 API 请求上限 | Moderate concurrency中等并发 |
| 300 requests/min每分钟 300 次请求 | $149.99 | 300 requests/min每分钟 300 次请求 | No daily API limit无每日 API 请求上限 | Parallel research or batch jobs并行研究或批处理任务 |
| 600 requests/min每分钟 600 次请求 | $199.99 | 600 requests/min每分钟 600 次请求 | No daily API limit无每日 API 请求上限 | High-throughput applications高吞吐应用 |
| 1,200 requests/min每分钟 1,200 次请求 | $249.99 | 1,200 requests/min每分钟 1,200 次请求 | No daily API limit无每日 API 请求上限 | Largest published self-serve capacity官方自助套餐中的最高请求容量 |
Reading the table correctly:正确解读这张表: “No daily limit” does not mean unlimited throughput, guaranteed realtime rights, or unrestricted redistribution. The request-per-minute ceiling still applies, and US market-data freshness and commercial usage can require separate entitlement steps.“无每日上限”不意味着吞吐量无限、自动获得实时数据权限或允许任意再分发。每分钟请求上限仍然适用,美国市场数据时效与商业使用也可能需要额外授权。
Alpha Vantage Free API Limit: What 25 Requests per Day Can SupportAlpha Vantage 免费 API 限额:每天 25 次请求能支持什么
Alpha Vantage says the majority of its datasets can be accessed free for up to 25 API requests per day. That is useful for learning the response schema, validating symbol coverage, testing one endpoint at a time, and running a very small scheduled workflow. It is not enough information to describe the free service as “five requests per minute” or to promise a specific intraday freshness level across every endpoint.Alpha Vantage 表示,多数数据集每天可免费调用最多 25 次。这足以用于熟悉返回结构、验证标的覆盖、逐个测试端点,以及运行规模很小的定时任务。但仅凭这一说明,不能把免费服务概括为“每分钟 5 次”,也不能据此承诺所有端点都达到某种盘中时效。
- Good fit:适合: tutorials, notebooks, endpoint discovery, daily portfolio snapshots, and lightweight academic prototypes.教程、研究笔记本、接口探索、每日投资组合快照和轻量学术原型。
- Likely bottleneck:潜在瓶颈: multi-symbol agents, parallel tool calls, intraday monitoring, large backfills, evaluation suites, and repeated retries.多标的 Agent、并行工具调用、日内监控、大规模历史补录、评估测试和重复重试。
- Count the whole workflow:按完整工作流计算: one user question can create several upstream calls for prices, fundamentals, news, indicators, and validation. Budget requests per completed task, not per chat message.一个用户问题可能触发价格、基本面、新闻、指标与校验等多个上游请求,应按完成任务所需请求数规划预算。
- Handle limit responses explicitly:明确处理限额响应: inspect the API response before parsing time-series fields, cache immutable data, queue non-urgent work, and avoid automatic retry storms.解析时间序列前检查 API 响应,缓存不可变数据,对非紧急任务排队,并避免自动重试风暴。
A free key can still be the right choice when the workload genuinely stays below 25 daily requests. Upgrade decisions should follow measured demand, required endpoints, and data rights—not a blanket assumption that every prototype needs a paid plan.如果实际负载确实长期低于每天 25 次请求,免费密钥仍可能是合适选择。是否升级应依据实测需求、所需端点和数据授权,而不是一概认定所有原型都必须购买付费套餐。
Is Alpha Vantage Realtime? Data Freshness and Licensing ExplainedAlpha Vantage 是实时数据吗?数据时效与授权说明
“Premium” and “realtime” should not be treated as interchangeable labels. Alpha Vantage's official “付费”与“实时”不能混为一谈。Alpha Vantage 官方的market-data policy市场数据政策 says realtime and 15-minute delayed US market data are exchange-regulated. Personal, non-commercial users subscribe to premium and complete the applicable data-entitlement process through Alpha X Terminal. Business and commercial users are instructed to contact Alpha Vantage for onboarding.说明,美国市场实时及延迟 15 分钟的数据受交易所规则约束。个人非商业用户需订阅付费服务,并经 Alpha X Terminal 完成适用的数据授权流程;商业用户应联系 Alpha Vantage 办理接入。
Endpoint: confirm that the exact function supports the required entitlement parameter or freshness.确认具体函数是否支持所需的权限参数与数据时效。
Audience: distinguish private analysis from customer-facing display, commercial use, or redistribution.区分私人分析、面向客户展示、商业使用和再分发。
Asset class:资产类别: equities, options, forex, crypto, commodities, and macro data can have different rules.股票、期权、外汇、加密资产、大宗商品与宏观数据可能适用不同规则。
A higher request-rate tier does not by itself prove that every endpoint becomes realtime.更高的请求速率档位,并不代表所有端点都会自动变为实时数据。
A “free realtime API” claim does not prove exchange licensing or commercial display rights.“免费实时 API”的宣传并不能证明已获得交易所授权或商业展示权。
API access, market-data entitlement, and permission to redistribute are separate checks.API 访问权限、市场数据授权和再分发许可是三项独立检查。
For trading-adjacent agents, persist the provider timestamp, retrieval timestamp, market status, entitlement used, and source in the output. If freshness is insufficient, the agent should state that limitation instead of presenting a stale value as live.对于接近交易场景的 Agent,输出中应保留提供商时间戳、获取时间、市场状态、所用授权和数据来源。如果时效不达标,Agent 应明确说明限制,而不能把过期数据当作实时数据展示。
Alpha Vantage API Pricing vs Pay-Per-Call: The Cost Model TradeoffAlpha Vantage API 定价与按调用付费:两种成本模型如何取舍
Alpha Vantage uses fixed subscription tiers with published request-per-minute ceilings. QVeris uses usage-based execution pricing alongside capability discovery and inspection. Neither model is universally cheaper: the result depends on the current per-call price, peak request rate, cache hit rate, failed-call policy, required sources, and whether separate data entitlements are needed.Alpha Vantage 采用固定订阅档位,并公布每分钟请求上限;QVeris 则在能力发现和检查之外,按实际执行量计费。两种模式没有绝对更便宜的一方,结果取决于当前单次调用价格、峰值请求速率、缓存命中率、失败调用计费规则、所需数据源,以及是否需要额外数据授权。
Subscription Model (Alpha Vantage)订阅模式(Alpha Vantage)
- You pay for capacity, not usage:你为容量付费,而非用量: $49.99-$249.99/month regardless of whether you make 10 calls or 10,000 calls.无论你发起 10 次还是 10,000 次调用,均为 $49.99-$249.99/月。
- Reserved capacity:预留容量: The subscription price stays fixed when usage falls, but can be economical when a team consistently uses the included capacity.使用量下降时订阅费用通常不会随之下降;持续充分使用套餐容量时,固定费用也可能更经济。
- Rate-limit ceiling:速率限制上限: When your AI Agent bursts above the per-minute limit, requests are throttled — even on days when overall volume is low.当你的 AI Agent 突增至每分钟限制以上时,请求会被限流——即使在整体量较低的日子也是如此。
Pay-Per-Call Model (QVeris)按次付费模式(QVeris)
- You pay for execution:费用来自实际执行: Usage-based cost follows the number and type of calls actually made; capability discovery and inspection can be evaluated separately.按量成本取决于实际执行的调用次数和类型;能力发现与详情核对可单独进行。
- Variable workloads:波动型工作负载: Low-traffic and intermittent agents avoid paying for idle subscription capacity.低频或间歇运行的 Agent 可按使用量评估成本,减少空闲订阅容量的支出。
- Budget controls still matter:预算控制仍然重要: retries, fan-out, provider fallback, and unbounded tool loops can increase usage-based cost unless the workflow sets limits.重试、并行请求、供应商回退和无界工具循环都会增加按量费用,工作流应明确设置上限。
Break-Even Analysis盈亏平衡分析
Use the current 请使用当前的QVeris pricing pageQVeris 定价页面 rather than a hard-coded estimated rate. A simple cost break-even is ,不要采用固定猜测费率。简化的成本平衡点是Alpha Vantage monthly price ÷ QVeris cost per successful callAlpha Vantage 月费 ÷ QVeris 每次成功调用成本, but that calculation is only valid after confirming both choices supply equivalent data, freshness, licensing, and reliability. Separately, use measured peak requests per minute to test whether an Alpha Vantage tier can serve the workload at all.,但只有数据、时效、许可与可靠性相当时,这种比较才成立;还需用实测峰值验证 Alpha Vantage 档位能否承载负载。
Alpha Vantage Alternatives: Match the Provider to the WorkloadAlpha Vantage 替代方案:让提供商匹配实际负载
Searches for an “Alpha Vantage alternative” often hide different requirements. Some users need a larger free allowance, others need WebSocket streaming, broader fundamentals, brokerage execution, official MCP access, or a multi-provider abstraction. Compare providers by the missing capability rather than replacing one REST endpoint with another by default.用户搜索“Alpha Vantage 替代方案”时,背后的需求往往并不相同:有人需要更高的免费额度,有人需要 WebSocket 流、范围更广的基本面数据、券商执行、官方 MCP 接入,或多提供商抽象层。比较时应围绕当前缺失的能力,而不是默认把一个 REST 端点机械地换成另一个。
| Primary need核心需求 | Providers to evaluate待评估供应商 | What to verify待核对事项 |
|---|---|---|
| Low-cost learning and prototypes低成本学习与原型验证 | Twelve DataTwelve Data, 、Finnhub, 、Marketstack, 、Alpha Vantage freeAlpha Vantage 免费版 | Daily/minute limits, delayed data, endpoint exclusions每日/每分钟限额、延迟数据、受限端点 |
| US market depth and streaming美国市场深度数据与流式行情 | Massive, 、Alpaca, 、Finnhub | WebSocket messages, SIP/IEX coverage, exchange rightsWebSocket 消息、SIP/IEX 覆盖、交易所数据权利 |
| Fundamentals and financial statements基本面数据与财务报表 | Financial Modeling PrepFinancial Modeling Prep, 、EODHD, 、Tiingo | Historical depth, restatements, point-in-time behavior历史数据深度、重述处理、时点数据一致性 |
| Brokerage-adjacent agents券商相关 Agent | Alpaca developer documentationAlpaca 开发者文档 and broker-native APIs以及券商原生 API | Paper trading, order controls, account permissions模拟交易、订单控制、账户权限 |
| One-provider MCP access单一提供商的 MCP 接入 | Alpha Vantage official MCP serverAlpha Vantage 官方 MCP 服务器 | Supported tools, API-key usage, client compatibility支持的工具、API 密钥用法、客户端兼容性 |
| Multi-source agent routing多数据源 Agent 路由 | QVeris financial capabilitiesQVeris 金融能力 | Capability coverage, provider choice, per-call cost, output contract能力覆盖、提供商选择、单次调用成本、输出契约 |
Run the same acceptance test against every shortlist candidate: request a representative symbol set, compare timestamps and corporate-action adjustments, force an invalid symbol, trigger the documented rate limit, inspect error payloads, and confirm that the intended display or redistribution is permitted.对所有候选方案执行同一套验收测试:请求一组有代表性的标的,比较时间戳和公司行动调整结果,刻意传入无效标的,触发官方说明的速率限制,检查错误响应内容,并确认计划中的展示或再分发方式确实获准。
Alpha Vantage Pricing Scenarios: Apply the Limits CorrectlyAlpha Vantage 定价场景:正确理解并应用限额
Scenario 1: A daily research notebook场景 1:每日研究笔记本
- Workload: five symbols, one daily endpoint per symbol, no intraday monitoring.五个标的,每个标的调用一个日度接口,不进行日内监控。
- Planning result:规划结果: the request count can fit the documented 25-request daily allowance if retries and extra endpoints remain controlled.若重试与额外接口调用受控,请求量可落在文档列出的每日 25 次额度以内。
- Check next:下一步检查: whether the required endpoint and historical depth are available to the free key.免费 Key 是否能访问所需接口及历史深度。
Scenario 2: An agent that researches 20 companies on demand场景 2:按需研究 20 家公司的 Agent
- Workload: quote, overview, earnings, and news calls fan out after one user request.单个用户请求触发报价、公司概况、财报与新闻等并行调用。
- Planning result:规划结果: daily volume and one-minute peak both matter. A low monthly total can still exceed 75 requests in one burst.日总量与一分钟峰值同样重要。月总量较低,也可能在一次突发中超过每分钟 75 次。
- Check next:下一步检查: serialize calls, cache reference data, or select a tier with enough measured peak headroom.可串行调用、缓存参考数据,或选择能够覆盖实测峰值且留有余量的档位。
Scenario 3: A customer-facing realtime dashboard场景 3:面向客户的实时看板
- Workload: US market data displayed to external users during trading hours.在交易时段向外部用户展示美国市场数据。
- Planning result:规划结果: request capacity is only one cost. The team must also confirm realtime entitlement, commercial display rights, caching, and permitted redistribution.请求容量只是部分成本,还必须核对实时权限、商业展示、缓存和再分发条件。
- Check next:下一步检查: obtain written provider guidance before treating the checkout price as the full production price.不要把结算页价格当作全部生产成本,应先获取供应商的明确指导。
Scenario 4: A multi-provider financial agent场景 4:多提供商金融 Agent
- Workload: Alpha Vantage for time series, another source for filings, and a third for brokerage actions.使用 Alpha Vantage 获取时间序列,另一个来源获取申报数据,再用第三个来源完成券商操作。
- Planning result:规划结果: provider subscription prices do not include the engineering cost of tool discovery, authentication, schema normalization, fallback, and audit logs.供应商订阅费不包含工具发现、鉴权、Schema 规范化、回退及审计日志的工程成本。
- Check next:下一步检查: compare direct integrations with a multi-source routing layer such as QVeris using the same acceptance tests.用同一组验收测试比较直连集成与 QVeris 等多来源接入层。
Pattern:模式总结: Alpha Vantage is easy to evaluate when its data scope fits and request peaks are predictable. Alternatives become more relevant when the workload requires streaming, different licensing, broader fundamentals, brokerage execution, or unified access to multiple providers.当数据范围匹配且请求峰值可预测时,Alpha Vantage 易于评估;若需要流式数据、不同许可、更广基本面、券商执行或多源统一接入,则应比较替代方案。
Alpha Vantage Plan Decision FrameworkAlpha Vantage 套餐选择决策框架
Use this order: confirm the data scope, measure peak requests per minute, verify freshness and licensing, and only then compare monthly cost. Reversing that order can produce a cheap plan that cannot legally or technically serve the intended product.请按这一顺序决策:先确认数据范围,再测量每分钟峰值请求数,然后核实数据时效与授权,最后才比较月成本。顺序倒置,可能会选到价格便宜、却在法律或技术上无法支撑目标产品的套餐。
Quick takeaway:快速要点: The free service validates coverage. A premium Alpha Vantage plan fits sustained use of Alpha Vantage endpoints when its rate and rights are sufficient. A broader alternative evaluation is appropriate when the missing requirement is outside Alpha Vantage's data or delivery model.免费服务用于验证覆盖范围。持续使用且请求速率及权限满足要求时,可评估付费套餐;若缺失需求超出其数据或交付模式,应拓展替代方案评估。
Alpha Vantage vs QVeris: Side-by-Side ComparisonAlpha Vantage 与 QVeris:并排对比
| Dimension维度 | Alpha VantageAlpha Vantage | QVeris |
|---|---|---|
| Commercial model商业模式 | Fixed monthly or annual request-rate tiers固定月付或年付请求速率档位 | Usage-based capability execution; check current pricing能力执行按量计费;请查看当前价格 |
| Free evaluation免费评估 | Most datasets, up to 25 requests/day多数数据集每天最多 25 次请求 | Capability discovery and inspection能力发现与详情核对 |
| Capacity model容量模型 | Published 75–1,200 requests/min premium tiers官方公布的付费档位:每分钟 75–1,200 次 | Depends on the selected capability and provider path取决于所选能力与提供商路径 |
| Data scope数据范围 | Alpha Vantage financial-data catalogAlpha Vantage 金融数据目录 | Routes across multiple tools and providers跨多个工具与提供商进行路由 |
| Realtime rights实时数据权限 | Separate entitlement considerations apply仍需单独考虑数据授权 | Underlying provider rights still apply仍受底层提供商数据权利约束 |
| Interfaces | REST API and official MCP serverREST API 与官方 MCP 服务器 | Agent-oriented discovery, inspection, and calling interfaces面向 Agent 的发现、检查与调用接口 |
| Best fit适用场景 | Teams committed to Alpha Vantage coverage with predictable peaks已确定使用 Alpha Vantage 且峰值可预测的团队 | Agents that need provider choice or multi-source routing需要提供商选择或多数据源路由的 Agent |
What About the Alpha Vantage MCP Server?Alpha Vantage MCP 服务器适合哪些场景?
Alpha Vantage provides an Alpha Vantage 提供official MCP server官方 MCP Server for exposing its financial-data APIs to compatible AI clients. A premium API key can be attached to the MCP connection when higher API capacity or premium functions are required.,向兼容客户端暴露金融数据 API。需要更高调用容量或付费功能时,可按官方说明为 MCP 连接配置付费 API Key。
MCP improves tool discovery and invocation, but it does not remove the underlying API quota, market-data entitlement, or commercial-use terms. Production agents should still validate tool schemas, handle provider error payloads, log source timestamps, and cap retries.MCP 能改善工具发现与调用体验,但不会取消底层 API 配额、市场数据授权或商业使用条款。生产环境中的 Agent 仍应验证工具结构、处理提供商返回的错误信息、记录来源时间戳,并限制重试次数。
Choose the official Alpha Vantage MCP server选择 Alpha Vantage 官方 MCP 服务器 when Alpha Vantage's catalog is the intended source. Compare a multi-provider layer when the agent must discover and route across several data vendors without maintaining a separate MCP connection and normalization contract for each one.,适合已经确定以 Alpha Vantage 数据目录为主要来源的场景。如果 Agent 需要跨多个数据提供商发现并路由能力,又不想分别维护 MCP 连接和数据标准化规则,则应比较多提供商能力层。
For implementation details, read the 实现细节请参阅QVeris MCP Server documentationQVeris MCP Server 文档 and the exact 以及具体的Call a capability API reference能力调用 API 参考.。
Enter average daily calls, active days, and the measured one-minute peak. The peak selects the smallest published Alpha Vantage tier; daily volume determines whether the free allowance is viable.输入日均调用量、每月活跃天数以及实测一分钟峰值。峰值用于选择能够承载负载的最低 Alpha Vantage 档位;每日调用量则用于判断免费额度是否可行。
How to Evaluate an Alpha Vantage Alternative Safely如何稳妥评估 Alpha Vantage 替代方案
Do not begin by swapping endpoint URLs. First define an output contract and test both systems against the same symbols, timestamps, failures, and licensing requirements.不要一开始就替换端点 URL。应先定义输出契约,再用相同的标的、时间戳、失败场景和授权要求测试两套系统。
Include a liquid US stock, a less common symbol, a corporate action, an invalid symbol, a historical request, and the freshness level the product promises.测试集应包含流动性较高的美股、较少见的标的、一次公司行动、一个无效标的、一项历史数据请求,以及产品承诺的数据时效。
Map provider responses to stable fields such as symbol, value, currency, market timestamp, retrieved_at, source, adjustment status, and error class.将提供商响应映射到稳定字段,例如标的、数值、币种、市场时间戳、retrieved_at、来源、复权状态和错误类别。
Keep the existing integration active while comparing coverage, latency, freshness, rate-limit behavior, cost, and answer quality. Migrate only after the candidate passes the acceptance threshold.保留现有集成继续运行,同时对比覆盖范围、延迟、时效、限流行为、成本和答案质量。候选方案达到验收阈值后再迁移。
Python Pattern: Treat Limit Messages as Structured ErrorsPython 示例:把限额消息当作结构化错误处理
Alpha Vantage can return an informational or error object instead of the expected time-series fields. Validate the envelope before passing data to an agent, and do not let generic retries consume the remaining daily allowance.Alpha Vantage 可能返回提示或错误对象,而不是预期的时间序列字段。将数据交给 Agent 前应先检查响应的整体结构,也不要让通用重试逻辑耗尽当天剩余的免费额度。 Confirm endpoint-specific fields against the official 端点字段应以官方 Alpha Vantage API documentationAlpha Vantage API 文档.为准。
import requests
response = requests.get(
"https://www.alphavantage.co/query",
params={
"function": "GLOBAL_QUOTE",
"symbol": "IBM",
"apikey": api_key,
},
timeout=15,
)
response.raise_for_status()
payload = response.json()
if "Error Message" in payload:
raise ValueError(payload["Error Message"])
if "Note" in payload or "Information" in payload:
raise RuntimeError(payload.get("Note") or payload.get("Information"))
if "Global Quote" not in payload:
raise RuntimeError("Unexpected Alpha Vantage response schema")
Compare the Data Contract Before Rewriting the Agent重写 Agent 前先比较数据契约
After inspecting the provider and tool contract above, test the workflow with representative symbols, expected parameters, and bounded call behavior before changing the agent.检查上述 Provider 与工具契约后,使用代表性标的、预期参数和受限调用流程测试,再修改 Agent。
Test with the built-in prompt →使用内置 Prompt 在 QVeris 中测试 →FAQ: Alpha Vantage Cost and Alternatives常见问题:Alpha Vantage 成本与替代方案
About this Comparison关于此对比
Pricing checked:价格核对日期: March 5, 20262026 年 3 月 5 日
Methodology:方法: Monthly and annual plan options were checked against the Alpha Vantage premium checkout page. The 25-request daily free allowance, data-entitlement language, and commercial-use guidance were checked against official Alpha Vantage support and market-data policy pages. No provider performance ranking is presented without a reproducible benchmark.原页面按所标注日期核对了官方付费结算页、免费额度、数据授权与商业使用说明。这里不提供缺乏可复现基准测试的性能排名;购买前请重新核对当前条款。
Disclosure: QVeris is included as a multi-provider routing option. Product claims should be verified against current documentation and a workload-specific acceptance test.QVeris 作为多供应商路由选项列入比较;产品能力应以当前文档和具体工作负载的验收测试为准。
Update cadence:更新频率: Reviewed quarterly. Pricing and feature data refreshed every 90 days.每季度审查。定价与特性数据每 90 天刷新一次。

