# Open API Pricing
> An independent research team that reads API pricing pages every week, writes down what they say, and publishes it with the source and the date.
Data last pulled 2026-10-10. Every price links its source page and verification date.

## Payments APIs
- [Stripe pricing](https://openapipricing.com/payments/stripe): Unlimited test-mode sandbox (no CC); pay-per-transaction live; billed per transaction (2.9% + $0.30)
- [Square pricing](https://openapipricing.com/payments/square): Free APIs/SDKs + sandbox; sellers pay per transaction; billed per transaction (2.6% + $0.15 in-person)
- [Razorpay pricing](https://openapipricing.com/payments/razorpay): Free test mode + no monthly fee; ~2% per transaction live; billed per transaction (~2% + gst)
- [Mollie pricing](https://openapipricing.com/payments/mollie): No setup/monthly fee; test mode free, pay per transaction; billed per transaction (1.8% + €0.25 eu cards)
- [Braintree pricing](https://openapipricing.com/payments/braintree): Free sandbox account; live rates not always published; billed per transaction (2.59% + $0.49)
- [Checkout.com pricing](https://openapipricing.com/payments/checkout-com): Self-serve sandbox test account; live pricing sales-quoted; billed custom (flat or interchange++)
- [Adyen pricing](https://openapipricing.com/payments/adyen): Test environment after account approval; no instant key; billed interchange++ (€0.11 + ic + ~0.6%)

## SMS & Messaging APIs
- [Twilio pricing](https://openapipricing.com/sms/twilio): $15.50 trial credit, no card; billed per sms segment
- [Vonage pricing](https://openapipricing.com/sms/vonage): Free developer credit, no card; billed per sms message
- [Telnyx pricing](https://openapipricing.com/sms/telnyx): $20 trial credit; billed per sms segment
- [Plivo pricing](https://openapipricing.com/sms/plivo): $10 free credit, no card; billed per sms segment
- [Sinch pricing](https://openapipricing.com/sms/sinch): Free sandbox + trial; billed per sms message
- [AWS End User Messaging (SNS) pricing](https://openapipricing.com/sms/aws-end-user-messaging-sns): 100 US SMS/mo free; billed per sms segment
- [Bird (MessageBird) pricing](https://openapipricing.com/sms/bird-messagebird): 5 SMS/day free, no card; billed per sms message
- [Bandwidth pricing](https://openapipricing.com/sms/bandwidth): Trial account on request; billed per sms message

## Identity Verification (KYC) APIs
- [Stripe Identity pricing](https://openapipricing.com/kyc/stripe-identity): First 50 verifications free; billed per verification (~$1.50 us)
- [Persona pricing](https://openapipricing.com/kyc/persona): 500 free gov-ID verifications/mo (Starter); billed per successful verification
- [Plaid Identity Verification pricing](https://openapipricing.com/kyc/plaid-identity-verification): First 200 API calls free (Limited Production); billed per-event (anti-fraud + data-source checks)
- [Sumsub pricing](https://openapipricing.com/kyc/sumsub): 14-day free trial (no permanent free tier); billed per verification (from ~$1.35)
- [Veriff pricing](https://openapipricing.com/kyc/veriff): No free tier; plans from $49/mo; billed tiered subscription + per-check
- [Onfido (Entrust) pricing](https://openapipricing.com/kyc/onfido-entrust): None; custom quote / sales demo; billed custom per-verification quote
- [Jumio pricing](https://openapipricing.com/kyc/jumio): None; custom quote only; billed custom per-transaction quote
- [Socure pricing](https://openapipricing.com/kyc/socure): None; commitment-based contract; billed per-transaction, volume-committed

## LLM APIs
- [OpenAI API pricing](https://openapipricing.com/llm/openai-api): $5 trial credit (after ID verification); opt-in data-sharing free tokens; billed per token
- [Anthropic Claude API pricing](https://openapipricing.com/llm/anthropic-claude-api): Trial credits on signup (no ongoing API free tier); billed per token
- [Google Gemini API pricing](https://openapipricing.com/llm/google-gemini-api): Free tier on Flash models: ~1,500 req/day, 250k TPM (Pro models paid-only since Apr 2026); billed per token
- [Mistral La Plateforme pricing](https://openapipricing.com/llm/mistral-la-plateforme): Free Experiment tier, rate-limited (~1B tokens/mo cap), all models; billed per token
- [xAI Grok API pricing](https://openapipricing.com/llm/xai-grok-api): Pay-as-you-go; periodic free-credit / data-sharing promos (no guaranteed standing free tier); billed per token
- [Groq pricing](https://openapipricing.com/llm/groq): Free dev tier, no card: 30 RPM / 6K TPM / 14,400 req/day; billed per token
- [DeepSeek API pricing](https://openapipricing.com/llm/deepseek-api): 5M free tokens on signup, valid 30 days, no card; billed per token

## Authentication & Identity APIs
- [Auth0 pricing](https://openapipricing.com/auth/auth0): 25k MAU (free plan); billed mau-based
- [Firebase Authentication pricing](https://openapipricing.com/auth/firebase-authentication): 50k MAU (basic email/social); billed mau-based (+ per-sms)
- [WorkOS pricing](https://openapipricing.com/auth/workos): Up to 1M MAU on AuthKit; $125/connection for SSO/SCIM; billed per connection / mau-based
- [Clerk pricing](https://openapipricing.com/auth/clerk): 50k MAU (monthly retained users); billed mau-based
- [Stytch pricing](https://openapipricing.com/auth/stytch): 10k MAU + 5 SSO/SCIM connections; billed usage-based (mau + connections)
- [Supabase Auth pricing](https://openapipricing.com/auth/supabase-auth): 50k MAU (Free plan); billed mau-based (+ platform fee)
- [Okta Customer Identity pricing](https://openapipricing.com/auth/okta-customer-identity): Dev trial only; production sales-gated; billed mau-based (enterprise minimums)
- [Frontegg pricing](https://openapipricing.com/auth/frontegg): 7.5k MAU (free tier); billed mau-based (+ feature add-ons)

## Feature Flag APIs
- [LaunchDarkly pricing](https://openapipricing.com/featureflags/launchdarkly): Developer plan: unlimited flags, 1 project, 2 environments, 1k MAU for experimentation; billed per-seat + mau-based
- [Statsig pricing](https://openapipricing.com/featureflags/statsig): Free: unlimited flag checks + 2M metered events/mo, up to ~1M MTUs; billed per metered event / mtu-based
- [PostHog pricing](https://openapipricing.com/featureflags/posthog): First 1M flag-eval requests/mo free, no credit card; billed per request (volume-tiered)
- [ConfigCat pricing](https://openapipricing.com/featureflags/configcat): Free: 10 flags, unlimited seats, unlimited flag reads; billed flat tier (config fetches)
- [Split pricing](https://openapipricing.com/featureflags/split): Free Developer tier: up to 10 seats, 50 feature flags; billed per-seat (usage-based at scale)
- [Flagsmith pricing](https://openapipricing.com/featureflags/flagsmith): Free cloud: 50k requests/mo, 1 seat, unlimited flags (self-host fully free); billed per request (api calls)
- [Unleash pricing](https://openapipricing.com/featureflags/unleash): OSS self-host free; cloud free trial only (OSS edition EOL 2026-12-31); billed per-seat (cloud) / oss self-host

## Image Generation APIs
- [OpenAI Images (gpt-image) pricing](https://openapipricing.com/imagegen/openai-images-gpt-image): None (pay-per-use; shared org credits); billed per token (~$0.02-0.25/image)
- [Google Imagen / Gemini Image pricing](https://openapipricing.com/imagegen/google-imagen-gemini-image): Free AI Studio key + limited free tier; billed per image / per token ($0.02-0.15)
- [fal.ai pricing](https://openapipricing.com/imagegen/fal-ai): $20 free credit on signup; billed per image / per megapixel ($0.003-0.04)
- [Replicate pricing](https://openapipricing.com/imagegen/replicate): None (limited playground try-for-free only); billed per image / gpu-second ($0.003-0.04)
- [Stability AI pricing](https://openapipricing.com/imagegen/stability-ai): 25 free credits (~$0.25) on signup; billed per image, credit-based ($0.03-0.08)
- [Black Forest Labs (FLUX) pricing](https://openapipricing.com/imagegen/black-forest-labs-flux): None (prepaid credits, 1 credit = $0.01); billed per megapixel, credit-based ($0.015-0.07/mp)
- [Ideogram pricing](https://openapipricing.com/imagegen/ideogram): None on API (web app: 10 credits/week); billed per image ($0.03-0.10)

## Maps & Geocoding APIs
- [Google Maps Platform pricing](https://openapipricing.com/maps/google-maps-platform): 10k free geocoding events/mo (Essentials SKUs); billed per 1k requests (per-sku)
- [Mapbox pricing](https://openapipricing.com/maps/mapbox): 50k web map loads/mo + free geocoding tier; billed per 1k req / mau-based
- [HERE pricing](https://openapipricing.com/maps/here): 30k req/mo (Base Plan, card required); billed per 1k req / transactions
- [TomTom pricing](https://openapipricing.com/maps/tomtom): 50k tile + 2.5k non-tile req/day; billed per 1k req (tile/non-tile)
- [Radar pricing](https://openapipricing.com/maps/radar): 100k req/mo (free plan); billed per 1k req
- [Foursquare Places pricing](https://openapipricing.com/maps/foursquare-places): $200/mo credit + 500 free Pro calls; billed per call (volume-based)
- [OpenCage pricing](https://openapipricing.com/maps/opencage): 2,500 req/day (free trial); billed per day req tier (subscription)
- [Geoapify pricing](https://openapipricing.com/maps/geoapify): 3k credits/day (free plan); billed per credit (per req)

## Translation APIs
- [Google Cloud Translation API pricing](https://openapipricing.com/translation/google-cloud-translation-api): 500k chars/mo (never expires); billed per million chars
- [Azure AI Translator pricing](https://openapipricing.com/translation/azure-ai-translator): 2M chars/mo (F0, recurring); billed per million chars
- [Amazon Translate pricing](https://openapipricing.com/translation/amazon-translate): 2M chars/mo for 12 months; billed per million chars
- [DeepL API pricing](https://openapipricing.com/translation/deepl-api): 500k chars/mo (API Free); billed per million chars
- [Lara Translate pricing](https://openapipricing.com/translation/lara-translate): 10k chars/mo (no card); billed per million chars
- [Lokalise pricing](https://openapipricing.com/translation/lokalise): 14-day trial, no permanent free tier; billed seat + plan tier
- [LILT pricing](https://openapipricing.com/translation/lilt): None (sales-gated); billed annual flat fee + connectors

## Text-to-Speech APIs
- [ElevenLabs pricing](https://openapipricing.com/tts/elevenlabs): 10k credits/mo (~10 min audio); billed per character (credits)
- [Google Cloud Text-to-Speech pricing](https://openapipricing.com/tts/google-cloud-text-to-speech): 1M (WaveNet) / 4M (Standard) chars/mo; billed per 1m characters
- [Amazon Polly pricing](https://openapipricing.com/tts/amazon-polly): 5M chars/mo, 12 months (Neural 1M); billed per 1m characters
- [OpenAI TTS pricing](https://openapipricing.com/tts/openai-tts): None (pay-as-you-go credits); billed per 1m characters / tokens
- [Azure AI Speech pricing](https://openapipricing.com/tts/azure-ai-speech): 500k chars/mo (F0 tier); billed per 1m characters
- [Cartesia pricing](https://openapipricing.com/tts/cartesia): 20k credits (~15-20 min audio); billed per character (credits)
- [Resemble AI pricing](https://openapipricing.com/tts/resemble-ai): $0 credits that never expire; billed per second of audio

## Document AI & OCR APIs
- [AWS Textract pricing](https://openapipricing.com/docai/aws-textract): 1,000 pages/mo for 3 months (DetectDocumentText only); billed per 1k pages
- [Google Document AI pricing](https://openapipricing.com/docai/google-document-ai): $300 GCP credit (90 days); billed per 1k pages
- [Azure AI Document Intelligence pricing](https://openapipricing.com/docai/azure-ai-document-intelligence): 500 pages/mo (F0, first 2 pages per request); billed per 1k pages
- [Mindee pricing](https://openapipricing.com/docai/mindee): 14-day free trial, no card; billed credit subscription tiers
- [Unstructured pricing](https://openapipricing.com/docai/unstructured): 1,000 pages/mo (hosted free API); billed per page (~$0.03)
- [Nanonets pricing](https://openapipricing.com/docai/nanonets): $200 starter credits; billed per-run blocks (~$0.30/page)
- [Reducto pricing](https://openapipricing.com/docai/reducto): Trial credits on signup; billed credit-based (~$0.015/page)

## Speech-to-Text APIs
- [Deepgram pricing](https://openapipricing.com/stt/deepgram): $200 credit, no card; billed per minute (usage-based)
- [AssemblyAI pricing](https://openapipricing.com/stt/assemblyai): $50 one-time credit; billed per minute (usage-based)
- [OpenAI Whisper / GPT-4o Transcribe pricing](https://openapipricing.com/stt/openai-whisper-gpt-4o-transcribe): None (pay-per-use); billed per minute (per-second billed)
- [Google Cloud Speech-to-Text pricing](https://openapipricing.com/stt/google-cloud-speech-to-text): 60 min/mo + $300 credit; billed per 15 seconds
- [Amazon Transcribe pricing](https://openapipricing.com/stt/amazon-transcribe): 60 min/mo, 12 months; billed per minute (volume-tiered)
- [Speechmatics pricing](https://openapipricing.com/stt/speechmatics): 8 hrs/mo (480 min); billed per minute (usage-based)
- [Gladia pricing](https://openapipricing.com/stt/gladia): 10 hrs/mo; billed per hour (usage-based)
- [Rev AI pricing](https://openapipricing.com/stt/rev-ai): 45 AI min/mo (English); billed per minute (usage-based)

## Vector Database APIs
- [Pinecone pricing](https://openapipricing.com/vectordb/pinecone): Starter: 2GB storage (~350K vectors), 1 index, no SLA; billed per read/write unit + storage
- [MongoDB Atlas Vector Search pricing](https://openapipricing.com/vectordb/mongodb-atlas-vector-search): M0 cluster: 512MB storage, shared; billed atlas cluster consumption-based
- [Zilliz Cloud (Milvus) pricing](https://openapipricing.com/vectordb/zilliz-cloud-milvus): 5GB storage + compute credits, permanent free tier; billed per compute-unit-hour + storage
- [Supabase Vector (pgvector) pricing](https://openapipricing.com/vectordb/supabase-vector-pgvector): Free project: 500MB DB, pgvector included; billed bundled in postgres plan (storage-based)
- [Qdrant Cloud pricing](https://openapipricing.com/vectordb/qdrant-cloud): 1GB RAM / 4GB disk cluster (~1M vectors), no card; billed resource-based (vcpu/ram/disk)
- [Weaviate Cloud pricing](https://openapipricing.com/vectordb/weaviate-cloud): 14-day sandbox only (auto-expires), no permanent free; billed usage-based (dimensions + storage)
- [Turbopuffer pricing](https://openapipricing.com/vectordb/turbopuffer): None ($64/mo Launch minimum); billed per gb queried/written + storage

## Push Notification APIs
- [OneSignal pricing](https://openapipricing.com/push/onesignal): Unlimited mobile push + 10k web subs; billed mau-based ($0.012/mau)
- [Firebase Cloud Messaging pricing](https://openapipricing.com/push/firebase-cloud-messaging): Unlimited (free); billed free (transport)
- [Amazon SNS pricing](https://openapipricing.com/push/amazon-sns): 1M mobile push/mo free; billed per million ($0.50/m push)
- [Knock pricing](https://openapipricing.com/push/knock): 10k messages/mo; billed per message (mau/message tiers)
- [Courier pricing](https://openapipricing.com/push/courier): 10k notifications/mo; billed per notification (usage-based)
- [Expo Push pricing](https://openapipricing.com/push/expo-push): Free (600 notif/sec/project); billed free (transport)
- [Airship pricing](https://openapipricing.com/push/airship): None (sales-gated); billed custom mau contract

## Transactional Email APIs
- [SendGrid pricing](https://openapipricing.com/email/sendgrid): 100 emails/day (after 60-day trial); billed per monthly email volume
- [Resend pricing](https://openapipricing.com/email/resend): 3,000 emails/mo (100/day); billed per monthly email volume
- [Postmark pricing](https://openapipricing.com/email/postmark): 100 emails/mo (never expires); billed per monthly email volume
- [Mailgun pricing](https://openapipricing.com/email/mailgun): 100 emails/day (forever); billed per monthly email volume
- [Amazon SES pricing](https://openapipricing.com/email/amazon-ses): 3,000 messages/mo (first 12 mo); billed pay-as-you-go per 1k emails
- [Loops pricing](https://openapipricing.com/email/loops): 4,000 transactional/mo (1k contacts); billed contact-based plan (transactional included)
- [SparkPost pricing](https://openapipricing.com/email/sparkpost): ~500 emails/mo (dev tier); billed volume tiers / custom enterprise

## Data Enrichment APIs
- [Crustdata pricing](https://openapipricing.com/enrichment/crustdata): Free trial credits + free-forever tier; billed per credit (additive)
- [People Data Labs pricing](https://openapipricing.com/enrichment/people-data-labs): 100 person/company lookups/mo (emails/phones obfuscated); billed per enrichment credit
- [Bright Data pricing](https://openapipricing.com/enrichment/bright-data): Free dataset samples; new-account credits (unconfirmed for datasets); billed per 1,000 records ($2.50 cpm), plans/commits
- [Apollo.io pricing](https://openapipricing.com/enrichment/apollo-io): 10k credits/mo (verified corporate domain) or 100/mo; billed per credit (email 1, phone 8)
- [Hunter pricing](https://openapipricing.com/enrichment/hunter): 50 credits/mo, API included; billed per credit (1 per email found, 0.5 per verification)
- [Explorium pricing](https://openapipricing.com/enrichment/explorium): 100 free credits, valid 90 days (not recurring); billed prepaid credit packages
- [Coresignal pricing](https://openapipricing.com/enrichment/coresignal): 7-day trial, 2,000 credits (no recurring free tier); billed monthly credit subscription (collect + search credits)
- [Lusha pricing](https://openapipricing.com/enrichment/lusha): 40 credits/mo (API key on every plan, 100 req/day cap); billed per credit (email 1, phone 5)
- [FullEnrich pricing](https://openapipricing.com/enrichment/fullenrich): 50 free trial credits, no card; billed per successful result (email 1, mobile 10)
- [Prospeo pricing](https://openapipricing.com/enrichment/prospeo): 100 credits/mo, API access included; billed per credit (email 0.5-1, mobile 10)
- [Fiber pricing](https://openapipricing.com/enrichment/fiber-ai): 7-day trial (card required per pricing page; cardless quickstart on homepage); billed credit-based ($0.02/credit) on monthly plans
- [FullContact pricing](https://openapipricing.com/enrichment/fullcontact): 100 API calls/mo (Developer plan); billed per matched api call
- [Seamless.AI pricing](https://openapipricing.com/enrichment/seamless-ai): Free plan (50 lifetime credits per third party; API eligibility unconfirmed); billed per credit; sales-led pro/enterprise
- [RocketReach pricing](https://openapipricing.com/enrichment/rocketreach): 5 lookups/mo, no API access; billed plan lookups plus overage credits
- [ZoomInfo pricing](https://openapipricing.com/enrichment/zoominfo): None; billed annual contract + bulk credits
- [Clay pricing](https://openapipricing.com/enrichment/clay): Free plan with limited credits (no card); billed data credits + actions
- [Cognism pricing](https://openapipricing.com/enrichment/cognism): None (sales-gated; no public free tier); billed annual platform contract + search tokens/credits
- [Clearbit (Breeze Intelligence) pricing](https://openapipricing.com/enrichment/clearbit-breeze-intelligence): None (standalone API sunset); billed hubspot plan + credit packs
- [ContactOut pricing](https://openapipricing.com/enrichment/contactout): 5 emails, 5 phones, 5 exports/day in the app; API not included; billed credits (search, email, phone) on a quoted api plan

## E-Signature APIs
- [DocuSign eSignature API pricing](https://openapipricing.com/esign/docusign-esignature-api): Free developer sandbox (demo env, no production envelopes); billed annual api plans / per-envelope
- [Dropbox Sign API pricing](https://openapipricing.com/esign/dropbox-sign-api): Free Test Mode sandbox + free plan (3 requests/30 days); billed per-request monthly tiers
- [PandaDoc API pricing](https://openapipricing.com/esign/pandadoc-api): Free unlimited sandbox key (10 req/min/endpoint, watermarked); billed per-document monthly plans
- [BoldSign API pricing](https://openapipricing.com/esign/boldsign-api): Free sandbox + Essential plan: 25 envelopes/mo; billed per-envelope / per-user monthly
- [Adobe Acrobat Sign API pricing](https://openapipricing.com/esign/adobe-acrobat-sign-api): Free developer sandbox; production requires enterprise agreement; billed custom enterprise licensing
- [SignWell API pricing](https://openapipricing.com/esign/signwell-api): First 25 API documents/mo free, then pay-as-you-go; billed per-document (pay-as-you-go)
- [Documenso pricing](https://openapipricing.com/esign/documenso): Self-host free (AGPL); cloud free plan 5 docs/mo; billed open-source / per-seat cloud

## Weather APIs
- [OpenWeather pricing](https://openapipricing.com/weather/openweather): 1M calls/mo (classic) + 1k One Call calls/day; billed per call / freemium tiers
- [Tomorrow.io pricing](https://openapipricing.com/weather/tomorrow-io): Free plan (rate-limited daily/hourly/per-sec); billed per api call / tiered
- [WeatherAPI.com pricing](https://openapipricing.com/weather/weatherapi-com): 1M calls/mo (3-day forecast); billed per call / monthly tiers
- [Open-Meteo pricing](https://openapipricing.com/weather/open-meteo): 10k calls/day, no key (non-commercial); billed free non-commercial / per-call commercial
- [Visual Crossing pricing](https://openapipricing.com/weather/visual-crossing): 1,000 records/day; billed per record ($0.0001)
- [AccuWeather pricing](https://openapipricing.com/weather/accuweather): 14-day trial, 500 req/day (Core); billed tiered packages (from $2-$25/mo)
- [Weatherbit pricing](https://openapipricing.com/weather/weatherbit): Always-free hobby tier + 1,500 req/day business trial; billed tiered subscriptions

## Unofficial APIs
- [Supergood pricing](https://openapipricing.com/unofficial-apis/supergood): Free to start; 'pay when you close' pilot for deal-blocking integrations; billed per integration / quoted (no public list price)
- [Truv pricing](https://openapipricing.com/unofficial-apis/truv): Free unlimited sandbox + 50 free live tasks in development; billed per successful connection (quoted)
- [superglue pricing](https://openapipricing.com/unofficial-apis/superglue): Open-source Docker build, self-hosted with no usage limits; billed per seat (€59-€99/mo) + enterprise
- [Argyle pricing](https://openapipricing.com/unofficial-apis/argyle): No public free tier or open sandbox; access is sales-gated; billed per verification (quoted)
- [Browser Use pricing](https://openapipricing.com/unofficial-apis/browser-use): Open-source library free; Cloud free tier with 3 concurrent sessions; billed open source + cloud subscription ($29-$999/mo)
- [Anon pricing](https://openapipricing.com/unofficial-apis/anon): No public free tier or published pricing; billed sales-led / quoted
- [Integuru pricing](https://openapipricing.com/unofficial-apis/integuru): Fully free and open source (AGPL-3.0); you pay only LLM costs; billed open source (agpl-3.0)