DeepSeek Free API: Credits, Limits and Alternatives

DeepSeek provides API keys, but an API key is not the same as free usage. No universal free-credit amount or permanent free API tier was documented on the official pricing and balance pages when checked on 2026-07-30. Accounts can have “granted balance,” yet any amount and expiry must be verified inside the account.

The short answer

• Creating a key authenticates requests; it does not pay for them.
• The first-party API is priced per token.
• The balance API supports granted and topped-up balances.
• A granted-balance field is not proof of a current promotion for everyone.
• Local open-weight models and third-party free tiers are separate alternatives.

How official API access works

Create an account at platform.deepseek.com↗ — official external destination, generate a key and store it in a secret manager or environment variable. Requests use the base URL https://api.deepseek.com and currently documented model IDs such as deepseek-v4-flash and deepseek-v4-pro.

Calls consume available balance according to cached input, uncached input and output tokens. A 402 response means the account lacks sufficient balance. See the DeepSeek API setup guide for safe examples that never place a real key in source code.

Granted balance explained

DeepSeek’s balance endpoint returns total_balance, granted_balance and topped_up_balance. The pricing page says granted balance is used first when both types exist. This allows DeepSeek to assign promotional or other credited funds.

It does not state that every new account receives a specific amount. If an offer exists in your account, record the currency, amount, expiry and eligible models from the official dashboard. Never turn a temporary account-specific offer into a general claim.

Why old “free credit” claims persist

Promotions expire, regional onboarding differs and screenshots remain indexed after terms change. Affiliate pages may also use “free API” to describe a key that still requires payment, a third-party proxy, a local model or a trial that requests card details.

Check the page’s date and provider. A valid current claim should link to DeepSeek’s own terms or your account dashboard. If the primary source is silent, report the credit as unverified.

Local open-weight alternative

DeepSeek R1 and its distilled variants can be downloaded and run locally through compatible runtimes. This removes first-party API token billing and can work offline after the model is downloaded.

Local inference is not a free hosted API. Your machine supplies storage and compute, and you maintain the service. If you expose a local endpoint, bind it to localhost by default and add authentication before remote access. The Ollama guide gives current model tags and security checks.

Third-party free tiers

Some hosting providers, model hubs or developer platforms may offer limited free usage. Verify the exact checkpoint, quota, rate limit, data-retention policy, region and whether a payment method is required. Name the provider in any published claim.

Do not call a third-party allowance “DeepSeek free API” without qualification. The provider can change the model, add a system prompt or retain logs under its own policy. Free quotas may also exclude commercial use or high-volume automation.

Build a low-cost development workflow

Start with mocked responses and unit tests. Use a small paid balance for integration checks, cap output tokens and log token usage. Reuse stable prompt prefixes so DeepSeek’s automatic context cache can qualify matching input. Choose V4 Flash for suitable development work, then test whether Pro materially improves the production task.

Keep a monthly ceiling outside the model. Reject unexpected model IDs, excessive prompt size and recursive agent loops. A test environment should never share production credentials or unrestricted billing.

Avoid “free API key” scams

Never use a key posted publicly. It may be stolen, revoked, monitored or designed to capture your prompts. Do not install software that asks you to disable antivirus or export browser cookies. Do not send an account verification code to a person claiming to add credit.

If a key is exposed, revoke it at the official platform and rotate any application secret that copied it. Review usage for unfamiliar calls. The API errors guide explains how to distinguish authentication and balance failures.

Free chat is not a developer substitute

Automating the consumer chat through scraping or unofficial reverse engineering can violate terms, break without notice and bypass expected controls. Use the documented API for applications. Hosted DeepSeek Chat is appropriate for interactive personal use, not as a hidden production backend.

For small internal tasks, manually using free chat may be enough. For repeatable software, budget for the API or deploy a suitable open model legally and securely.

Conclusion

There is no verified universal DeepSeek free API tier in the current primary sources. Check your granted balance for account-specific credit, otherwise use paid first-party API access, a clearly labelled third-party free tier or local open weights. Keep those categories separate in both budgeting and editorial copy.